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Vienna September Weather

Averages and records for weather in Vienna, Austria in the month of September.

Typical Vienna September Weather 1991–2020
Average daily high	21.0 °C
Average daily low	12.1 °C
Average monthly precipitation	6.4 cm
Daily chance of precipitation	38.3%

Vienna September Weather Records 1855–2024
Highest temperature	33.5 °C	September 17, 2015
Lowest temperature	-0.6 °C	September 26, 1875
Highest daily low	20.8 °C	September 10, 1865
Lowest daily high	7.0 °C	September 24, 1931
Hottest average high temperature	26.4 °C	2023
Coldest average high temperature	13.2 °C	1912
Most daily precipitation	8.5 cm	September 24, 1931
Most monthly precipitation	19.6 cm	2007

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	24.1	14.3	33.3	6.8
September 2	23.9	14.2	32.9	6.3
September 3	23.6	14.0	33.0	4.7
September 4	23.4	13.9	31.4	6.7
September 5	23.2	13.7	32.1	7.0
September 6	22.9	13.5	30.7	7.0
September 7	22.7	13.3	30.9	5.5
September 8	22.4	13.1	31.4	4.8
September 9	22.2	13.0	30.5	6.2
September 10	22.0	12.8	30.2	5.5
September 11	21.8	12.7	31.0	6.2
September 12	21.6	12.5	32.5	5.0
September 13	21.4	12.4	30.4	3.6
September 14	21.2	12.2	31.1	5.3
September 15	21.1	12.1	30.3	4.5
September 16	20.9	12.0	29.3	5.0
September 17	20.8	11.9	33.5	3.6
September 18	20.7	11.8	30.5	3.6
September 19	20.5	11.7	29.1	2.7
September 20	20.3	11.5	29.4	3.2
September 21	20.2	11.4	29.2	3.4
September 22	20.0	11.3	30.5	3.0
September 23	19.9	11.2	28.0	2.5
September 24	19.6	11.0	27.3	1.0
September 25	19.4	10.9	26.4	0.9
September 26	19.2	10.8	26.8	-0.6
September 27	19.0	10.6	27.2	1.0
September 28	18.7	10.4	27.8	0.8
September 29	18.5	10.2	27.6	-0.1
September 30	18.3	10.1	27.4	1.5

Weather Station Details

Years	Station	Coordinates
1855–2024	Wien	location