Rjukan
September
Weather in Rjukan for September 2025
Your guide to Rjukan weather in September - trends and predictions
In general, the average temperature in Rjukan at the beginning of September is 15 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 7.6 °C by the end of September.
The climate of Rjukan in September is notably wet, with an average of 12 rainy days.
Is September a good time to visit Rjukan? check out the best time to travel to Rjukan page.
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18
Dry days
12
Rainy days
0
Snow days
11°/4°
Temperatures
16 km/h
Avg max wind
80 %
Avg humidity
Rjukan in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  16° | 2  14° | 3 10° | 4  13° | 5 17° | 6 17° | 7 18° |
| 8 16° | 9  16° | 10 13° | 11  9° | 12 9° | 13 8° | 14  8° |
| 15 10° | 16  8° | 17 11° | 18  10° | 19 12° | 20 11° | 21 13° |
| 22 12° | 23 10° | 24 8° | 25 9° | 26 8° | 27  8° | 28 7° |
| 29 6° | 30 7° |
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Temperatures trend during September in Rjukan
See the weather trend as well as the moving average line
September weather day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Sept. | Overcast | 16° /5° | 0.1 mm | 0 cm | |
| 2 Sept. | Sunny | 14° /6° | 0.1 mm | 0 cm | |
| 3 Sept. | Overcast | 10° /6° | 11.1 mm | 0 cm | |
| 4 Sept. | Cloudy | 13° /7° | 13.8 mm | 0 cm | |
| 5 Sept. | Cloudy | 17° /7° | 0.1 mm | 0 cm | |
| 6 Sept. | Overcast | 17° /6° | 0 mm | 0 cm | |
| 7 Sept. | Sunny | 18° /7° | 0.1 mm | 0 cm | |
| 8 Sept. | Sunny | 16° /9° | 1.2 mm | 0 cm | |
| 9 Sept. | Partly cloudy | 16° /9° | 1.2 mm | 0 cm | |
| 10 Sept. | Partly cloudy | 13° /5° | 1.2 mm | 0 cm | |
| 11 Sept. | Light rain shower | 9° /3° | 1.6 mm | 0.4 cm | |
| 12 Sept. | Sunny | 9° /0° | 0.1 mm | 0 cm | |
| 13 Sept. | Partly cloudy | 8° /-1° | 0 mm | 0 cm | |
| 14 Sept. | Mist | 8° /1° | 0 mm | 0 cm | |
| 15 Sept. | Fog | 10° /3° | 0.1 mm | 0 cm | |
| 16 Sept. | Light drizzle | 8° /3° | 9.5 mm | 0 cm | |
| 17 Sept. | Sunny | 11° /2° | 0 mm | 0 cm | |
| 18 Sept. | Moderate rain | 10° /5° | 8.9 mm | 0 cm | |
| 19 Sept. | Light rain shower | 12° /4° | 7.6 mm | 0 cm | |
| 20 Sept. | Light drizzle | 11° /3° | 2.8 mm | 0 cm | |
| 21 Sept. | Light rain shower | 13° /6° | 10.2 mm | 0 cm | |
| 22 Sept. | Moderate rain | 12° /4° | 9.4 mm | 0 cm | |
| 23 Sept. | Patchy rain possible | 10° /3° | 0.2 mm | 0 cm | |
| 24 Sept. | Partly cloudy | 8° /1° | 6.5 mm | 0 cm | |
| 25 Sept. | Light rain shower | 9° /2° | 10.7 mm | 0 cm | |
| 26 Sept. | Mist | 8° /1° | 0.1 mm | 0 cm | |
| 27 Sept. | Heavy rain | 8° /3° | 14.1 mm | 0 cm | |
| 28 Sept. | Light rain shower | 7° /1° | 1.2 mm | 0 cm | |
| 29 Sept. | Patchy rain possible | 6° /0° | 0.3 mm | 0 cm | |
| 30 Sept. | Patchy rain possible | 7° /1° | 0.2 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.
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 134.5 mm is expected in Rjukan during September, occurring over more than 12 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Rjukan during September?
The average wind speed in Rjukan during September is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Rjukan in September?
As you prepare for your trip to Rjukan in September, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Rjukan, during September, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Warm Clothing: Sweaters, hoodies, long pants
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Accessories
- Scarves: To protect you from the cold wind
- Gloves/Mittens: Essential for cold weather
- Warm Hats: Warm hats for insulation in cold weather
- Umbrellas/Raincoats: For rainy days
September rainfall patterns in Rjukan
Explore the daily rainfall trends and prepare for Rjukans September weather 💧
September snowfall in Rjukan
Track daily snowfall levels and discover Rjukan’s snowy potential this September ❄️
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Where is Rjukan?Get accurate weather forecasts for Rjukan, located at latitude 59.879 and longitude 8.594. Stay updated with localized weather information tailored for Rjukan.
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