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Weather in Rjukan for September 2026

Your guide to Rjukan weather in September - trends and predictions

    Snow Forecast ❄️

  • Snowfall in Rjukan during September is quite rare, with fewer than 2 snowy days on average.

    • Temperatures

  • 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.

    • Rain 🌧️

  • Rjukan experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 114.3 mm.

Average dry days
7
Dry days
Average rainy days
22
Rainy days
Average snowy days
1
Snow days
Average temperatures
10°/4°
Temperatures
Average wind speed
14 km/h
Avg max wind
Average humidity
80 %
Avg humidity

Rjukan Weather September

Move between months or click on a day
August
October
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Overcast
14°
2
Sunny
13°
3
Overcast
10°
4
Cloudy
12°
5
Cloudy
15°
6
Overcast
16°
7
Sunny
17°
8
Sunny
15°
9
Light rain shower
15°
10
Partly cloudy
12°
11
Light rain shower
10°
12
Sunny
8°
13
Partly cloudy
8°
14
Mist
8°
15
Fog
9°
16
Light drizzle
8°
17
Partly cloudy
11°
18
Moderate rain
10°
19
Light rain shower
12°
20
Light drizzle
11°
21
Light rain shower
12°
22
Sunny
10°
23
Sunny
9°
24
Partly cloudy
8°
25
Light rain shower
10°
26
Mist
9°
27
Heavy rain
9°
28
Overcast
8°
29
Patchy rain possible
6°
30
Patchy rain possible
6°

Temperatures trend during September in Rjukan

See the weather trend as well as the moving average line

September weather in Rjukan day by day

Click on a date for more information
August October
Date Weather Temperatures Rain Snow More
1 Sept. Overcast
Overcast
 14° /6° 6.5 mm 0 cm
2 Sept. Sunny
Sunny
 13° /6° 1 mm 0 cm
3 Sept. Overcast
Overcast
 10° /6° 10.6 mm 0 cm
4 Sept. Cloudy
Cloudy
 12° /7° 12.2 mm 0 cm
5 Sept. Cloudy
Cloudy
 15° /6° 1.8 mm 0 cm
6 Sept. Overcast
Overcast
 16° /6° 1.1 mm 0 cm
7 Sept. Sunny
Sunny
 17° /6° 0 mm 0 cm
8 Sept. Sunny
Sunny
 15° /7° 1 mm 0 cm
9 Sept. Light rain shower
Light rain shower
 15° /7° 1.1 mm 0 cm
10 Sept. Partly cloudy
Partly cloudy
 12° /5° 2 mm 0 cm
11 Sept. Light rain shower
Light rain shower
 10° /4° 6.6 mm 0.3 cm
12 Sept. Sunny
Sunny
 8° /0° 2.6 mm 0 cm
13 Sept. Partly cloudy
Partly cloudy
 8° /0° 1.1 mm 0 cm
14 Sept. Mist
Mist
 8° /1° 2 mm 0 cm
15 Sept. Fog
Fog
 9° /3° 2.4 mm 0 cm
16 Sept. Light drizzle
Light drizzle
 8° /3° 7.4 mm 0 cm
17 Sept. Partly cloudy
Partly cloudy
 11° /2° 0 mm 0 cm
18 Sept. Moderate rain
Moderate rain
 10° /4° 5.9 mm 0 cm
19 Sept. Light rain shower
Light rain shower
 12° /4° 5.2 mm 0 cm
20 Sept. Light drizzle
Light drizzle
 11° /4° 2.3 mm 0 cm
21 Sept. Light rain shower
Light rain shower
 12° /4° 11.6 mm 0 cm
22 Sept. Sunny
Sunny
 10° /2° 6.2 mm 0 cm
23 Sept. Sunny
Sunny
 9° /1° 0.2 mm 0 cm
24 Sept. Partly cloudy
Partly cloudy
 8° /1° 4.3 mm 0 cm
25 Sept. Light rain shower
Light rain shower
 10° /1° 7.1 mm 0 cm
26 Sept. Mist
Mist
 9° /1° 0.1 mm 0 cm
27 Sept. Heavy rain
Heavy rain
 9° /2° 9.4 mm 0 cm
28 Sept. Overcast
Overcast
 8° /1° 0.8 mm 0 cm
29 Sept. Patchy rain possible
Patchy rain possible
 6° /0° 0.8 mm 0 cm
30 Sept. Patchy rain possible
Patchy rain possible
 6° /1° 0.9 mm 0 cm
Next
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 10° and colder nights, dipping below 4°.

How much rainfall should be expected in Rjukan during September?

Significant rainfall exceeding 114.3 mm is expected in Rjukan during September, occurring over more than 22 days. Preparing for wet conditions is recommended in your planning.

Will it snow in Rjukan in September 2026?

Rjukan typically sees 0.316667 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 ❄️
On average, Rjukan sees 1 snowy days during September, with approximately 0.3 cm of total snowfall.

September rainfall patterns in Rjukan

Explore the daily rainfall trends and prepare for Rjukans September weather 💧
Typically, Rjukan has 22 rainy days in September with a total of 114.3 mm of rainfall.

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Location coordinates 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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