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Heat wave in India, 3 to 28 September 2025

Heat wave in India, 3 to 28 September 2025: 120 records at 13 stations, peak on 9 September 2025. Closed.

Data as of . Last revised (2026-10-17).

Key Facts

  • Heat wave in India, 3 to 28 September 2025 set or tied 120 station records at 13 stations.
  • It ran from 3 September 2025 to 28 September 2025 (26 days) and its peak day was 9 September 2025.
  • Status: closed.
  • Cuddalore set a daily record high minimum temperature of 28.6 C (83.5 F) on 4 September 2025.
  • The busiest day was 9 September 2025 with 11 records.
  • The oldest broken record in the ranked list had stood for 63 years.

Footprint

3 to 28 September 2025
Footprint of Heat wave in India, 3 to 28 September 2025 The area covered by Heat wave in India, 3 to 28 September 2025 is outlined, with 12 of the stations that set records marked, coloured by record type.
The area covered by Heat wave in India, 3 to 28 September 2025 is outlined, with 12 of the stations that set records marked, coloured by record type. Made with Natural Earth.
Footprint of Heat wave in India, 3 to 28 September 2025: stations that set records in the event
StationTypeValueDate
CuddaloreRecord high minimum temperature28.6 C (83.5 F)2025-09-04
MachilipatnamRecord high minimum temperature29.6 C (85.3 F)2025-09-08
ThiruvananthapuramRecord high minimum temperature26.2 C (79.2 F)2025-09-08
Pbo AnantapurRecord high minimum temperature25.8 C (78.4 F)2025-09-17
JagdalpurRecord high minimum temperature24.2 C (75.6 F)2025-09-05
RamgundamRecord high minimum temperature27.4 C (81.3 F)2025-09-06
GadagRecord high minimum temperature23.0 C (73.4 F)2025-09-09
BangaloreRecord high minimum temperature23.4 C (74.1 F)2025-09-09
KozhikodeRecord high minimum temperature26.6 C (79.9 F)2025-09-10
NelloreRecord high minimum temperature29.2 C (84.6 F)2025-09-09
KurnoolRecord high minimum temperature26.6 C (79.9 F)2025-09-18
ChitradurgaRecord high minimum temperature22.4 C (72.3 F)2025-09-20

Records per Day

Peak day 11
Records per day during Heat wave in India, 3 to 28 September 2025 Records set or tied each day from 3 September 2025 to 28 September 2025. The most in one day was 11 on 9 September 2025. 0 3 6 9 12 09-0309-0609-0909-1209-1509-1809-2109-2409-27
Records set or tied each day from 3 September 2025 to 28 September 2025. The most in one day was 11 on 9 September 2025.
Records per day during Heat wave in India, 3 to 28 September 2025
DateRecords
2025-09-034
2025-09-045
2025-09-055
2025-09-0610
2025-09-075
2025-09-0810
2025-09-0911
2025-09-104
2025-09-111
2025-09-122
2025-09-133
2025-09-146
2025-09-156
2025-09-165
2025-09-174
2025-09-185
2025-09-197
2025-09-208
2025-09-215
2025-09-225
2025-09-233
2025-09-241
2025-09-252
2025-09-261
2025-09-271
2025-09-281

Top Records by Margin

Margin over the record replaced
Top records of Heat wave in India, 3 to 28 September 2025 ranked by margin
Cuddalore, 09-041.9 C (3.4 F)
Cuddalore, 09-151.9 C (3.4 F)
Gadag, 09-091.3 C (2.3 F)
Jagdalpur, 09-181.3 C (2.3 F)
Cuddalore, 09-031.0 C (1.8 F)
Kozhikode, 09-101.0 C (1.8 F)
Machilipatnam, 09-080.9 C (1.6 F)
Bangalore, 09-090.9 C (1.6 F)
Jagdalpur, 09-190.9 C (1.6 F)
Pbo Anantapur, 09-170.8 C (1.4 F)
Cuddalore, 09-050.7 C (1.3 F)
Kurnool, 09-180.7 C (1.3 F)
Nellore, 09-090.7 C (1.3 F)
Ramgundam, 09-200.6 C (1.1 F)
Pbo Anantapur, 09-080.4 C (0.7 F)

Margin is how far the new value is beyond the record it replaced. Ties are not shown.

