Temperatures in September
It's cool in September in Dønna with an average temperature of 13°C. Temperatures this month range from a low of 11°C to a high of 17°C. At night, you can expect temperatures between 5°C and 10°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Dønna in September. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of September
The month of September starts in Dønna with cool temperatures, averaging around 15°C during the day and nights close to 9°C. You can expect regular precipitation, but there’s also a chance for some sunny days in the first days of the month.
Mid-September
By mid-September, the average daytime temperature drops to around 14°C, with nights close to 8°C. The chance of precipitation is high during this period.
End of September
By the end of September, the average daytime temperature in Dønna will be around 13°C, with nights close to 7°C. There’s regular precipitation, but with a bit of luck, you’ll also get some dry and sunny days.
Precipitation in September
In September, there is an average of 166 mm of precipitation, spread over 16 days. The wind speed is around 3 Bft, mostly coming from the Southeast.
Across the whole month, the average precipitation chance is 52% per day.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in September for Dønna. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
Dønna in September |
UK | ||
|---|---|---|---|
 Average Temperature |
13°C | 20°C | |
 High Temp |
17°C | 22°C | |
| Low Temp |
11°C | 17°C | |
 Total Precipitation |
166 mm | 44 mm | |
| Rainy Days |
16 days | 8 days | |
August
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.
Is September a good time to visit Dønna?
After some sun? Then September isn’t the best time to be in Dønna. There’s too much chance of rain this month.
Temperature records for Dønna in September
With 24°C, Dønna hit the highest temperature in the last 10 years in September 2015. The lowest daytime temperature in this month was 5°C in 2019. The extreme night temperatures ranged from a low of -1°C to a high of 17°C.
Check out the climate of Dønna for all months and discover the best travel time
Daily Temperature in September in Dønna
This chart shows the average daily temperatures, both day and night, for each day in September in Dønna, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in September in Dønna
The chart below shows the average daily precipitation in September for Dønna, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for September, you can expect around 16 days of rain in Dønna.
Daily UV Index in September in Dønna
This chart shows the average daily UV index in September in Dønna, 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.
Temperature in September in Dønna Over the Years
This chart shows the average temperature in September in Dønna, measured in degrees Celsius, over the past years.
Total Precipitation in September in Dønna Over the Years
This chart shows the average precipitation in September in Dønna, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in September for Dønna
Click on a specific day in September for detailed info on the typical weather on that day in Dønna. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in September in Dønna
Have you been to Dønna in September?
Share your weather experience in September in Dønna.
Average Weather in Dønna by Month
Click on a month below to see detailed weather info for Dønna. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
