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Weather in Geilo for September 2026

Your guide to Geilo weather in September - trends and predictions

    Snow Forecast ❄️

  • Snowfall in Geilo during September is quite rare, with fewer than 2 snowy days on average.
    According to Geilo snow forecast for September 2026, no snow is expected until the end of the month.

    • Temperatures

  • Until now, September 2026 in Geilo is slightly cooler than the historical average by 1.1 °C.

  • The forecast for the upcoming days in Geilo predicts a temperature of 10.8 °C, which is slightly above the historical average.

  • In general, the average temperature in Geilo at the beginning of September is 13.4 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 9.4 °C by the end of September.

    • Rain 🌧️

  • The climate of Geilo in September is notably wet, with an average of 14 rainy days, and a total of 93.4 mm of precipitation.

Average dry days
16
Dry days
Average rainy days
14
Rainy days
Average snowy days
1
Snow days
Average temperatures
11°/3°
Temperatures
Average wind speed
15 km/h
Avg max wind
Average humidity
79 %
Avg humidity

Geilo Weather September

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

Temperatures trend during September in Geilo

See the weather trend as well as the moving average line

September weather in Geilo day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Sunny
Sunny
 14° /6° 4.2 mm 3
2 Sept. Patchy rain possible
Patchy rain possible
 12° /4° 1.1 mm 3
3 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 12° /4° 5 mm 2
4 Sept. Heavy rain at times
Heavy rain at times
 12° /5° 5.5 mm 2
5 Sept. Overcast
Overcast
 14° /5° 0.8 mm 3
6 Sept. Cloudy
Cloudy
 15° /4° 0.9 mm 3
7 Sept. Overcast
Overcast
 15° /5° 1.6 mm 3
8 Sept. Heavy rain at times
Heavy rain at times
 14° /4° 1.9 mm 3
9 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 12° /4° 6.1 mm 3
10 Sept. Patchy rain possible
Patchy rain possible
 11° /2° 3.7 mm 2
11 Sept. Heavy rain at times
Heavy rain at times
 10° /3° 4.8 mm 2
12 Sept. Moderate rain at times
Moderate rain at times
 8° /0° 2.7 mm 2
13 Sept. Partly cloudy
Partly cloudy
 9° /0° 0.8 mm 2
14 Sept. Sunny
Sunny
 10° /1° 1.3 mm 2
15 Sept. Overcast
Overcast
 10° /3° 9.3 mm 2
16 Sept. Heavy rain at times
Heavy rain at times
 10° /2° 3.2 mm 2
17 Sept. Cloudy
Cloudy
 11° /2° 0.3 mm 2
18 Sept. Patchy rain possible
Patchy rain possible
 12° /3° 0.4 mm 3
19 Sept. Sunny
Sunny
 14° /4° 1.2 mm 3
20 Sept. Sunny
Sunny
 12° /3° 0.8 mm 3
21 Sept. Partly cloudy
Partly cloudy
 11° /3° 3.7 mm 3
22 Sept. Sunny
Sunny
 11° /2° 0.1 mm 3
23 Sept. Sunny
Sunny
 11° /2° 3.4 mm 2
24 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 9° /2° 5.1 mm 2
25 Sept. Overcast
Overcast
 11° /1° 11.5 mm 2
26 Sept. Patchy rain possible
Patchy rain possible
 9° /0° 0 mm 2
27 Sept. Cloudy
Cloudy
 7° /-1° 0 mm 2
28 Sept. Light drizzle
Light drizzle
 11° /3° 2.7 mm 1.3
29 Sept. Sunny
Sunny
 11° /0° 0.1 mm 1.2
30 Sept. Fog
Fog
 8° /4° 3.2 mm 0.9
Next
Important Notice
Our weather forecast for Geilo 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 Geilo forecast closer to your planned date for the most up-to-date weather information.
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Geilo in September - FAQ

What are the expected maximum and minimum temperatures in Geilo during September?
Prepare for cooler days with highs just around 11° and colder nights, dipping below 3°.

How much rainfall should be expected in Geilo during September?
Moderate rainfall is anticipated in Geilo during September, with a total of 93.4 mm spread over approximately 14 days. Considering plans for rainy days is advisable.

Will it snow in Geilo in September 2026?
Geilo typically sees 0.1 cm of snowfall during September.

What are the typical wind conditions in Geilo during September?
The average wind speed in Geilo during September is 15 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Geilo

Explore the daily rainfall trends and prepare for Geilos September weather 💧
Typically, Geilo has 14 rainy days in September with a total of 93.4 mm of rainfall.

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Location coordinates Where is Geilo?

Get accurate weather forecasts for Geilo, located at latitude 60.534 and longitude 8.205. Stay updated with localized weather information tailored for Geilo.

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