Trysil weather in September
Norway

September in Trysil: cool, rainy, with clean air — not the best time to visit.
#9 of 12 months in Trysil · #1334 of 1383 destinations to visit in September · comfort 24/100 (tier F)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Trysil in September
No notes yet. Open Trysil on the map to add the first one.
Trysil climate normals — September
| Daytime high | 13°C / 55°F | 🙂 cool |
|---|---|---|
| Nighttime low | 7°C / 44°F | |
| Rainfall | 97 mm / 3.8 in | 🌧 rainy |
| Rainy days | 13 days | |
| Humidity | 87% | 💦 very humid |
| Dew point | 8°C / 46°F | |
| Sunshine | 5.5 h/day | |
| Daylight | 12.9 h | |
| Wind | 15 km/h / 9 mph | |
| Snowfall | 0.1 cm / 0 in | |
| Air quality (US AQI) | 31 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Trysil in September
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
BusyAutumn break in Norway, school holidays in 3 of the markets that fill it(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Trysil's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Fair weatherTrysil's weather peaks December–February.
Best weatherFair weatherToughest weather
What's on in Trysil in September
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Opening
Summer bike and hike season
14 May – 11 Oct · usuallySummer season opensOnce the snow clears, the Gullia trail network and the Fjellekspressen lift-served bike park reopen from mid-May to mid-October, turning the same slopes into a summer riding and hiking destination. Source ↗
Nearby, and something's on
Within 300 km of Trysil — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Trysil?
Trysil in September — FAQ
- Is September a good time to visit Trysil?
- September in Trysil: cool, rainy, with clean air — not the best time to visit. It ranks #9 of 12 months for Trysil on SeasonMap's comfort score (24/100).
- What is the weather like in Trysil in September?
- In September, Trysil averages a daily high of 12.9°C and a low of 6.9°C, with about 97.3 mm of rain over roughly 12.6 rainy days.
- What is the air quality in Trysil in September?
- Trysil has a mean US Air Quality Index of about 31 in September.
Other months in Trysil
Warmer or cooler than Trysil in September
Similar destinations in Northern Europe — September
Within 300 km: Åre's Are autumn market around 20–30 Sep, and Geiranger's Dalsnibba and Eagle Road open around 20 May – 5 Nov.