Geneva September 21 Weather Records

Daily averages and all-time records for weather in Geneva, Switzerland for the date of September 21.
September 21 All-Time Records
1955–2024
Highest temperature 28.9 °C 2018
Lowest temperature 2.4 °C 1972
Lowest daily high 11.1 °C 1960
Highest daily low 15.7 °C 2020
Most precipitation 3.86 cm 1958
September 21 Average Weather
1991–2020 1
Average high 20.3 °C
Average low 10.3 °C
Chance precipitation 41.4%
Geneva September 21 Weather by Year
Year High (°C) Low (°C) Precip. (cm)
2023 25.8 15.1 2.45
2022 17.6 6.8 0.00
2021 19.8 10.6 0.00
2020 23.4 15.7 0.19
2019 22.4 8.9 0.00
2018 28.9 12.5 0.05
2017 18.0 4.0 0.00
2016 n/a n/a 0.00
2015 18.6 6.9 0.00
2014 23.0 14.9 0.28
2013 20.2 7.9 0.00
2012 24.2 6.8 0.24
2011 19.8 6.9 0.00
2010 21.7 8.1 0.00
2009 23.1 14.0 0.00
2008 12.5 7.4 0.00
2007 22.2 7.1 0.00
2006 23.7 10.7 0.00
2005 17.5 5.3 0.00
2004 21.2 9.3 0.00
2003 25.9 11.7 0.00
2002 20.1 13.5 0.01
2001 21.7 11.3 0.00
2000 18.4 9.3 0.00
1999 22.3 9.9 0.26
1998 15.8 6.9 0.00
1997 20.2 13.2 0.00
1996 14.7 11.1 0.50
1995 16.5 11.8 0.00
1994 15.2 11.0 0.00
1993 22.1 14.2 0.00
1992 21.6 12.1 0.00
1991 27.7 14.1 0.00
1990 17.4 12.8 0.37
1989 27.1 11.8 0.00
1988 20.0 7.4 0.00
1987 26.8 10.3 0.00
1986 19.5 12.3 0.00
1985 26.6 11.4 0.00
1984 18.6 8.9 0.39
1983 24.8 8.0 0.01
1982 24.9 13.7 0.25
1981 26.5 14.1 0.00
1980 20.3 15.1 1.74
1979 16.5 10.0 0.28
1978 18.6 3.6 0.00
1977 13.1 3.6 0.00
1976 16.8 8.0 0.00
1975 20.6 9.6 0.00
1974 18.9 9.4 0.00
1973 17.7 12.4 0.52
1972 17.2 2.4 0.00
1971 21.9 6.3 0.00
1970 23.8 8.5 0.00
1969 19.6 6.2 0.00
1968 16.8 12.6 3.40
1967 25.0 11.5 0.58
1966 19.4 9.2 0.00
1965 17.1 7.8 0.00
1964 14.1 8.2 0.02
1963 21.2 12.5 0.03
1962 16.7 2.9 0.00
1961 26.1 11.1 n/a
1960 11.1 7.2 0.23
1959 21.1 11.1 n/a
1958 22.2 n/a 3.86
1957 22.8 11.1 n/a
1956 23.9 11.1 n/a
1955 22.8 8.9 n/a
What's the all-time high for Geneva on 9/21?
For the date of Sep 21, the highest temperature ever reached in Geneva history is 28.9 °C which happened in 2018.
Highest Temperatures in Geneva on September 21
Rank Temperature Year
1 28.9 °C 2018
2 27.7 °C 1991
3 27.1 °C 1989
4 26.8 °C 1987
5 26.6 °C 1985
6 26.5 °C 1981
7 26.1 °C 1961
8 25.9 °C 2003
9 25.8 °C 2023
10 25.0 °C 1967
What's the all-time low for Geneva on 9/21?
For the date of Sep 21, the lowest temperature ever reached in Geneva history is 2.4 °C which happened in 1972.
Lowest Temperatures in Geneva on September 21
Rank Temperature Year
1 2.4 °C 1972
2 2.9 °C 1962
3 3.6 °C 1977
3 3.6 °C 1978
5 4.0 °C 2017
6 5.3 °C 2005
7 6.2 °C 1969
8 6.3 °C 1971
9 6.8 °C 2022
9 6.8 °C 2012
Lowest High Temperatures in Geneva on September 21
Rank Temperature Year
1 11.1 °C 1960
2 12.5 °C 2008
3 13.1 °C 1977
4 14.1 °C 1964
5 14.7 °C 1996
6 15.2 °C 1994
7 15.8 °C 1998
8 16.5 °C 1979
8 16.5 °C 1995
10 16.7 °C 1962
What's the most it has ever rained in Geneva on 9/21?
For the date of Sep 21, the most precipitation ever recorded in Geneva history is 3.86 cm which happened in 1958.
All-Time Most Precipitation in Geneva on September 21
Rank Precipitation Year
1 3.86 cm 1958
2 3.40 cm 1968
3 2.45 cm 2023
4 1.74 cm 1980
5 0.58 cm 1967
6 0.52 cm 1973
7 0.50 cm 1996
8 0.39 cm 1984
9 0.37 cm 1990
10 0.28 cm 1979
10 0.28 cm 2014
Weather Station Details
Years Station Coordinates
1955–2024 Geneve Cointrin location