Weather Records on 29 September 1921

148 weather records were set or tied worldwide on 29 September 1921. Highest significance: Palermo, IT.

Key Facts for 29 September 1921

On 29 September 1921, 148 weather records were set or tied at long-record stations worldwide.
42 were record highs and 16 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 1 monthly and 147 daily.
Palermo set a daily record precipitation of 41.3 mm (1.6 in) on 29 September 1921.
Across 157 earlier years (1836 to 2026) the same calendar date averaged 451 records.

Record Map

148 stations

148 station records on 29 September 1921 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 29 September 1921: highest significance records shown on the map
Station	Country	Type	Value	Significance
Palermo	Italy	Record daily precipitation	41.3 mm (1.6 in)	50 of 100 (Notable)
Yackandandah	Australia	Record daily precipitation	41.7 mm (1.6 in)	47 of 100 (Notable)
Woods Point	Australia	Record daily precipitation	53.8 mm (2.1 in)	44 of 100 (Notable)
Kergunyah South	Australia	Record daily precipitation	39.1 mm (1.5 in)	37 of 100 (Notable)
Beechworth Composite	Australia	Record daily precipitation	33.3 mm (1.3 in)	31 of 100 (Routine)
Numurkah Post Office	Australia	Record daily precipitation	27.9 mm (1.1 in)	30 of 100 (Routine)
Bright Post Office	Australia	Record daily precipitation	49.0 mm (1.9 in)	29 of 100 (Routine)
Wangaratta	Australia	Record daily precipitation	31.0 mm (1.2 in)	26 of 100 (Routine)
Wien	Austria	Record low minimum temperature	1.0 C (33.8 F)	26 of 100 (Routine)
Goulburn River @ Shepparton	Australia	Record daily precipitation	29.2 mm (1.1 in)	23 of 100 (Routine)
Ottawa	Canada	Record high maximum temperature	28.9 C (84.0 F)	23 of 100 (Routine)
Hamilton	Canada	Record high maximum temperature	28.9 C (84.0 F)	22 of 100 (Routine)
Weissenburg	Germany	Record low minimum temperature	-1.0 C (30.2 F)	22 of 100 (Routine)
Tolmie (Langley)	Australia	Record daily precipitation	30.5 mm (1.2 in)	21 of 100 (Routine)
Southampton	Canada	Record high maximum temperature	30.0 C (86.0 F)	21 of 100 (Routine)
Concord	United States	Record high maximum temperature	27.8 C (82.0 F)	21 of 100 (Routine)
Philadelphia City	United States	Record high maximum temperature	31.7 C (89.1 F)	21 of 100 (Routine)
Ny City Cntrl Park	United States	Record high maximum temperature	30.0 C (86.0 F)	21 of 100 (Routine)
Moama	Australia	Record daily precipitation	18.5 mm (0.7 in)	20 of 100 (Routine)
Echuca Aerodrome	Australia	Record daily precipitation	17.3 mm (0.7 in)	20 of 100 (Routine)
Cape York Post Office	Australia	Record daily precipitation	4.6 mm (0.18 in)	20 of 100 (Routine)
Alexandra (Post Office)	Australia	Record daily precipitation	23.4 mm (0.9 in)	20 of 100 (Routine)
Violet Town	Australia	Record daily precipitation	24.9 mm (1.0 in)	20 of 100 (Routine)
Wahgunyah	Australia	Record daily precipitation	16.5 mm (0.6 in)	20 of 100 (Routine)
Boomanoomana	Australia	Record daily precipitation	19.3 mm (0.8 in)	20 of 100 (Routine)
Sfax El-Maou	Tunisia	Record low minimum temperature	10.0 C (50.0 F)	20 of 100 (Routine)
