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Geilo in September 2026: weather, temperatures and activities

Do you want to visit Geilo in September 2026? Discover the usual weather at this time of year, average temperatures, the risk of rain, possible activities, and our opinion on whether September is a good month to travel to Geilo, Norway.

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Is it worth visiting Geilo in September?

Check your ideal travel criteria and see if the month of September suits your plans to go to Geilo.
What matters most?
Geilo in September 2026: weather, temperatures and activities

Page summary

Geilo in September in summary
Very bad weather
Min 3°C Max 10°C 94 mm 5 day(s) 90% 51% 11.0 h/day 6.1 cm
Best activities in September
Nature and landscapesWell-being
Practical guidelines
Moderate crowds 05:55 18:48
Hourly weather

Average weather in Geilo in September 2026

Very bad weather

The weather in Geilo in September 2026 is based on statistical data from previous years in September. This allows you to forecast the weather in September 2026. Check the hourly statistics (6:00, 9:00, 12:00, 15:00, 18:00, 21:00, 0:00 and 3:00), with the associated average temperature, for the whole month, and also, by navigating the tabs, for the beginning, middle and end of the month.

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Climate

Climate of Geilo in September

Temperatures, precipitation, snow and monthly trends help better understand the climate in Geilo in September.

Temperatures and rain in Geilo in September

Average daily weather

Temperatures, rain and snow day by day in September, with a separate scale for snow.
Minimal Average Maximums Average rainfall Daily snow

Monthly temperatures

The month of September is highlighted to compare it quickly with the rest of the year.
Minimal Average Maximums

Monthly precipitation

The bar for the month under study is highlighted.
Average rainfall

About the climate in Geilo in September

Seasonal normals

Seasonal normals of Geilo in September

Check the seasonal normals in Geilo in September and compare the weather with the previous month and the following month (or the months of your choice by selecting months in the form below): temperatures, wind, rain, humidity, climate rating...

Last updated: 12/01/2026
Reference period for normals: January 2009 - December 2025
Month analyzed
September
Weather data August September October
Outside temperature
Average temperature 10.8°C 6.5°C 0.6°C
Maximum temperature 14.1°C 9.9°C 3.2°C
Minimum temperature 7.5°C 3.1°C -2.1°C
Record maximum temperature 23.0°C
(2020)
21.0°C
(2016)
17.0°C
(2011)
Record low temperature 1.0°C
(2010)
-5.0°C
(2010)
-22.0°C
(2012)
Number of days at +30° 0 day(s)
(0%)
0 day(s)
(0%)
0 day(s)
(0%)
Number of days at +18° 5 day(s)
(16%)
1 day(s)
(3%)
0 day(s)
(0%)
Number of days below 0° 0 day(s)
(0%)
6 day(s)
(20%)
24 day(s)
(77%)
Wind
Wind speed 17 km/h 19 km/h 16 km/h
Wind temperature 5.9°C 0.5°C -5.7°C
Precipitation (rain)
Precipitation 115.4 mm 94.4 mm 91.4 mm
Number of days with precipitation 18 day(s)
(58%)
16 day(s)
(53%)
17 day(s)
(55%)
Number of days with significant precipitation (greater than 5 mm) 7 day(s)
(23%)
5 day(s)
(17%)
6 day(s)
(20%)
Record precipitation in one day 43.6 mm
(2018)
37.3 mm
(2013)
47.3 mm
(2017)
Other weather data
Humidity 85% 90% 90%
Visibility 8.7 km 8.2 km 7.5 km
Cloud cover 45% 51% 54%
UV index 3 2 2
Daily sunshine 13h 11h 7h
Sunrise and sunset
Sunrise time 04h39 05h55 07h08
Sunset time 20h22 18h48 17h17
Day length 15h43 12h53 10h09
Our opinion on the climate in September
The review of Where And When fair weather very bad weather very bad weather
Activities and events

What to do in Geilo in September?

Best activities in September
Nature and landscapesWell-being
Possible activities in September
Hiking and trekkingFamily and attractions
Activities not recommended in September
Winter sports and snow
Observed weather

What was the weather like in Geilo in September last?

Find the observed weather calendar in Geilo in September 2025, with each day’s weather, temperatures and precipitation.

Mon. Tue. Wed. Thu. Fri. Sat. Sun.
1
Light rain
9°C11°C4.8 mm
2
Patchy rain nearby
7°C13°C0.4 mm
3
Clear/Sunny
6°C14°C1.2 mm
4
Patchy rain nearby
9°C14°C1.1 mm
5
Patchy rain nearby
5°C10°C0.5 mm
6
Patchy rain nearby
4°C15°C0.9 mm
7
Partly Cloudy
3°C16°C0.0 mm
8
Clear/Sunny
2°C15°C0.1 mm
9
Patchy rain nearby
4°C13°C0.3 mm
10
Patchy rain nearby
9°C12°C1.4 mm
11
Patchy rain nearby
7°C13°C2.9 mm
12
Light drizzle
2°C8°C1.5 mm
13
Light rain shower
0°C8°C0.7 mm
14
Mist
5°C7°C1.1 mm
15
Light rain shower
3°C8°C1.9 mm
16
Patchy rain nearby
3°C8°C1.5 mm
17
Partly Cloudy
4°C12°C0.0 mm
18
Patchy rain nearby
4°C10°C0.0 mm
19
Partly Cloudy
6°C12°C0.1 mm
20
Partly Cloudy
3°C11°C0.0 mm
21
Overcast
4°C6°C4.1 mm
22
Clear/Sunny
-3°C5°C0.0 mm0.2 cm
23
Clear/Sunny
-1°C8°C0.0 mm
24
Clear/Sunny
-1°C10°C0.0 mm
25
Partly Cloudy
1°C12°C0.0 mm
26
Clear/Sunny
3°C14°C0.0 mm
27
Clear/Sunny
-1°C11°C0.0 mm
28
Partly Cloudy
1°C9°C0.0 mm
29
Patchy rain nearby
0°C5°C0.2 mm
30
Patchy rain nearby
2°C5°C0.4 mm
Nearby

Where to go near Geilo in September?

Compare cities and destinations near Geilo in September to find another travel stop, a nearby alternative or a logical continuation of your stay in Geilo.

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Every month

Best time to visit Geilo month by month

Compare the weather in Geilo across all months of the year and open each detailed page to find the best time.

Frequently asked questions

Travel to to Geilo in September: your frequently asked questions

Short answers to the questions we ask ourselves before booking for this month.

Not really. The weather conditions are unfavorable in Geilo in September, which places this month 9th out of 12. A trip is still possible, but plan a flexible itinerary.

Expect an average of 10°C during the day and 3°C at night, with about 94 mm of precipitation spread over 5 rainy days.

Expect about 11.0 hours of sunshine per day on average for this month.

This month is particularly suited to these activities: Nature and landscapes and Well-being. These are the ones for which the conditions on site are most favourable.

Visitor numbers are moderate: this month is in Moderate crowds, with an index of 45/100. It is often a good compromise between weather and tranquility.

If your dates are flexible, the most favorable months in Geilo are: July. Compare them before finalizing your departure.
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