Margin Against Age of the Broken Record

Margin against age of the broken record in Heat wave in India, 3 to 28 September 2025 120 records plotted by how far they beat the old record (across) and how many years the old record had stood (up). Long standing records beaten by a wide margin sit in the top right. 0 20 40 60 80 0.00.51.01.52.0 Margin (C) Years the old record stood
120 records plotted by how far they beat the old record (across) and how many years the old record had stood (up). Long standing records beaten by a wide margin sit in the top right.
Margin against age of the broken record in Heat wave in India, 3 to 28 September 2025
Margin (C)Years the old record stood
1.924
1.926
0.851
0.922
0.233
0.237
1.327
0.363
1.09
0.90
0.447
0.644
1.024
1.316
0.927
0.736
0.738
0.738
0.444
0.248
0.440
0.638
0.538
0.920
0.539
0.114
0.42
0.40
0.35
0.40
0.628
1.24
0.624
0.32
0.140
1.20
0.816
0.138
0.528
0.819
0.20
0.138
1.10
0.716
0.812
0.520
1.012
1.010
0.134
1.06
0.235
0.524
0.526
0.98
0.424
0.96
0.426
0.424
0.227
0.224
0.78
0.224
0.128
0.224
0.512
0.76
0.82
0.124
0.412
0.73
0.82
0.219
0.68
0.410
0.319
0.510
0.126
0.512
0.92
0.67
0.214
0.54
0.60
0.58
0.58
0.58
0.64
0.62
0.44
0.210
0.50
0.44
0.50
0.210
0.48
0.54
0.412
0.54
0.38
0.212
0.43
0.40
0.36
0.28
0.38
0.44
0.38
0.24
0.30
0.24
0.30
0.30
0.43
0.28
0.17
0.32
0.16
0.10
0.20
0.10

Compared With Other Events

Station records per event
Station records in Heat wave in India, 3 to 28 September 2025 compared with similar events
Heat wave in United States and Mexico, 16 January to 14 February 20249,869 records
Heat wave in United States, 28 January to 24 February 20266,528 records
Heat wave in United States and Mexico, 24 May to 19 June 20205,047 records
Heat wave in United States and Mexico, 26 March to 17 April 20213,669 records
Heat wave in Germany and 49 other countries, 18 December 2021 to 15 January 20223,626 records
Heat wave in India, 3 to 28 September 2025 (this event)120 records

