Rjukan
September
Weather in Rjukan for September 2026
Your guide to Rjukan weather in September - trends and predictions
Snowfall in Rjukan during September is quite rare, with fewer than 2 snowy days on average.
In general, the average temperature in Rjukan at the beginning of September is 13.9 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 8 °C by the end of September.
The climate of Rjukan in September is notably wet, with an average of 15 rainy days, and a total of 112.3 mm of precipitation.
Snow Forecast ❄️
Temperatures
Rain 🌧️
14
Dry days
15
Rainy days
1
Snow days
11°/4°
Temperatures
14 km/h
Avg max wind
79 %
Avg humidity
Rjukan Weather September
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Temperatures trend during September in Rjukan
See the weather trend as well as the moving average line
September weather in Rjukan day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Sept. |  Overcast | 14° /6° | 6.5 mm | 0 cm | |
| 2 Sept. |  Sunny | 13° /6° | 1 mm | 0 cm | |
| 3 Sept. | Overcast | 10° /6° | 10.6 mm | 0 cm | |
| 4 Sept. |  Cloudy | 12° /7° | 12.2 mm | 0 cm | |
| 5 Sept. | Cloudy | 15° /6° | 1.8 mm | 0 cm | |
| 6 Sept. | Overcast | 16° /6° | 1.1 mm | 0 cm | |
| 7 Sept. | Sunny | 17° /6° | 0 mm | 0 cm | |
| 8 Sept. | Sunny | 15° /7° | 1 mm | 0 cm | |
| 9 Sept. |  Light rain shower | 15° /7° | 1.1 mm | 0 cm | |
| 10 Sept. |  Partly cloudy | 12° /5° | 2 mm | 0 cm | |
| 11 Sept. | Light rain shower | 10° /4° | 6.6 mm | 0.3 cm | |
| 12 Sept. | Sunny | 8° /0° | 2.6 mm | 0 cm | |
| 13 Sept. | Partly cloudy | 8° /0° | 1.1 mm | 0 cm | |
| 14 Sept. |  Mist | 8° /1° | 2 mm | 0 cm | |
| 15 Sept. | Fog | 9° /3° | 2.4 mm | 0 cm | |
| 16 Sept. |  Light drizzle | 8° /3° | 7.4 mm | 0 cm | |
| 17 Sept. | Partly cloudy | 11° /2° | 0 mm | 0 cm | |
| 18 Sept. |  Moderate rain | 10° /4° | 5.9 mm | 0 cm | |
| 19 Sept. | Light rain shower | 12° /4° | 5.2 mm | 0 cm | |
| 20 Sept. | Light drizzle | 11° /4° | 2.3 mm | 0 cm | |
| 21 Sept. | Light rain shower | 12° /4° | 11.6 mm | 0 cm | |
| 22 Sept. | Sunny | 10° /2° | 6.2 mm | 0 cm | |
| 23 Sept. | Sunny | 9° /1° | 0.2 mm | 0 cm | |
| 24 Sept. | Partly cloudy | 8° /1° | 4.3 mm | 0 cm | |
| 25 Sept. | Light rain shower | 10° /1° | 7.1 mm | 0 cm | |
| 26 Sept. | Mist | 9° /1° | 0.1 mm | 0 cm | |
| 27 Sept. |  Heavy rain | 9° /2° | 9.4 mm | 0 cm | |
| 28 Sept. | Overcast | 8° /1° | 0.8 mm | 0 cm | |
| 29 Sept. | Patchy rain possible | 6° /0° | 0.8 mm | 0 cm | |
| 30 Sept. | Patchy rain possible | 6° /1° | 0.9 mm | 0 cm | |
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Important Notice
Our weather forecast for Rjukan in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Rjukan forecast closer to your planned date for the most up-to-date weather information.
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Rjukan in September - FAQ
What are the expected maximum and minimum temperatures in Rjukan during September?
Prepare for cooler days with highs just around 11° and colder nights, dipping below 4°.
How much rainfall should be expected in Rjukan during September?
Significant rainfall exceeding 112.3 mm is expected in Rjukan during September, occurring over more than 15 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Rjukan in September 2026?
Rjukan typically sees 0.475 cm of snowfall during September.
What are the typical wind conditions in Rjukan during September?
The average wind speed in Rjukan during September is 14 km/h, suggesting breezy to windy conditions, depending on your activities.
Rjukan snow forecast September 2026
Track daily snowfall levels and discover Rjukan’s snowy potential this September ❄️
September rainfall patterns in Rjukan
Explore the daily rainfall trends and prepare for Rjukans September weather 💧
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