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Data as of 2026-10-17
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Built 2026-10-19 (19 October 2026)

Extreme rain in Mexico, 29 September to 6 October 2026

Extreme rain in Mexico, 29 September to 6 October 2026: 40 records at 17 stations, peak on 29 September 2026. Closed.

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

Key Facts

  • Extreme rain in Mexico, 29 September to 6 October 2026 set or tied 40 station records at 17 stations.
  • It ran from 29 September 2026 to 6 October 2026 (8 days) and its peak day was 29 September 2026.
  • Status: closed.
  • Morelia Mich. set a monthly record daily precipitation of 101.2 mm (4.0 in) on 29 September 2026 (provisional).
  • The busiest day was 29 September 2026 with 9 records.
  • The oldest broken record in the ranked list had stood for 73 years.

Footprint

29 September to 6 October 2026
Footprint of Extreme rain in Mexico, 29 September to 6 October 2026 The area covered by Extreme rain in Mexico, 29 September to 6 October 2026 is outlined, with 12 of the stations that set records marked, coloured by record type.
The area covered by Extreme rain in Mexico, 29 September to 6 October 2026 is outlined, with 12 of the stations that set records marked, coloured by record type. Made with Natural Earth.
Footprint of Extreme rain in Mexico, 29 September to 6 October 2026: stations that set records in the event
StationTypeValueDate
Morelia Mich.Record daily precipitation101.2 mm (4.0 in)2026-09-29
Tlaxcala de Xicontecatl (Dge)Record daily precipitation220.4 mm (8.7 in)2026-09-29
Toluca (Obs)Record daily precipitation205.2 mm (8.1 in)2026-09-30
ZamoraRecord daily precipitation62.7 mm (2.5 in)2026-09-29
Tulancingo Hgo.Record daily precipitation141.0 mm (5.6 in)2026-09-30
Jalapa Ver.Record daily precipitation277.4 mm (10.9 in)2026-09-29
Huajuapan de Leon (Dge)Record daily precipitation95.8 mm (3.8 in)2026-10-03
Mexico CityRecord daily precipitation138.8 mm (5.5 in)2026-09-29
Chilpancingo Ro.Record daily precipitation76.2 mm (3.0 in)2026-10-01
Zacatecas Zac. (la Bufa ZacRecord daily precipitation32.0 mm (1.3 in)2026-09-29
Rio Verde S.L.P.Record daily precipitation70.5 mm (2.8 in)2026-10-01
GuadalajaraRecord daily precipitation85.9 mm (3.4 in)2026-10-06
ManzanilloRecord daily precipitation138.5 mm (5.5 in)2026-09-30
Acapulco Gro.Record daily precipitation109.8 mm (4.3 in)2026-10-05

Records per Day

Peak day 9
Records per day during Extreme rain in Mexico, 29 September to 6 October 2026 Records set or tied each day from 29 September 2026 to 6 October 2026. The most in one day was 9 on 29 September 2026. 0 3 5 8 10 09-2909-3010-0110-0210-0310-0410-0510-06
Records set or tied each day from 29 September 2026 to 6 October 2026. The most in one day was 9 on 29 September 2026.
Records per day during Extreme rain in Mexico, 29 September to 6 October 2026
DateRecords
2026-09-299
2026-09-306
2026-10-017
2026-10-023
2026-10-034
2026-10-042
2026-10-057
2026-10-062

Top Records by Margin

Margin over the record replaced
Top records of Extreme rain in Mexico, 29 September to 6 October 2026 ranked by margin
Jalapa Ver., 09-29122.5 mm (4.8 in)
Toluca (Obs), 09-3087.0 mm (3.4 in)
Zamora, 09-3078.9 mm (3.1 in)
Huajuapan de Leon (Dge), 10-0369.9 mm (2.8 in)
Chilpancingo Ro., 10-0162.2 mm (2.4 in)
Tlaxcala de Xicontecatl (Dge), 09-2960.2 mm (2.4 in)
Tulancingo Hgo., 09-3054.9 mm (2.2 in)
Mexico City, 09-2939.5 mm (1.6 in)
Morelia Mich., 09-2938.2 mm (1.5 in)
Zamora, 09-2930.5 mm (1.2 in)
Zacatecas Zac. (la Bufa Zac, 09-2927.9 mm (1.1 in)
Guadalajara, 10-0624.2 mm (1.0 in)
Mexico City, 10-0522.7 mm (0.9 in)
Rio Verde S.L.P., 10-0122.5 mm (0.9 in)
Tlaxcala de Xicontecatl (Dge), 10-0520.6 mm (0.8 in)

