Tromsø vs Trondheim in September
Trondheim is the better pick in September — 75 vs 70 on SeasonMap's comfort score. Trondheim is cool, rainy, clean air, while Tromsø is cool, rainy, clean air.
Tromsø vs Trondheim — September climate, side by side
| Tromsø | Trondheim | |
|---|---|---|
| Comfort score | 70/100 (B) | 75/100 (B) |
| Feels-like high | 10°C | 15°C |
| Avg high / low | 12° / 6° | 16° / 8° |
| Rainfall | 93 mm | 96 mm |
| Rainy days | 14 | 12 |
| Humidity | 86% | 83% |
| Air quality (AQI) | 27 | 27 |
Monthly climate normals (ERA5 reanalysis). Comfort scores are SeasonMap estimates.
Tromsø vs Trondheim in September — FAQ
- Is September better in Tromsø or Trondheim?
- Trondheim is the better pick in September — 75 vs 70 on SeasonMap's comfort score. Trondheim is cool, rainy, clean air, while Tromsø is cool, rainy, clean air.
- What is the weather like in Tromsø vs Trondheim in September?
- In September, Tromsø averages 12°C high / 6°C low with about 93 mm of rain; Trondheim averages 16°C high / 8°C low with about 96 mm.