Eastern Finland weather in September 2025

The temperatures in Eastern Finland in September are quite cold with temperatures between 8°C and 13°C, warm clothes are a must.

You can expect about 3 to 8 days of rain in Eastern Finland during the month of September. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.

Our weather forecast can give you a great sense of what weather to expect in Eastern Finland in September 2025.

If you’re planning to visit Eastern Finland in the near future, we highly recommend that you review the 14 day weather forecast for Eastern Finland before you arrive.

Temperatures

13° / 8°

Rainy Days

Snowy Days

Dry Days

Rainfall

Sun Hours

7.4

Hrs

Sun	Mon	Tue	Wed	Thu	Fri	Sat
	1 14° /10°	2 16° /10°	3 13° /9°	4 14° /9°	5 15° /8°	6 16° /9°
7 15° /8°	8 16° /10°	9 17° /10°	10 18° /10°	11 16° /11°	12 17° /11°	13 14° /11°
14 12° /8°	15 12° /8°	16 12° /8°	17 12° /8°	18 11° /8°	19 13° /8°	20 12° /7°
21 10° /6°	22 12° /6°	23 10° /5°	24 13° /9°	25 12° /7°	26 13° /8°	27 12° /7°
28 13° /8°	29 11° /6°	30 9° /5°

Explore the weather in Eastern Finland in other months

Eastern Finland annual weather

Month	Temperatures	Rainy Days	Dry Days	Snowy Days	Rainfall	Weather	More details
January	-6° / -10°	3	3	26	70 mm	Awful	Eastern Finland in January
February	-5° / -10°	2	3	23	66 mm	Awful	Eastern Finland in February
March	-2° / -7°	5	5	22	58 mm	Awful	Eastern Finland in March
April	4° / -1°	6	12	13	51 mm	Awful	Eastern Finland in April
May	12° / 5°	6	23	2	64 mm	Bad	Eastern Finland in May
June	18° / 10°	6	24	0	79 mm	Good	Eastern Finland in June
July	21° / 13°	6	25	0	100 mm	Good	Eastern Finland in July
August	19° / 12°	6	25	0	91 mm	Good	Eastern Finland in August
September	13° / 8°	5	24	0	73 mm	Ok	Eastern Finland in September
October	6° / 3°	7	17	7	65 mm	Awful	Eastern Finland in October
November	2° / -1°	7	9	14	71 mm	Awful	Eastern Finland in November
December	-3° / -6°	5	3	24	80 mm	Awful	Eastern Finland in December