Strømmen Weather in September
Strømmen in September
The short of it: Strømmen in September averages a high of 15 °C (59 °F) and a low of 7 °C (45 °F), with 89 mm (3.5 in) of rain and about 12 h 44 min of daylight. Rated 2 of 5 for a visit; the best months are July and August. Source: TerraClimate climate normals, 1991–2020.
Average high 15° · low 7° · rain 89 mm · daylight 12 h 44 min
✦✦ Travel with care for a visit · best months: July & August
Thirty years of records give Strømmen an average September high of 15°, a low of 7° and some 89 mm of rain. The year turns hard here: highs drop 5° from August to about 15°, with nights near 7°. Wet spells are common — about 89 mm, the 4th wettest month.
The sun is up for about 12 h 44 min in mid-September, 172 minutes less than a month before.
For the traveller: pack layers, a wool coat and stout boots, and an oilskin besides. The Almanac rates September 2 of 5 for a visit; the finest months here are July and August.
Against its neighbours, Strømmen runs warmer than most and wetter than most in September. Lillestrøm, 2 km to the ENE, sees much the same highs.
September in Strømmen, by the numbers
- Warmth rank
- 5th warmest of 12
- Rain rank
- 4th wettest of 12
- Versus August
- 5° colder, 12 mm less rain
- Versus October
- 6° warmer
- Day–night spread
- 8°
- Snow season
- Nov–Mar
- Daylight, mid-month
- 12 h 44 min
- Average wind
- 10 km/h