The weather in September in Geilo

It's cool in September in Geilo with an average temperature of 13°C. Temperatures this month range from a low of 9°C to a high of 16°C. At night, you can expect temperatures between 3°C and 7°C.

Looking for sun? September isn’t a good month to be in Geilo. There’s too much chance of rain this month.

Average temperatures and precipitation

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in September for Geilo, Norway. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.

Temperature records

With 24°C in 2016, Geilo reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 4°C in 2018. The extreme nighttime temperatures ranged from a lowest recorded value of -5°C to a highest value of 12°C.

Precipitation and snowfall

In September, there is an average of 101 mm of precipitation, spread over 13 days. Of the total precipitation, about 1,0 cm falls as snow in September. The wind speed is around 4 Bft, mostly coming from the South.

Daily weather in September for Geilo

Click on any day in September to get detailed info about the usual weather on that day in Geilo. Check out the historical temperatures and precipitation over the past 10 years on this day.

September weather comparison

  Geilo New York
Average temperature 13°C 27°C
Max. temperature 16°C 31°C
Min. temperature 3°C -5°C
Total precipitation 101 mm 57 mm
Rainy days 13 days 9 days
Total snowfall 1,0 cm 0 cm
Snowy days 1 day 0 days

Start of September

The month of September starts in Geilo with cool temps, averaging around 15°C during the day and nights around 6°C.

Mid September

By mid-September, daytime temps drop to around 14°C, with nights around 5°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days.

End of September

By the end of September, the average daytime temperature in Geilo is around 11°C, while nighttime temps are about 5°C. Expect regular precipitation, but if you’re lucky, you’ll also get some dry and sunny days.

Find affordable trips to Geilo

UV index

The UV index is a maximum of 5 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.

Check out the climate of Geilo for all months and discover the best travel time

Curious about the weather in other parts of Norway? Check out the climate and weather for spots like Oslo, Lofoten, Vesterålen, or explore other destinations in Norway.

Temperature charts

These charts show the average temperatures in September in Geilo, Norway. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in September in Geilo

Temperature in September in Geilo over the years

Precipitation charts

These charts show the average amount of precipitation in September in Geilo, Norway. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.

Daily Precipitation in September in Geilo

Total precipitation in September in Geilo over the years

Daily Snowfall in September in Geilo

Snowfall in September in Geilo per year

Daily UV index in September in Geilo

This chart shows the average daily UV index in September in Geilo, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.

Weather experiences in September in Geilo

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Average weather in Geilo by month

Click on a month below to see detailed weather info for Geilo. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.