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Kaarina September Weather

Averages and records for weather in Kaarina, Finland in the month of September.

Typical Kaarina September Weather 1991–2020
Average daily high	16.1 °C
Average daily low	7.2 °C
Average monthly precipitation	5.6 cm
Daily chance of precipitation	43.3%

Kaarina September Weather Records 1959–2024
Highest temperature	26.2 °C	September 6, 1968
Lowest temperature	-8.0 °C	September 30, 1976
Highest daily low	17.0 °C	September 2, 1968
Lowest daily high	4.1 °C	September 26, 1973
Hottest average high temperature	18.8 °C	2023
Coldest average high temperature	10.9 °C	1973
Most daily precipitation	3.4 cm	September 9, 2008
Most monthly precipitation	12.2 cm	1997

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	9.4	24.6	-0.8
September 2	18.6	9.2	23.6	-1.1
September 3	18.4	9.1	25.3	-2.2
September 4	18.2	8.9	24.9	1.6
September 5	18.0	8.7	25.9	0.0
September 6	17.8	8.5	26.2	-0.6
September 7	17.6	8.4	25.6	0.6
September 8	17.5	8.2	23.9	-0.6
September 9	17.3	8.1	24.4	-0.5
September 10	17.1	7.9	24.0	-1.2
September 11	16.9	7.8	21.1	-1.2
September 12	16.7	7.6	21.6	-1.0
September 13	16.6	7.5	22.5	-0.9
September 14	16.4	7.4	22.5	-2.1
September 15	16.2	7.3	20.9	-1.7
September 16	16.0	7.1	19.9	-1.8
September 17	15.8	7.0	21.6	-2.9
September 18	15.6	6.8	21.1	-2.5
September 19	15.4	6.6	22.1	-1.6
September 20	15.2	6.4	19.7	-5.0
September 21	15.0	6.3	20.2	-4.7
September 22	14.8	6.2	21.6	-2.8
September 23	14.6	6.1	20.6	-2.3
September 24	14.4	6.0	20.5	-2.1
September 25	14.2	5.9	19.3	-3.0
September 26	14.0	5.7	22.5	-3.9
September 27	13.7	5.6	22.8	-3.8
September 28	13.5	5.4	19.3	-6.7
September 29	13.3	5.3	18.1	-6.0
September 30	13.1	5.1	21.7	-8.0

Weather Station Details

Years	Station	Coordinates
1959–2024	Kaarina Yltoinen	location