Average September Temperature in Geneva by Year

This page contains a list of the average monthly high and low temperatures in Geneva, Switzerland for the month of September each year between 1955 and 2023. It is based on NOAA data.

Change:

Month:

What Was the Hottest September Ever in Geneva?

2023 was the warmest September in the history of Geneva, Switzerland. The average daily high temperature was 25.4 °C, and the average low was 13.3 °C.

What Was the Coldest September Ever in Geneva?

1972 was the coolest September in the history of Geneva, Switzerland. The average daily high temperature was 17.5 °C, and the average low was 6.7 °C.

* click column headers to sort

Year	Rank	High (°C)	Low (°C)
2023	1	25.4	13.3
2022	28	21.3	11.0
2021	9	22.8	12.2
2020	8	23.2	12.1
2019	11	23.0	11.6
2018	4	24.9	11.6
2017	57	19.9	8.6
2015	48	20.0	9.9
2014	13	21.9	12.2
2013	24	21.4	11.2
2012	32	20.8	10.7
2011	10	23.1	11.9
2010	54	20.0	8.8
2009	18	21.8	11.9
2008	58	18.6	9.8
2007	49	20.1	9.7
2006	3	23.4	13.4
2005	12	22.3	12.0
2004	16	22.3	11.6
2003	29	21.2	10.7
2002	41	19.8	10.8
2001	64	17.8	8.4
2000	14	22.5	11.4
1999	2	23.4	13.7
1998	47	19.5	10.5
1997	15	22.3	11.5
1996	67	17.6	7.8
1995	62	18.0	9.1
1994	43	19.0	11.3
1993	59	18.1	10.1
1992	31	20.5	11.1
1991	6	23.6	12.5
1990	40	21.5	9.1
1989	27	21.6	10.8
1988	42	20.7	9.8
1987	7	24.3	11.8
1986	34	21.4	10.0
1985	17	24.0	9.7
1984	56	19.2	9.4
1983	25	22.3	10.2
1982	23	22.0	10.6
1981	36	20.5	10.6
1980	30	21.5	10.2
1979	39	20.8	9.8
1978	51	20.8	8.5
1977	60	19.5	8.6
1976	63	17.8	8.7
1975	22	21.3	11.5
1974	52	19.5	9.6
1973	33	21.8	9.7
1972	68	17.5	6.7
1971	55	20.1	8.5
1970	38	21.9	8.8
1969	37	20.7	10.1
1968	61	18.6	8.5
1967	53	19.7	9.4
1966	21	22.3	10.7
1965	66	17.4	8.4
1964	35	20.7	10.4
1963	46	20.0	10.1
1962	44	21.1	9.0
1961	5	24.7	11.7
1960	65	17.6	8.5
1959	20	22.1	11.0
1958	19	22.3	11.2
1957	50	20.7	9.0
1956	26	21.8	10.6
1955	45	19.9	10.2

Weather Station Details

Years	Station	Coordinates
1955–2024	Geneve Cointrin	location