Asker in September
6.7out of 10
Possible, with caveats
Mild: highs around 16°C. Frequent rain: about 10 rainy days.
16°CAvg high
9°CAvg low
10Rainy days (86 mm)
12:31 hDaylight
06:57Sunrise · 19:28 Sunset
Why this score
- Mild: highs around 16°C
- Frequent rain: about 10 rainy days
What to wear and pack
- Layers you can add or remove
- Rain jacket or compact umbrella
How reliable is the forecast?
Rain in September varies a lot between years (±3.7 rainy days), so check the forecast closer to your trip. Averages cover 30 years (1991–2020). Individual days can differ a lot.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | -1°C | -6°C | 73 mm | 11 | – | – | 3.6 |
| February | 0°C | -6°C | 52 mm | 8 | – | – | 4.0 |
| March | 5°C | -3°C | 53 mm | 8 | – | – | 4.8 |
| April | 10°C | 1°C | 52 mm | 8 | – | – | 5.9 |
| May | 15°C | 6°C | 70 mm | 10 | – | – | 6.6 |
| June | 19°C | 10°C | 85 mm | 11 | – | – | 7.1 |
| July | 22°C | 13°C | 92 mm | 12 | – | – | 7.4 |
| August | 20°C | 12°C | 95 mm | 13 | – | – | 7.0 |
| September | 16°C | 9°C | 86 mm | 10 | – | – | 6.7 |
| October | 9°C | 4°C | 91 mm | 12 | – | – | 5.5 |
| November | 4°C | 0°C | 90 mm | 12 | – | – | 4.5 |
| December | 0°C | -4°C | 70 mm | 11 | – | – | 3.6 |
Frequently asked questions
How hot is Asker in September?
Daytime highs average 16°C and nights about 9°C.
When is the best time to visit Asker?
The best months are July, June, August.