Every Record Set

80 of 120
Every record set or tied during Heat wave in India, 3 to 28 September 2025, in date order
DateStationRecordValueMarginYears stoodSignificance
2025-09-03CuddaloreRecord high minimum temperature28.8 C (83.8 F)1.0 C (1.8 F)926 of 100 (Routine)
2025-09-04CuddaloreRecord high minimum temperature28.6 C (83.5 F)1.9 C (3.4 F)2429 of 100 (Routine)
2025-09-05JagdalpurRecord high minimum temperature24.2 C (75.6 F)0.3 C (0.5 F)6327 of 100 (Routine)
2025-09-05CuddaloreRecord high minimum temperature27.6 C (81.7 F)0.7 C (1.3 F)3623 of 100 (Routine)
2025-09-06RamgundamRecord high minimum temperature27.4 C (81.3 F)0.2 C (0.4 F)3727 of 100 (Routine)
2025-09-08MachilipatnamRecord high minimum temperature29.6 C (85.3 F)0.9 C (1.6 F)2228 of 100 (Routine)
2025-09-08ThiruvananthapuramRecord high minimum temperature26.2 C (79.2 F)0.2 C (0.4 F)3328 of 100 (Routine)
2025-09-08Pbo AnantapurRecord high minimum temperature25.4 C (77.7 F)0.4 C (0.7 F)4723 of 100 (Routine)
2025-09-09GadagRecord high minimum temperature23.0 C (73.4 F)1.3 C (2.3 F)2727 of 100 (Routine)
2025-09-09BangaloreRecord high minimum temperature23.4 C (74.1 F)0.9 C (1.6 F)024 of 100 (Routine)
2025-09-09NelloreRecord high minimum temperature29.2 C (84.6 F)0.7 C (1.3 F)3822 of 100 (Routine)
2025-09-10KozhikodeRecord high minimum temperature26.6 C (79.9 F)1.0 C (1.8 F)2423 of 100 (Routine)
2025-09-13KozhikodeRecord high minimum temperature26.7 C (80.1 F)0.7 C (1.3 F)1617 of 100 (Routine)
2025-09-13ThiruvananthapuramRecord high minimum temperature25.6 C (78.1 F)0.3 C (0.5 F)09 of 100 (Routine)
2025-09-14KozhikodeRecord high minimum temperature26.8 C (80.2 F)0.8 C (1.4 F)1618 of 100 (Routine)
2025-09-14Pbo AnantapurRecord high minimum temperature25.4 C (77.7 F)0.1 C (0.2 F)3817 of 100 (Routine)
2025-09-14KurnoolRecord high minimum temperature26.0 C (78.8 F)0.5 C (0.9 F)2416 of 100 (Routine)
2025-09-14RamgundamRecord high minimum temperature26.4 C (79.5 F)0.4 C (0.7 F)38 of 100 (Routine)
2025-09-14CuddaloreRecord high minimum temperature27.4 C (81.3 F)0.2 C (0.4 F)07 of 100 (Routine)
2025-09-14ThiruvananthapuramRecord high minimum temperature (tie)26.2 C (79.2 F)tie04 of 100 (Routine)
2025-09-14NelloreRecord high minimum temperature (tie)29.0 C (84.2 F)tie01 of 100 (Routine)
2025-09-15CuddaloreRecord high minimum temperature28.2 C (82.8 F)1.9 C (3.4 F)2629 of 100 (Routine)
2025-09-15KozhikodeRecord high minimum temperature27.4 C (81.3 F)0.4 C (0.7 F)220 of 100 (Routine)
2025-09-15GadagRecord high minimum temperature22.6 C (72.7 F)0.4 C (0.7 F)1213 of 100 (Routine)
2025-09-15ThiruvananthapuramRecord high minimum temperature25.4 C (77.7 F)0.2 C (0.4 F)1011 of 100 (Routine)
2025-09-15BangaloreRecord high minimum temperature21.4 C (70.5 F)0.1 C (0.2 F)67 of 100 (Routine)
2025-09-16GadagRecord high minimum temperature22.4 C (72.3 F)0.2 C (0.4 F)2415 of 100 (Routine)
2025-09-16ChitradurgaRecord high minimum temperature22.4 C (72.3 F)0.2 C (0.4 F)2414 of 100 (Routine)
2025-09-16BangaloreRecord high minimum temperature22.0 C (71.6 F)0.8 C (1.4 F)213 of 100 (Routine)
2025-09-16ThiruvananthapuramRecord high minimum temperature25.6 C (78.1 F)0.6 C (1.1 F)012 of 100 (Routine)
2025-09-16KozhikodeRecord high minimum temperature26.2 C (79.2 F)0.5 C (0.9 F)011 of 100 (Routine)
2025-09-17Pbo AnantapurRecord high minimum temperature25.8 C (78.4 F)0.8 C (1.4 F)5128 of 100 (Routine)
2025-09-17KozhikodeRecord high minimum temperature26.8 C (80.2 F)1.1 C (2.0 F)017 of 100 (Routine)
2025-09-17MachilipatnamRecord high minimum temperature28.0 C (82.4 F)0.2 C (0.4 F)2715 of 100 (Routine)
2025-09-17ThiruvananthapuramRecord high minimum temperature25.4 C (77.7 F)0.4 C (0.7 F)010 of 100 (Routine)
2025-09-17RamgundamRecord high minimum temperature (tie)25.8 C (78.4 F)tie343 of 100 (Routine)
2025-09-18JagdalpurRecord high minimum temperature24.8 C (76.6 F)1.3 C (2.3 F)1623 of 100 (Routine)
2025-09-18KurnoolRecord high minimum temperature26.6 C (79.9 F)0.7 C (1.3 F)3822 of 100 (Routine)
2025-09-18KozhikodeRecord high minimum temperature26.6 C (79.9 F)0.9 C (1.6 F)2021 of 100 (Routine)
2025-09-18MachilipatnamRecord high minimum temperature28.4 C (83.1 F)0.5 C (0.9 F)2817 of 100 (Routine)
2025-09-18ChitradurgaRecord high minimum temperature22.4 C (72.3 F)0.1 C (0.2 F)3817 of 100 (Routine)
