What is the weather like in Helsinki vs Stockholm in September?

In September, Helsinki averages 16°C high / 10°C low with about 65 mm of rain; Stockholm averages 18°C high / 11°C low with about 43 mm.

Helsinki vs Stockholm in September

Stockholm is the better pick in September — 81 vs 77 on SeasonMap's comfort score. Stockholm is nice, a little rain, clean air, while Helsinki is cool, a little rain, clean air.

Helsinki vs Stockholm — September climate, side by side

	🇫🇮 Helsinki	🇸🇪 Stockholm
Comfort score	77/100 (B)	81/100 (A)
Feels-like high	15°C	17°C
Avg high / low	16° / 10°	18° / 11°
Rainfall	65 mm	43 mm
Rainy days	9	7
Humidity	82%	80%
Air quality (AQI)	37	37

Monthly climate normals (ERA5 reanalysis). Comfort scores are SeasonMap estimates.

Month by month

Helsinki vs Stockholm in September — FAQ

Is September better in Helsinki or Stockholm?: Stockholm is the better pick in September — 81 vs 77 on SeasonMap's comfort score. Stockholm is nice, a little rain, clean air, while Helsinki is cool, a little rain, clean air.
What is the weather like in Helsinki vs Stockholm in September?: In September, Helsinki averages 16°C high / 10°C low with about 65 mm of rain; Stockholm averages 18°C high / 11°C low with about 43 mm.