SeasonMapNorway in September
September is Norway's 6th-best month (rank 6 of 12): its 11 destinations average 60/100, led by Geiranger at 77 — 15°C and 19 rainy days — while Tromsø is cooler at 9°C and scores 67.
#6 of 12 months for Norway · 11 destinations · updated September 2026 · climate normals from ERA5 reanalysis
Where in Norway in September
| # | Place | Type | Feels-like high | Rain | Comfort | At its best |
|---|---|---|---|---|---|---|
| 1 | Geiranger | Trekking hub | 15°C | 172 mm · 19 days | 77 tier B | — |
| 2 | Oslo | City | 15°C | 102 mm · 11 days | 74 tier B | — |
| 3 | Trondheim | City | 14°C | 121 mm · 18 days | 71 tier B | — |
| 4 | Stavanger | City | 13°C | 174 mm · 16 days | 69 tier C | — |
| 5 | Tromsø | City | 9°C | 141 mm · 20 days | 67 tier C | — |
| 6 | Bodø | City | 12°C | 168 mm · 19 days | 66 tier C | — |
| 7 | Bergen | City | 13°C | 269 mm · 18 days | 63 tier C | — |
| 8 | Ålesund | City | 14°C | 281 mm · 20 days | 61 tier C | — |
| 9 | Svolvær | Island | 11°C | 135 mm · 17 days | 56 tier D | — |
| 10 | Hemsedal | Ski resort | 12°C | 113 mm · 12 days | 31 tier F | — |
| 11 | Trysil | Ski resort | 13°C | 97 mm · 13 days | 24 tier F | — |
Comfort is SeasonMap's 0–100 score; each place is judged through the lens that suits it — beaches on beach weather, ski resorts on snow. "At its best" means September is one of that place's own top three months. Feels-like highs fold in humidity, wind and sun.
What's on in Norway in September
- Birch turning on the fjord walls · Geiranger · 20 Sep – 15 Oct (usually)
- Mushroom season in the Marka · Oslo · 20 Aug – 10 Oct (usually)
- Aurora season · Tromsø and 3 more places · 15 Sep – 5 Apr (usually)
Seasons in force
Peak crowds at 3 of Norway's 6 well-known places this month.