Weather in Trondheim in September
Climate normals based on 10 years of historical data for Trondheim, Norway.
Average high
14°C
Average low
8°C
Rainfall
141 mm
16 rainy days
Sunshine
2.9h/day
Kelembapan
79%
How Hot Is Trondheim in September?
Sweater weather in Trondheim this September: 14°C highs, 8°C lows. The pattern barely shifts from August — just a 4°C difference in average high.
Sunshine Hours in September
Heavy overcast keeps sun limited in Trondheim: just 2.9h a day in September.
Does It Rain In Trondheim In September?
Plan for rain — Trondheim sees 141mm across 16 days in September.
Is Trondheim Humid In September?
Expect heavy, oppressive air in Trondheim — humidity peaks at 79% on average.
Wind In Trondheim In September
September brings gentle winds to Trondheim — averaging 15 kph.
Cloud Cover In Trondheim In September
Cloudy skies dominate Trondheim in September — averaging 67% cloud cover.
Cities With Similar Weather In September
Weather in Trondheim, month by month
| Month | High / Low | Hujan | |
|---|---|---|---|
| Cuaca pada Januari | -1°C / -5°C | 113mm | Details → |
| Cuaca pada Februari | 0°C / -5°C | 90mm | Details → |
| Cuaca pada Mac | 3°C / -3°C | 97mm | Details → |
| Cuaca pada April | 7°C / 0°C | 82mm | Details → |
| Cuaca pada Mei | 13°C / 5°C | 74mm | Details → |
| Cuaca pada Jun | 17°C / 9°C | 102mm | Details → |
| Cuaca pada Julai | 18°C / 11°C | 112mm | Details → |
| Cuaca pada Ogos | 18°C / 10°C | 132mm | Details → |
| Cuaca pada September | 14°C / 8°C | 141mm | |
| Cuaca pada Oktober | 8°C / 3°C | 149mm | Details → |
| Cuaca pada November | 3°C / -1°C | 101mm | Details → |
| Cuaca pada Disember | 0°C / -4°C | 129mm | Details → |