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Västerås September Weather

Averages and records for weather in Västerås, Sweden in the month of September.

Typical Västerås September Weather 1991–2020
Average daily high	16.4 °C
Average daily low	8.3 °C
Average monthly precipitation	4.5 cm
Daily chance of precipitation	38.5%

Västerås September Weather Records 1858–2024
Highest temperature	26.9 °C	September 6, 1968
Lowest temperature	-7.0 °C	September 30, 2001
Highest daily low	18.4 °C	September 3, 1999
Lowest daily high	4.0 °C	September 27, 1915
Hottest average high temperature	19.4 °C	1934
Coldest average high temperature	12.6 °C	1931
Most daily precipitation	5.2 cm	September 16, 1972
Most monthly precipitation	19.2 cm	1983

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	19.0	10.4	26.1	1.4
September 2	18.8	10.3	26.3	1.5
September 3	18.6	10.1	24.5	1.0
September 4	18.4	9.9	24.8	1.0
September 5	18.3	9.7	25.4	1.9
September 6	18.1	9.6	26.9	0.7
September 7	17.9	9.4	26.0	1.7
September 8	17.7	9.3	25.0	-0.4
September 9	17.5	9.2	24.2	1.4
September 10	17.4	9.0	25.6	0.5
September 11	17.2	8.9	23.5	0.0
September 12	17.0	8.8	24.5	0.0
September 13	16.9	8.6	23.0	-0.5
September 14	16.7	8.5	23.0	0.3
September 15	16.5	8.4	22.5	0.0
September 16	16.3	8.2	24.0	-0.8
September 17	16.1	8.1	24.0	-3.3
September 18	15.9	7.9	22.5	-2.0
September 19	15.7	7.7	22.0	-1.0
September 20	15.5	7.6	23.0	-1.2
September 21	15.3	7.5	22.2	-2.5
September 22	15.1	7.4	22.0	-2.5
September 23	14.9	7.3	23.0	-1.5
September 24	14.7	7.2	24.0	-2.0
September 25	14.5	7.0	22.0	-3.5
September 26	14.3	6.9	21.3	-2.0
September 27	14.1	6.8	20.8	-2.6
September 28	13.9	6.6	20.3	-3.6
September 29	13.6	6.4	21.8	-3.9
September 30	13.5	6.3	21.1	-7.0

Weather Station Details

Years	Station	Coordinates
1858–2024	Vasteras-hasslo	location