St. Petersburg September 21 Weather Records

Daily averages and all-time records for weather in St. Petersburg, Russia for the date of September 21.
September 21 All-Time Records
1881–2024
Highest temperature 23.6 °C 1937
Lowest temperature -2.4 °C 1942
Lowest daily high 4.7 °C 1881
Highest daily low 15.4 °C 2018
Most precipitation 2.53 cm 1883
September 21 Average Weather
1991–2020 1
Average high 14.7 °C
Average low 8.5 °C
Chance precipitation 46.8%
St. Petersburg September 21 Weather by Year
Year High (°C) Low (°C) Precip. (cm)
2023 n/a n/a 0.08
2022 14.0 n/a 0.20
2021 10.4 n/a 0.00
2020 n/a n/a 0.10
2019 8.4 n/a 0.05
2018 21.8 15.4 0.00
2017 17.8 8.2 0.00
2016 12.2 9.5 0.00
2015 15.2 11.8 0.20
2014 19.5 9.3 0.00
2013 17.4 12.3 0.00
2012 15.0 9.3 0.29
2011 15.8 12.1 0.04
2010 15.5 8.4 0.00
2009 15.8 11.2 0.06
2008 14.5 7.8 0.00
2007 14.7 11.2 0.14
2006 16.8 12.3 0.00
2005 17.2 13.0 0.00
2004 16.8 11.9 0.42
2003 14.2 7.7 0.00
2002 9.2 1.4 0.00
2001 19.7 8.9 0.00
2000 12.0 5.0 0.00
1999 17.4 6.4 0.00
1998 15.3 9.3 0.00
1997 10.4 6.2 0.83
1996 9.9 2.2 0.00
1995 15.0 6.0 0.00
1994 15.6 10.4 0.37
1993 11.8 5.9 0.00
1992 13.2 8.6 1.12
1991 12.7 7.5 0.00
1990 12.6 8.4 0.23
1989 19.6 11.0 0.00
1988 13.0 6.8 0.07
1987 10.5 6.5 0.06
1986 10.4 6.8 0.28
1985 13.0 7.5 0.28
1984 13.9 8.8 0.08
1983 16.5 12.6 0.29
1982 21.9 11.1 0.00
1981 9.0 5.8 0.57
1980 14.1 7.3 0.00
1979 14.6 8.5 0.56
1978 8.4 5.1 0.48
1977 13.2 6.2 0.03
1976 13.8 2.6 0.00
1975 13.1 8.6 0.00
1974 13.6 8.5 0.14
1973 10.0 6.8 0.98
1972 13.7 3.9 0.03
1971 12.7 8.6 0.08
1970 12.3 8.0 0.32
1969 9.1 3.6 0.16
1968 14.5 9.4 0.06
1967 14.7 2.7 0.00
1966 11.3 5.1 0.77
1965 12.7 5.3 0.04
1964 11.4 5.4 0.00
1963 14.4 2.0 0.00
1962 10.5 7.2 0.00
1961 12.7 2.8 0.00
1960 15.9 3.5 0.00
1959 9.2 1.2 0.89
1958 17.2 9.4 0.00
1957 9.0 5.0 0.00
1956 11.7 7.2 0.00
1955 15.9 8.5 0.00
1954 16.0 5.9 0.18
1953 14.7 9.1 0.00
1952 9.7 6.6 1.14
1951 11.2 6.3 0.00
1950 16.6 11.2 0.04
1949 16.7 11.7 0.00
1948 10.4 4.7 0.11
1947 17.0 4.4 0.00
1946 12.7 10.3 0.00
1945 12.3 3.9 0.52
1944 16.6 7.1 0.00
1943 16.7 10.6 0.33
1942 9.4 -2.4 0.00
1941 15.0 10.0 0.00
1940 13.9 9.7 0.87
1939 17.1 12.0 0.00
1938 19.2 7.0 0.01
1937 23.6 14.7 0.00
1936 17.0 11.7 0.00
1935 13.3 11.6 0.21
1934 21.7 12.1 0.00
1933 15.4 10.0 0.50
1932 12.1 7.0 0.25
1931 10.6 7.6 0.09
1930 7.1 2.3 0.86
1929 17.9 7.4 0.21
1928 15.3 8.7 0.00
1927 10.1 6.6 0.85
1926 18.0 9.0 0.00
1925 11.9 1.6 0.02
1924 14.5 8.7 2.06
