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

In September, Rovaniemi averages 13°C high / 6°C low with about 63 mm of rain; Trondheim averages 16°C high / 8°C low with about 96 mm.

Rovaniemi vs Trondheim in September

Trondheim is the better pick in September — 75 vs 71 on SeasonMap's comfort score. Trondheim is cool, rainy, clean air, while Rovaniemi is cool, a little rain, clean air.

Rovaniemi vs Trondheim — September climate, side by side

	Rovaniemi	Trondheim
Comfort score	71/100 (B)	75/100 (B)
Feels-like high	11°C	15°C
Avg high / low	13° / 6°	16° / 8°
Rainfall	63 mm	96 mm
Rainy days	10	12
Humidity	85%	83%
Air quality (AQI)	29	27

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

Rovaniemi vs Trondheim in September — FAQ

Is September better in Rovaniemi or Trondheim?: Trondheim is the better pick in September — 75 vs 71 on SeasonMap's comfort score. Trondheim is cool, rainy, clean air, while Rovaniemi is cool, a little rain, clean air.
What is the weather like in Rovaniemi vs Trondheim in September?: In September, Rovaniemi averages 13°C high / 6°C low with about 63 mm of rain; Trondheim averages 16°C high / 8°C low with about 96 mm.