The weather in September in Gran

It's cool to moderate in September in Gran with an average temperature of 15°C. Temperatures this month range from a low of 13°C to a high of 18°C. At night, you can expect temperatures between 7°C and 10°C.

Looking for sun and warm weather? September isn’t a good month to be in Gran. The temperatures are too low for a warm stay 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 Gran, 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 25°C in 2023, Gran reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 5°C in 2019. The extreme nighttime temperatures ranged from a lowest recorded value of 0°C to a highest value of 15°C.

Rainfall amount

In September, there is an average of 81 mm of precipitation, spread over 11 days. The wind speed is around 4 Bft, mostly coming from the South.

Daily weather in September for Gran

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

September weather comparison

  Gran New York
Average temperature 15°C 27°C
Max. temperature 18°C 31°C
Min. temperature 7°C -5°C
Total precipitation 81 mm 57 mm
Rainy days 11 days 9 days

Start of September

The month of September starts in Gran with cool temps, averaging around 17°C during the day and nights around 9°C.

Mid September

By mid-September, daytime temps drop to around 15°C, with nights around 9°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.

End of September

By the end of September, the average daytime temperature in Gran is around 15°C, while nighttime temps are about 8°C. A shower might pop up, but overall, the weather will be dry and sunny.

Find affordable trips to Gran

UV index

The UV index is a maximum of 4 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 Gran 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 Gran, Norway. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in September in Gran

Temperature in September in Gran over the years

Precipitation charts

These charts show the average amount of precipitation in September in Gran, 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 Gran

Total precipitation in September in Gran over the years

Daily UV index in September in Gran

This chart shows the average daily UV index in September in Gran, 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 Gran

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Average weather in Gran by month

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