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St. Petersburg September Weather

Averages and records for weather in St. Petersburg, Russia in the month of September.

Typical St. Petersburg September Weather 1991–2020
Average daily high	15.8 °C
Average daily low	9.4 °C
Average monthly precipitation	5.7 cm
Daily chance of precipitation	44.0%

St. Petersburg September Weather Records 1881–2024
Highest temperature	30.4 °C	September 1, 1992
Lowest temperature	-3.1 °C	September 28, 1976
Highest daily low	18.0 °C	September 4, 1977
Lowest daily high	3.0 °C	September 25, 1912
Hottest average high temperature	19.3 °C	1938
Coldest average high temperature	9.9 °C	1894
Most daily precipitation	3.4 cm	September 16, 1912
Most monthly precipitation	17.8 cm	1912

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	18.8	11.8	30.4	3.2
September 2	18.6	11.6	28.3	3.4
September 3	18.4	11.4	28.0	2.7
September 4	18.2	11.3	27.2	2.6
September 5	18.0	11.1	29.0	2.3
September 6	17.8	10.9	27.5	1.6
September 7	17.6	10.8	27.0	1.5
September 8	17.4	10.6	26.4	1.2
September 9	17.2	10.4	26.1	2.8
September 10	17.0	10.3	27.1	1.4
September 11	16.8	10.1	26.7	2.0
September 12	16.6	9.9	25.5	1.2
September 13	16.4	9.7	23.7	0.8
September 14	16.2	9.6	24.7	1.9
September 15	16.0	9.4	26.6	-0.1
September 16	15.8	9.3	25.6	-0.9
September 17	15.6	9.2	23.3	-1.5
September 18	15.3	9.0	22.7	1.7
September 19	15.1	8.8	23.6	-0.7
September 20	14.9	8.7	23.7	-1.6
September 21	14.7	8.5	23.6	-2.4
September 22	14.5	8.3	21.9	-0.9
September 23	14.3	8.2	25.3	-1.5
September 24	14.0	8.0	23.6	-2.6
September 25	13.8	7.9	22.6	-2.5
September 26	13.6	7.7	23.0	-1.1
September 27	13.4	7.6	21.5	-1.8
September 28	13.2	7.4	21.7	-3.1
September 29	12.9	7.2	23.3	-1.8
September 30	12.7	7.0	22.7	-2.8

Weather Station Details

Years	Station	Coordinates
1881–2024	St. Petersburg	location