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Zürich September Weather

Averages and records for weather in Zürich, Switzerland in the month of September.

Typical Zürich September Weather 1991–2020
Average daily high	19.1 °C
Average daily low	10.7 °C
Average monthly precipitation	8.7 cm
Daily chance of precipitation	44.3%

Zürich September Weather Records 1901–2024
Highest temperature	32.5 °C	September 9, 1911
Lowest temperature	-0.3 °C	September 24, 1931
Highest daily low	18.4 °C	September 4, 2006
Lowest daily high	5.7 °C	September 25, 2002
Hottest average high temperature	25.4 °C	1947
Coldest average high temperature	14.5 °C	1912
Most daily precipitation	10.3 cm	September 21, 1968
Most monthly precipitation	23.5 cm	1940

Note: Daily averages are a moving average which includes 14 days before and after

Day	Average (°C)		Record (°C)
Day	High	Low	High	Low
September 1	21.8	12.7	31.5	6.0
September 2	21.6	12.5	31.3	5.7
September 3	21.3	12.4	32.5	5.0
September 4	21.1	12.2	32.5	3.6
September 5	20.9	12.1	32.2	5.4
September 6	20.7	11.9	32.1	5.1
September 7	20.6	11.8	31.7	4.3
September 8	20.4	11.7	32.0	3.8
September 9	20.2	11.5	32.5	4.8
September 10	20.0	11.4	29.5	4.7
September 11	19.8	11.2	31.3	4.3
September 12	19.6	11.1	32.4	3.8
September 13	19.5	10.9	32.0	4.0
September 14	19.3	10.9	31.8	2.5
September 15	19.2	10.8	31.1	3.0
September 16	19.1	10.7	30.9	2.5
September 17	19.0	10.6	29.9	2.0
September 18	18.8	10.5	30.5	2.3
September 19	18.7	10.4	31.9	3.3
September 20	18.5	10.3	30.0	0.0
September 21	18.4	10.2	28.0	3.0
September 22	18.2	10.1	28.2	2.3
September 23	18.0	10.0	27.9	1.0
September 24	17.8	9.9	26.9	-0.3
September 25	17.6	9.9	27.0	0.1
September 26	17.4	9.7	27.6	0.0
September 27	17.2	9.6	26.6	0.5
September 28	17.0	9.5	25.6	2.2
September 29	16.8	9.4	26.1	1.3
September 30	16.7	9.2	27.2	1.3

Weather Station Details

Years	Station	Coordinates
1901–2024	Zürich / Fluntern	location