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

In September, Helsinki averages 16°C high / 10°C low with about 65 mm of rain; Rovaniemi averages 13°C high / 6°C low with about 63 mm.

Helsinki vs Rovaniemi in September

Helsinki is the better pick in September — 77 vs 71 on SeasonMap's comfort score. Helsinki is cool, a little rain, clean air, while Rovaniemi is cool, a little rain, clean air.

Helsinki vs Rovaniemi — September climate, side by side

	Helsinki	Rovaniemi
Comfort score	77/100 (B)	71/100 (B)
Feels-like high	15°C	11°C
Avg high / low	16° / 10°	13° / 6°
Rainfall	65 mm	63 mm
Rainy days	9	10
Humidity	82%	85%
Air quality (AQI)	37	29

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

Helsinki vs Rovaniemi in September — FAQ

Is September better in Helsinki or Rovaniemi?: Helsinki is the better pick in September — 77 vs 71 on SeasonMap's comfort score. Helsinki is cool, a little rain, clean air, while Rovaniemi is cool, a little rain, clean air.
What is the weather like in Helsinki vs Rovaniemi in September?: In September, Helsinki averages 16°C high / 10°C low with about 65 mm of rain; Rovaniemi averages 13°C high / 6°C low with about 63 mm.