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Rovaniemi September Weather

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

Typical Rovaniemi September Weather 1991–2020
Average daily high	11.7 °C
Average daily low	3.6 °C
Average monthly precipitation	5.5 cm
Daily chance of precipitation	50.8%

Rovaniemi September Weather Records 1959–2024
Highest temperature	23.3 °C	September 6, 1999
Lowest temperature	-11.0 °C	September 28, 1986
Highest daily low	14.3 °C	September 2, 2004
Lowest daily high	0.4 °C	September 25, 1986
Hottest average high temperature	14.2 °C	2023
Coldest average high temperature	7.6 °C	1986
Most daily precipitation	4.6 cm	September 19, 2023
Most monthly precipitation	13.3 cm	1975

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	15.1	5.9	19.7	-1.5
September 2	14.8	5.7	22.8	-3.7
September 3	14.6	5.5	21.2	-3.6
September 4	14.4	5.3	21.5	-4.5
September 5	14.2	5.2	20.7	-3.1
September 6	14.0	5.0	23.3	-5.9
September 7	13.8	4.9	21.0	-2.6
September 8	13.5	4.7	19.3	-4.8
September 9	13.3	4.6	21.6	-4.2
September 10	13.1	4.5	19.7	-5.1
September 11	12.8	4.3	20.5	-4.5
September 12	12.6	4.1	21.0	-4.4
September 13	12.4	3.9	18.5	-4.2
September 14	12.1	3.8	18.0	-6.1
September 15	11.9	3.7	18.4	-7.6
September 16	11.6	3.5	15.8	-8.3
September 17	11.4	3.4	17.9	-5.6
September 18	11.1	3.3	18.2	-5.5
September 19	10.8	3.1	17.0	-10.0
September 20	10.6	2.9	17.9	-6.8
September 21	10.3	2.8	17.7	-10.7
September 22	10.1	2.7	18.4	-7.0
September 23	9.9	2.5	17.2	-8.7
September 24	9.7	2.4	18.7	-6.0
September 25	9.4	2.3	16.9	-8.8
September 26	9.1	2.1	16.6	-10.2
September 27	8.9	1.9	14.6	-10.9
September 28	8.6	1.8	15.4	-11.0
September 29	8.3	1.6	14.7	-8.5
September 30	8.1	1.4	14.5	-9.6

Weather Station Details

Years	Station	Coordinates
1959–2024	Rovaniemi Apukka	location