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 Extreme rain in Mexico, 29 September to 6 October 2026 40 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 03875113150 Margin (mm) Years the old record stood
40 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 Extreme rain in Mexico, 29 September to 6 October 2026
Margin (mm)Years the old record stood
3838
600
870
5519
3173
1239
7029
7915
405
849
2127
621
2849
236
2336
247
1948
1664
261
2029
3612
660
867
171
940
1329
360
2427
128
1433
2728
637
249
1244
2920
244
827
132
128
08

Compared With Other Events

Station records per event
Station records in Extreme rain in Mexico, 29 September to 6 October 2026 compared with similar events
Extreme rain in United States and Mexico, 23 February to 15 March 20192,223 records
Extreme rain in United States, 3 to 19 January 20242,133 records
Extreme rain in Australia, 7 to 26 March 20212,099 records
Extreme rain in United States and Mexico, 29 September to 19 October 20181,970 records
Extreme rain in United States, 19 December 2022 to 13 January 20231,941 records
Extreme rain in Mexico, 29 September to 6 October 2026 (this event)40 records

Every Record Set

36 of 40
Every record set or tied during Extreme rain in Mexico, 29 September to 6 October 2026, in date order
DateStationRecordValueMarginYears stoodSignificance
2026-09-29Morelia Mich.Record daily precipitation (provisional)101.2 mm (4.0 in)38.2 mm (1.5 in)3866 of 100 (Major)
2026-09-29Tlaxcala de Xicontecatl (Dge)Record daily precipitation (provisional)220.4 mm (8.7 in)60.2 mm (2.4 in)066 of 100 (Major)
2026-09-29ZamoraRecord daily precipitation (provisional)62.7 mm (2.5 in)30.5 mm (1.2 in)7360 of 100 (Major)
2026-09-29Jalapa Ver.Record daily precipitation (provisional)277.4 mm (10.9 in)122.5 mm (4.8 in)957 of 100 (Notable)
2026-09-29Mexico CityRecord daily precipitation (provisional)138.8 mm (5.5 in)39.5 mm (1.6 in)548 of 100 (Notable)
2026-09-29Toluca (Obs)Record daily precipitation (provisional)118.2 mm (4.7 in)7.7 mm (0.30 in)4947 of 100 (Notable)
2026-09-29Zacatecas Zac. (la Bufa ZacRecord daily precipitation (provisional)32.0 mm (1.3 in)27.9 mm (1.1 in)4944 of 100 (Notable)
2026-09-29GuadalajaraRecord daily precipitation (provisional)35.5 mm (1.4 in)15.7 mm (0.6 in)6438 of 100 (Notable)
2026-09-30Toluca (Obs)Record daily precipitation (provisional)205.2 mm (8.1 in)87.0 mm (3.4 in)065 of 100 (Major)
2026-09-30Tulancingo Hgo.Record daily precipitation (provisional)141.0 mm (5.6 in)54.9 mm (2.2 in)1960 of 100 (Major)
2026-09-30ZamoraRecord daily precipitation (provisional)121.8 mm (4.8 in)78.9 mm (3.1 in)1552 of 100 (Notable)
2026-09-30ManzanilloRecord daily precipitation (provisional)138.5 mm (5.5 in)85.7 mm (3.4 in)731 of 100 (Routine)
2026-10-01Chilpancingo Ro.Record daily precipitation (provisional)76.2 mm (3.0 in)62.2 mm (2.4 in)145 of 100 (Notable)
