Kongsberg in September
6.3out of 10
Possible, with caveats
Cool: highs only around 15°C. Frequent rain: about 11 rainy days.
15°CAvg high
7°CAvg low
11Rainy days (102 mm)
12:30 hDaylight
07:01Sunrise · 19:31 Sunset
Why this score
- Cool: highs only around 15°C
- Frequent rain: about 11 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 (±4.0 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 | -2°C | -8°C | 79 mm | 11 | – | – | 3.6 |
| February | -1°C | -8°C | 52 mm | 9 | – | – | 3.9 |
| March | 4°C | -5°C | 58 mm | 9 | – | – | 4.5 |
| April | 9°C | -1°C | 60 mm | 9 | – | – | 5.5 |
| May | 14°C | 5°C | 83 mm | 12 | – | – | 6.2 |
| June | 18°C | 9°C | 104 mm | 13 | – | – | 6.6 |
| July | 20°C | 11°C | 112 mm | 13 | – | – | 6.9 |
| August | 19°C | 10°C | 112 mm | 14 | – | – | 6.6 |
| September | 15°C | 7°C | 102 mm | 11 | – | – | 6.3 |
| October | 8°C | 2°C | 99 mm | 12 | – | – | 5.1 |
| November | 3°C | -2°C | 98 mm | 12 | – | – | 3.9 |
| December | -2°C | -7°C | 74 mm | 11 | – | – | 3.6 |
Frequently asked questions
How hot is Kongsberg in September?
Daytime highs average 15°C and nights about 7°C.
When is the best time to visit Kongsberg?
The best months are July, June, August.