Geneva September 18 Weather Records

Daily averages and all-time records for weather in Geneva, Switzerland for the date of September 18.
September 18 All-Time Records
1955–2024
Highest temperature 29.7 °C 2018
Lowest temperature 0.8 °C 1971
Lowest daily high 11.2 °C 1994
Highest daily low 16.1 °C 2014
Most precipitation 3.82 cm 1975
September 18 Average Weather
1991–2020 1
Average high 20.8 °C
Average low 10.7 °C
Chance precipitation 39.0%
Geneva September 18 Weather by Year
Year High (°C) Low (°C) Precip. (cm)
2023 19.8 15.9 3.56
2022 18.9 4.5 0.00
2021 23.2 11.2 2.06
2020 27.0 15.0 0.11
2019 20.5 15.1 0.00
2018 29.7 14.5 0.00
2017 15.8 8.4 0.10
2016 n/a n/a 0.25
2015 20.0 9.9 0.03
2014 23.4 16.1 0.00
2013 19.6 10.3 0.35
2012 21.8 10.0 0.24
2011 17.6 8.8 0.44
2010 17.4 8.0 0.00
2009 21.3 12.3 1.21
2008 16.3 9.9 0.99
2007 15.8 8.3 0.37
2006 20.6 13.1 0.02
2005 12.6 10.2 0.00
2004 24.8 8.3 0.00
2003 25.6 10.9 0.00
2002 24.8 10.0 0.00
2001 14.5 2.6 0.01
2000 22.0 8.8 0.00
1999 21.4 12.4 0.01
1998 18.5 5.3 0.00
1997 23.9 10.1 0.00
1996 16.1 7.2 0.48
1995 18.7 12.5 0.03
1994 11.2 3.8 0.00
1993 19.3 13.0 0.01
1992 23.7 13.4 0.00
1991 26.0 11.7 0.00
1990 22.6 9.7 0.00
1989 27.0 12.1 0.00
1988 18.8 10.8 0.00
1987 29.3 12.6 0.00
1986 21.4 13.1 0.00
1985 24.6 9.1 0.00
1984 13.5 10.9 1.05
1983 19.5 6.4 0.00
1982 26.2 13.9 0.00
1981 23.2 9.2 0.74
1980 24.8 10.0 0.00
1979 26.1 10.3 0.00
1978 25.5 10.6 0.00
1977 12.8 8.3 0.00
1976 17.4 4.5 0.00
1975 23.9 13.3 3.82
1974 20.7 13.7 0.00
1973 15.0 13.4 1.05
1972 12.4 7.3 0.66
1971 18.7 0.8 0.00
1970 20.0 7.2 0.00
1969 18.5 11.1 0.10
1968 18.9 5.2 0.00
1967 18.5 7.2 0.29
1966 16.3 12.2 0.00
1965 22.1 14.7 1.72
1964 19.0 11.0 0.00
1963 24.0 11.0 0.00
1962 12.6 6.0 0.08
1961 27.2 12.2 n/a
1960 13.9 6.1 n/a
1959 21.1 n/a n/a
1958 18.9 15.0 0.25
1957 27.2 5.0 n/a
1956 18.9 10.0 n/a
1955 18.9 6.1 n/a
What's the all-time high for Geneva on 9/18?
For the date of Sep 18, the highest temperature ever reached in Geneva history is 29.7 °C which happened in 2018.
Highest Temperatures in Geneva on September 18
Rank Temperature Year
1 29.7 °C 2018
2 29.3 °C 1987
3 27.2 °C 1961
3 27.2 °C 1957
5 27.0 °C 2020
5 27.0 °C 1989
7 26.2 °C 1982
8 26.1 °C 1979
9 26.0 °C 1991
10 25.6 °C 2003
What's the all-time low for Geneva on 9/18?
For the date of Sep 18, the lowest temperature ever reached in Geneva history is 0.8 °C which happened in 1971.
Lowest Temperatures in Geneva on September 18
Rank Temperature Year
1 0.8 °C 1971
2 2.6 °C 2001
3 3.8 °C 1994
4 4.5 °C 2022
4 4.5 °C 1976
6 5.0 °C 1957
7 5.2 °C 1968
8 5.3 °C 1998
9 6.0 °C 1962
10 6.1 °C 1955
10 6.1 °C 1960
Lowest High Temperatures in Geneva on September 18
Rank Temperature Year
1 11.2 °C 1994
2 12.4 °C 1972
3 12.6 °C 2005
3 12.6 °C 1962
5 12.8 °C 1977
6 13.5 °C 1984
7 13.9 °C 1960
8 14.5 °C 2001
9 15.0 °C 1973
10 15.8 °C 2007
10 15.8 °C 2017
What's the most it has ever rained in Geneva on 9/18?
For the date of Sep 18, the most precipitation ever recorded in Geneva history is 3.82 cm which happened in 1975.
All-Time Most Precipitation in Geneva on September 18
Rank Precipitation Year
1 3.82 cm 1975
2 3.56 cm 2023
3 2.06 cm 2021
4 1.72 cm 1965
5 1.21 cm 2009
6 1.05 cm 1973
6 1.05 cm 1984
8 0.99 cm 2008
9 0.74 cm 1981
10 0.66 cm 1972
Weather Station Details
Years Station Coordinates
1955–2024 Geneve Cointrin location