2026-10-01Rio Verde S.L.P.Record daily precipitation (provisional)70.5 mm (2.8 in)22.5 mm (0.9 in)643 of 100 (Notable)
2026-10-01Mexico CityRecord daily precipitation (provisional)40.6 mm (1.6 in)18.5 mm (0.7 in)4839 of 100 (Notable)
2026-10-01Jalapa Ver.Record daily precipitation (provisional)60.3 mm (2.4 in)36.2 mm (1.4 in)1236 of 100 (Notable)
2026-10-01Toluca (Obs)Record daily precipitation (provisional)25.6 mm (1.0 in)9.1 mm (0.36 in)4028 of 100 (Routine)
2026-10-01GuadalajaraRecord daily precipitation (provisional)48.8 mm (1.9 in)2.8 mm (0.11 in)6027 of 100 (Routine)
2026-10-02Tlaxcala de Xicontecatl (Dge)Record daily precipitation (provisional)27.6 mm (1.1 in)1.7 mm (0.07 in)4921 of 100 (Routine)
2026-10-02Morelia Mich.Record daily precipitation (provisional)11.8 mm (0.5 in)0.6 mm (0.02 in)3214 of 100 (Routine)
2026-10-02Toluca (Obs)Record daily precipitation (provisional)18.0 mm (0.7 in)0.7 mm (0.03 in)2813 of 100 (Routine)
2026-10-03Huajuapan de Leon (Dge)Record daily precipitation (provisional)95.8 mm (3.8 in)69.9 mm (2.8 in)2953 of 100 (Notable)
2026-10-03Rio Verde S.L.P.Record daily precipitation (provisional)51.6 mm (2.0 in)26.5 mm (1.0 in)2843 of 100 (Notable)
2026-10-03ZamoraRecord daily precipitation (provisional)51.7 mm (2.0 in)1.7 mm (0.07 in)6138 of 100 (Notable)
2026-10-03Toluca (Obs)Record daily precipitation (provisional)45.2 mm (1.8 in)12.7 mm (0.5 in)2928 of 100 (Routine)
2026-10-03Tulancingo Hgo.Record daily precipitation (provisional)9.6 mm (0.38 in)5.5 mm (0.22 in)3720 of 100 (Routine)
2026-10-04Chilpancingo Ro.Record daily precipitation (provisional)30.5 mm (1.2 in)13.5 mm (0.5 in)3324 of 100 (Routine)
2026-10-04Acapulco Gro.Record daily precipitation (provisional)25.8 mm (1.0 in)0.1 mm (0.00 in)87 of 100 (Routine)
2026-10-05Tlaxcala de Xicontecatl (Dge)Record daily precipitation (provisional)85.9 mm (3.4 in)20.6 mm (0.8 in)2747 of 100 (Notable)
2026-10-05Mexico CityRecord daily precipitation (provisional)46.1 mm (1.8 in)22.7 mm (0.9 in)3641 of 100 (Notable)
2026-10-05Toluca (Obs)Record daily precipitation (provisional)38.3 mm (1.5 in)19.8 mm (0.8 in)2937 of 100 (Notable)
2026-10-05ZamoraRecord daily precipitation (provisional)31.0 mm (1.2 in)5.5 mm (0.22 in)6033 of 100 (Routine)
2026-10-05Acapulco Gro.Record daily precipitation (provisional)109.8 mm (4.3 in)11.8 mm (0.5 in)4421 of 100 (Routine)
2026-10-05Morelia Mich.Record daily precipitation (provisional)22.3 mm (0.9 in)12.4 mm (0.5 in)820 of 100 (Routine)
2026-10-06GuadalajaraRecord daily precipitation (provisional)85.9 mm (3.4 in)24.2 mm (1.0 in)740 of 100 (Notable)
2026-10-06ManzanilloRecord daily precipitation (provisional)50.9 mm (2.0 in)29.1 mm (1.1 in)2019 of 100 (Routine)

The daily ledgers keep a limited number of records per day, so this list has 36 of the 40 records the event counts. The counts above use the full total.

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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.