Alma	United States	Record high minimum temperature	19.4 C (66.9 F)	20 of 100 (Routine)
Pooncarie (Mulurulu Station)	Australia	Record daily precipitation	10.9 mm (0.4 in)	19 of 100 (Routine)
Willaura (Yarram Park)	Australia	Record daily precipitation	13.7 mm (0.5 in)	19 of 100 (Routine)
Hawkesdale (Post Office)	Australia	Record daily precipitation	11.4 mm (0.4 in)	19 of 100 (Routine)
Bamberg	Germany	Record low minimum temperature	-0.6 C (30.9 F)	19 of 100 (Routine)
Freiburg	Germany	Record low minimum temperature	1.6 C (34.9 F)	19 of 100 (Routine)
Blue Hill Coop	United States	Record high maximum temperature	28.9 C (84.0 F)	19 of 100 (Routine)
Yankalilla (Woodvale)	Australia	Record daily precipitation	15.7 mm (0.6 in)	18 of 100 (Routine)
Howlong Post Office	Australia	Record daily precipitation	20.8 mm (0.8 in)	18 of 100 (Routine)
Dookie Agricultural College	Australia	Record daily precipitation	21.8 mm (0.9 in)	18 of 100 (Routine)
Boola Boolka	Australia	Record daily precipitation	2.8 mm (0.11 in)	17 of 100 (Routine)
Marfield	Australia	Record daily precipitation	7.6 mm (0.30 in)	17 of 100 (Routine)
Burrabogie	Australia	Record daily precipitation	11.7 mm (0.5 in)	17 of 100 (Routine)
Longerenong	Australia	Record daily precipitation	7.6 mm (0.30 in)	17 of 100 (Routine)
Wartook Post Office	Australia	Record daily precipitation	14.2 mm (0.6 in)	17 of 100 (Routine)
Chiltern (Post Office)	Australia	Record daily precipitation	19.6 mm (0.8 in)	17 of 100 (Routine)
Salzburg	Austria	Record low minimum temperature	0.8 C (33.4 F)	17 of 100 (Routine)
Ottawa Cda	Canada	Record high maximum temperature	28.3 C (82.9 F)	17 of 100 (Routine)
Port Stanley	Canada	Record high minimum temperature	16.7 C (62.1 F)	17 of 100 (Routine)
Stratford	Canada	Record high maximum temperature	27.2 C (81.0 F)	17 of 100 (Routine)
Nurnberg	Germany	Record low minimum temperature	0.9 C (33.6 F)	17 of 100 (Routine)
Barrie	Canada	Record high maximum temperature	26.7 C (80.1 F)	16 of 100 (Routine)
Port Dover	Canada	Record high minimum temperature	17.2 C (63.0 F)	16 of 100 (Routine)
Vineland	United States	Record high maximum temperature	32.8 C (91.0 F)	16 of 100 (Routine)
Biskra	Algeria	Record low minimum temperature	15.0 C (59.0 F)	15 of 100 (Routine)
Beulah	Australia	Record daily precipitation	5.6 mm (0.22 in)	15 of 100 (Routine)
Dunkeld	Australia	Record daily precipitation	13.2 mm (0.5 in)	15 of 100 (Routine)
Montreal McGill	Canada	Record high maximum temperature	25.0 C (77.0 F)	15 of 100 (Routine)
Prescott 2 NNW	United States	Record high minimum temperature	23.3 C (73.9 F)	15 of 100 (Routine)
Setauket Strong	United States	Record high maximum temperature	27.8 C (82.0 F)	15 of 100 (Routine)
Southport Ridgeway Ave	Australia	Record daily precipitation	30.2 mm (1.2 in)	14 of 100 (Routine)
Kinchega	Australia	Record daily precipitation	5.1 mm (0.20 in)	14 of 100 (Routine)
Warracknabeal Post Office	Australia	Record daily precipitation	7.9 mm (0.31 in)	14 of 100 (Routine)
Torrumbarry	Australia	Record daily precipitation	9.1 mm (0.36 in)	14 of 100 (Routine)