1923 14.0 9.7 0.14
1922 13.9 4.1 0.16
1921 12.8 4.5 0.00
1920 15.3 8.9 0.00
1919 15.0 8.5 0.04
1918 12.8 8.2 0.50
1917 13.3 7.9 1.70
1916 14.0 6.5 0.15
1915 7.0 3.8 0.00
1914 10.8 6.6 0.76
1913 13.1 5.1 0.00
1912 10.4 6.6 0.11
1911 17.1 4.1 0.00
1910 11.9 2.7 0.05
1909 22.2 10.3 0.00
1908 12.1 10.0 0.00
1907 12.0 2.9 0.00
1906 17.5 7.1 0.00
1905 9.5 6.8 1.07
1904 14.2 8.1 0.02
1903 14.7 6.4 0.00
1902 5.2 2.0 0.00
1901 15.1 12.0 0.00
1900 14.7 10.2 0.26
1899 15.5 10.0 0.06
1898 12.7 4.0 0.00
1897 15.7 8.0 0.25
1896 13.1 5.7 1.60
1895 10.4 5.1 0.00
1894 6.2 0.8 0.00
1893 11.4 5.0 0.06
1892 10.5 6.0 0.00
1891 13.4 7.9 0.18
1890 17.0 11.0 0.00
1889 10.6 7.2 0.71
1888 14.9 7.3 0.00
1887 12.6 7.3 0.00
1886 7.0 1.3 0.00
1885 13.7 7.2 0.47
1884 7.8 1.1 0.00
1883 10.5 4.5 2.53
1882 n/a 5.2 0.00
1881 4.7 1.0 0.00
What's the all-time high for St. Petersburg on 9/21?
For the date of Sep 21, the highest temperature ever reached in St. Petersburg history is 23.6 °C which happened in 1937.
Highest Temperatures in St. Petersburg on September 21
Rank Temperature Year
1 23.6 °C 1937
2 22.2 °C 1909
3 21.9 °C 1982
4 21.8 °C 2018
5 21.7 °C 1934
6 19.7 °C 2001
7 19.6 °C 1989
8 19.5 °C 2014
9 19.2 °C 1938
10 18.0 °C 1926
What's the all-time low for St. Petersburg on 9/21?
For the date of Sep 21, the lowest temperature ever reached in St. Petersburg history is -2.4 °C which happened in 1942.
Lowest Temperatures in St. Petersburg on September 21
Rank Temperature Year
1 -2.4 °C 1942
2 0.8 °C 1894
3 1.0 °C 1881
4 1.1 °C 1884
5 1.2 °C 1959
6 1.3 °C 1886
7 1.4 °C 2002
8 1.6 °C 1925
9 2.0 °C 1902
9 2.0 °C 1963
Lowest High Temperatures in St. Petersburg on September 21
Rank Temperature Year
1 4.7 °C 1881
2 5.2 °C 1902
3 6.2 °C 1894
4 7.0 °C 1886
4 7.0 °C 1915
6 7.1 °C 1930
7 7.8 °C 1884
8 8.4 °C 1978
8 8.4 °C 2019
10 9.0 °C 1957
10 9.0 °C 1981
What's the most it has ever rained in St. Petersburg on 9/21?
For the date of Sep 21, the most precipitation ever recorded in St. Petersburg history is 2.53 cm which happened in 1883.
All-Time Most Precipitation in St. Petersburg on September 21
Rank Precipitation Year
1 2.53 cm 1883
2 2.06 cm 1924
3 1.70 cm 1917
4 1.60 cm 1896
5 1.14 cm 1952
6 1.12 cm 1992
7 1.07 cm 1905
8 0.98 cm 1973
9 0.89 cm 1959
10 0.87 cm 1940
Weather Station Details
Years Station Coordinates
1881–2024 St. Petersburg location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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