2025-09-18RamgundamRecord high minimum temperature (tie)27.4 C (81.3 F)tie03 of 100 (Routine)
2025-09-18ThiruvananthapuramRecord high minimum temperature (tie)25.4 C (77.7 F)tie41 of 100 (Routine)
2025-09-19JagdalpurRecord high minimum temperature24.8 C (76.6 F)0.9 C (1.6 F)2723 of 100 (Routine)
2025-09-19KozhikodeRecord high minimum temperature26.6 C (79.9 F)0.8 C (1.4 F)1217 of 100 (Routine)
2025-09-19RamgundamRecord high minimum temperature26.6 C (79.9 F)0.6 C (1.1 F)411 of 100 (Routine)
2025-09-19GadagRecord high minimum temperature22.0 C (71.6 F)0.2 C (0.4 F)1011 of 100 (Routine)
2025-09-19ChitradurgaRecord high minimum temperature22.0 C (71.6 F)0.2 C (0.4 F)1210 of 100 (Routine)
2025-09-19ThiruvananthapuramRecord high minimum temperature25.6 C (78.1 F)0.2 C (0.4 F)49 of 100 (Routine)
2025-09-20RamgundamRecord high minimum temperature26.6 C (79.9 F)0.6 C (1.1 F)4423 of 100 (Routine)
2025-09-20ChitradurgaRecord high minimum temperature22.4 C (72.3 F)0.4 C (0.7 F)4422 of 100 (Routine)
2025-09-20Pbo AnantapurRecord high minimum temperature25.2 C (77.4 F)0.4 C (0.7 F)4021 of 100 (Routine)
2025-09-20KozhikodeRecord high minimum temperature26.8 C (80.2 F)1.2 C (2.2 F)419 of 100 (Routine)
2025-09-20BangaloreRecord high minimum temperature21.2 C (70.2 F)0.1 C (0.2 F)2413 of 100 (Routine)
2025-09-20KurnoolRecord high minimum temperature26.0 C (78.8 F)0.5 C (0.9 F)1012 of 100 (Routine)
2025-09-20ThiruvananthapuramRecord high minimum temperature25.8 C (78.4 F)0.5 C (0.9 F)412 of 100 (Routine)
2025-09-20MachilipatnamRecord high maximum temperature36.8 C (98.2 F)0.4 C (0.7 F)1210 of 100 (Routine)
2025-09-21JagdalpurRecord high minimum temperature24.2 C (75.6 F)0.2 C (0.4 F)4822 of 100 (Routine)
2025-09-21ChitradurgaRecord high minimum temperature22.4 C (72.3 F)0.5 C (0.9 F)3821 of 100 (Routine)
2025-09-21ThiruvananthapuramRecord high minimum temperature26.0 C (78.8 F)0.9 C (1.6 F)616 of 100 (Routine)
2025-09-21NelloreRecord high minimum temperature29.4 C (84.9 F)0.9 C (1.6 F)212 of 100 (Routine)
2025-09-21CuddaloreRecord high minimum temperature27.0 C (80.6 F)0.3 C (0.5 F)28 of 100 (Routine)
2025-09-21RamgundamRecord high minimum temperature (tie)26.0 C (78.8 F)tie464 of 100 (Routine)
2025-09-21KozhikodeRecord high minimum temperature (tie)25.6 C (78.1 F)tie41 of 100 (Routine)
2025-09-22ChitradurgaRecord high minimum temperature22.0 C (71.6 F)0.1 C (0.2 F)4018 of 100 (Routine)
2025-09-22NelloreRecord high minimum temperature28.6 C (83.5 F)0.5 C (0.9 F)2616 of 100 (Routine)
2025-09-22ThiruvananthapuramRecord high minimum temperature25.6 C (78.1 F)0.5 C (0.9 F)1214 of 100 (Routine)
2025-09-22KurnoolRecord high minimum temperature25.4 C (77.7 F)0.1 C (0.2 F)2612 of 100 (Routine)
2025-09-23CuddaloreRecord high minimum temperature27.6 C (81.7 F)1.0 C (1.8 F)1017 of 100 (Routine)
2025-09-23KozhikodeRecord high minimum temperature25.8 C (78.4 F)0.4 C (0.7 F)411 of 100 (Routine)
2025-09-23NelloreRecord high minimum temperature28.4 C (83.1 F)0.3 C (0.5 F)810 of 100 (Routine)
2025-09-24CuddaloreRecord high minimum temperature27.2 C (81.0 F)0.5 C (0.9 F)812 of 100 (Routine)
2025-09-24KozhikodeRecord high minimum temperature (tie)26.0 C (78.8 F)tie82 of 100 (Routine)
2025-09-25NelloreRecord high minimum temperature29.0 C (84.2 F)0.5 C (0.9 F)1212 of 100 (Routine)
2025-09-25BangaloreRecord high minimum temperature21.6 C (70.9 F)0.1 C (0.2 F)06 of 100 (Routine)
2025-09-26CuddaloreRecord high minimum temperature27.6 C (81.7 F)0.5 C (0.9 F)812 of 100 (Routine)
2025-09-27KozhikodeRecord high minimum temperature25.4 C (77.7 F)0.1 C (0.2 F)07 of 100 (Routine)
2025-09-28CuddaloreRecord high minimum temperature27.4 C (81.3 F)1.0 C (1.8 F)1217 of 100 (Routine)
2025-09-28ChitradurgaRecord high minimum temperature (tie)21.8 C (71.2 F)tie343 of 100 (Routine)
2025-09-28KozhikodeRecord high minimum temperature (tie)26.4 C (79.5 F)tie122 of 100 (Routine)

The daily ledgers keep a limited number of records per day, so this list has 80 of the 120 records the event counts. The counts above use the full total.

Download the Data

Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-17. Events are found by this site from station records and are not official designations. Records are provisional until reprocessed.