Counts by Type and Timescale

148 records

Records set or tied on 29 September 1921 by type: Highest daily maximum 29, Lowest daily maximum 1, Highest daily minimum 13, Lowest daily minimum 15, Heaviest daily rainfall 90.

Records on 29 September 1921 by type
Record type	Records
Highest daily maximum	29
Lowest daily maximum	1
Highest daily minimum	13
Lowest daily minimum	15
Heaviest daily rainfall	90
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 29 September 1921 by timescale: all-time 0, monthly 1, daily 147.

How Much Records Were Beaten By

134 broken records

Margins by which the 134 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 38.1. Ties are not counted.

Top 20 by Significance

29 September 1921

Top 20 records on 29 September 1921 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
29 September 1921	Palermo, IT	daily rain	41.3 mm (1.6 in)	24.3 mm (1.0 in)	47 years	50 of 100 (Notable)
29 September 1921	Yackandandah, AU	daily rain	41.7 mm (1.6 in)	32.3 mm (1.3 in)	31 years	47 of 100 (Notable)
29 September 1921	Woods Point, AU	daily rain	53.8 mm (2.1 in)	38.1 mm (1.5 in)	31 years	44 of 100 (Notable)
29 September 1921	Kergunyah South, AU	daily rain	39.1 mm (1.5 in)	24.9 mm (1.0 in)	23 years	37 of 100 (Notable)
29 September 1921	Beechworth Composite, AU	daily rain	33.3 mm (1.3 in)	21.6 mm (0.9 in)	11 years	31 of 100 (Routine)
29 September 1921	Numurkah Post Office, AU	daily rain	27.9 mm (1.1 in)	18.0 mm (0.7 in)	4 years	30 of 100 (Routine)
29 September 1921	Bright Post Office, AU	daily rain	49.0 mm (1.9 in)	22.3 mm (0.9 in)	23 years	29 of 100 (Routine)
29 September 1921	Wangaratta, AU	daily rain	31.0 mm (1.2 in)	16.0 mm (0.6 in)	4 years	26 of 100 (Routine)
29 September 1921	Wien, AT	daily low min	1.0 C (33.8 F)	2.4 C (4.3 F)	43 years	26 of 100 (Routine)
29 September 1921	Goulburn River @ Shepparton, AU	daily rain	29.2 mm (1.1 in)	12.4 mm (0.5 in)	10 years	23 of 100 (Routine)
29 September 1921	Ottawa, CA	daily high max	28.9 C (84.0 F)	4.5 C (8.1 F)	35 years	23 of 100 (Routine)
29 September 1921	Hamilton, CA	daily high max	28.9 C (84.0 F)	2.8 C (5.0 F)	41 years	22 of 100 (Routine)
29 September 1921	Weissenburg, DE	daily low min	-1.0 C (30.2 F)	2.2 C (4.0 F)	40 years	22 of 100 (Routine)
29 September 1921	Tolmie (Langley), AU	daily rain	30.5 mm (1.2 in)	10.7 mm (0.4 in)	23 years	21 of 100 (Routine)
29 September 1921	Southampton, CA	daily high max	30.0 C (86.0 F)	2.8 C (5.0 F)	41 years	21 of 100 (Routine)
29 September 1921	Concord, US	daily high max	27.8 C (82.0 F)	1.1 C (2.0 F)	47 years	21 of 100 (Routine)
29 September 1921	Philadelphia City, US	daily high max	31.7 C (89.1 F)	2.8 C (5.0 F)	36 years	21 of 100 (Routine)
29 September 1921	Ny City Cntrl Park, US	daily high max	30.0 C (86.0 F)	2.2 C (4.0 F)	36 years	21 of 100 (Routine)
29 September 1921	Moama, AU	daily rain	18.5 mm (0.7 in)	13.2 mm (0.5 in)	18 years	20 of 100 (Routine)
29 September 1921	Echuca Aerodrome, AU	daily rain	17.3 mm (0.7 in)	10.4 mm (0.4 in)	23 years	20 of 100 (Routine)

Significance is a score from 0 to 100 combining margin, the age of the old record and the length of the station's record. How it is computed.

The Same Date in Other Years

1836 to 1921

Records set or tied on this calendar date in each year from 1836 to 1921. 1921 had 148 records.

Counts for years before the ledger starts come from the same station rules.

Records on 09-29 in each year
Year	Records
1836	1
1843	1
1854	2
1859	2
1861	1
1862	1
1864	1
1867	1
1868	1
1869	2
1871	1
1873	3
1874	1
1877	2
1881	1
1882	1
1883	2
1884	2
1885	4
1886	1
1887	1
1888	3
1889	3
1890	4
1892	4
1893	1
1894	4
1895	4
1897	5
1898	4
1899	9
1900	3
1901	7
1902	14
1903	11
1904	26
1905	11
1906	16
1907	26
1908	20
1909	10
1910	10
1911	64
1912	27
1913	20
1914	24
1915	43
1916	184
1917	19
1918	36
1919	38
1920	22
1921	148
1922	33
1923	89
1924	264
1925	166
1926	195
1927	236
1928	212
1929	243
1930	71
1931	204
1932	234
1933	353
1934	394
1935	188
1936	399
1937	276
1938	423
1939	407
1940	346
1941	511
1942	858
1943	390
1944	398
1945	899
1946	265
1947	467
1948	334
1949	398
1950	472
1951	475
1952	404
1953	1,079
1954	814
1955	375
1956	380
1957	636
1958	309
1959	1,066
1960	143
1961	447
1962	481
1963	996
1964	1,154
1965	689
1966	498
1967	1,250
1968	184
1969	279
1970	629
1971	797
1972	637
1973	769
1974	730
1975	365
1976	636
1977	800
1978	569
1979	581
1980	874
1981	747
1982	911
1983	920
1984	1,447
1985	1,789
1986	1,624
1987	641
1988	554
1989	710
1990	416
1991	747
1992	833
1993	620
1994	967
1995	1,033
1996	1,356
1997	683
1998	1,295
1999	1,440
2000	965
2001	846
2002	557
2003	924
2004	754
2005	1,163
2006	695
2007	929
2008	461
2009	700
2010	1,110
2011	1,572
2012	737
2013	623
2014	548
2015	724
2016	912
2017	433
2018	582
2019	2,193
2020	444
2021	790
2022	600
2023	866
2024	1,391
2025	516
2026	544

Download the Data

Data for records on 1921-09-29: CSV or JSON. Field meanings are on the data page.

Sources: 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)) Made with Natural Earth. Public domain map data. Borders are Natural Earth's de facto depiction. Data as of 2026-10-17 (17 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Margin	Records
0 to 5	102
5 to 10	19
10 to 15	5
15 to 20	2
20 to 25	4
25 to 30	0
30 to 35	1
35 to 40	1