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NorwayThe weather in September in Gjerstad
It's cool to moderate in September in Gjerstad with an average temperature of 17°C. Temperatures this month range from a low of 15°C to a high of 20°C. At night, you can expect temperatures between 7°C and 11°C.
Looking for sun and warm weather? September isn’t a good month to be in Gjerstad. 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 Gjerstad, 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 27°C in 2021, Gjerstad reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 10°C in 2020. The extreme nighttime temperatures ranged from a lowest recorded value of -1°C to a highest value of 16°C.
Rainfall amount
In September, there is an average of 129 mm of precipitation, spread over 17 days. The wind speed is around 3 Bft, mostly coming from the South.
Daily weather in September for Gjerstad
Click on any day in September to get detailed info about the usual weather on that day in Gjerstad. Check out the historical temperatures and precipitation over the past 10 years on this day.
September weather comparison
| Gjerstad | New York | |
|---|---|---|
| Average temperature | 17°C | 27°C |
| Max. temperature | 20°C | 31°C |
| Min. temperature | 7°C | -5°C |
| Total precipitation | 129 mm | 57 mm |
| Rainy days | 17 days | 9 days |
Start of September
The month of September starts in Gjerstad with mild temps, averaging around 20°C during the day and nights around 10°C.
Mid September
By mid-September, daytime temps drop to around 18°C, with nights around 9°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 Gjerstad is around 16°C, while nighttime temps are about 9°C. Expect regular precipitation, but if you’re lucky, you’ll also get some dry and sunny days.
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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 Gjerstad 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 Gjerstad, Norway. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in September in Gjerstad
Temperature in September in Gjerstad over the years
Precipitation charts
These charts show the average amount of precipitation in September in Gjerstad, 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 Gjerstad
Total precipitation in September in Gjerstad over the years
Daily UV index in September in Gjerstad
This chart shows the average daily UV index in September in Gjerstad, 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 Gjerstad
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Average weather in Gjerstad by month
Click on a month below to see detailed weather info for Gjerstad. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.