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

In September, Mariehamn averages 16°C high / 9°C low with about 54 mm of rain; Stockholm averages 18°C high / 11°C low with about 43 mm.

Mariehamn vs Stockholm in September

Stockholm is the better pick in September — 81 vs 73 on SeasonMap's comfort score. Stockholm is nice, a little rain, clean air, while Mariehamn is cool, a little rain, clean air.

Mariehamn vs Stockholm — September climate, side by side

	Mariehamn	🇸🇪 Stockholm
Comfort score	73/100 (B)	81/100 (A)
Feels-like high	14°C	17°C
Avg high / low	16° / 9°	18° / 11°
Rainfall	54 mm	43 mm
Rainy days	8	7
Humidity	79%	80%
Air quality (AQI)	38	37

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

Month by month

Mariehamn vs Stockholm in September — FAQ

Is September better in Mariehamn or Stockholm?: Stockholm is the better pick in September — 81 vs 73 on SeasonMap's comfort score. Stockholm is nice, a little rain, clean air, while Mariehamn is cool, a little rain, clean air.
What is the weather like in Mariehamn vs Stockholm in September?: In September, Mariehamn averages 16°C high / 9°C low with about 54 mm of rain; Stockholm averages 18°C high / 11°C low with about 43 mm.