Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The arrival of September signals a subtle shift in temperature, down from a refreshing 18.7°C (65.7°F) in August to a moderate 15.3°C (59.5°F). Throughout September, Holmsbu records an average temperature of 9.6°C (49.3°F) at night.Humidity
In Holmsbu, the average relative humidity in September is 78%.Rainfall
In September, the rain falls for 10.5 days. Throughout September, 44mm (1.73") of precipitation is accumulated. Throughout the year, there are 117.6 rainfall days, and 433mm (17.05") of precipitation is accumulated.Snowfall
May through September are months without snowfall in Holmsbu.Daylight
In Holmsbu, the average length of the day in September is 12h and 51min.On the first day of September, sunrise is at 06:15 and sunset at 20:20. On the last day of the month, sunrise is at 07:22 and sunset at 18:53 CEST.
Sunshine
In Holmsbu, Norway, the average sunshine in September is 8.2h.UV index
In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: In September, the average maximum UV index of 4 translates into the following recommendations:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Frequently asked questions
What is the temperature in September in Holmsbu?
What is the average humidity in September in Holmsbu?
How many days does it rain in September in Holmsbu?
When it does not snow in Holmsbu?
Does it snow in Holmsbu in September?
What is the average length of the day in September in Holmsbu?
When are sunrise and sunset in September in Holmsbu?
How long on average sun shines in September in Holmsbu?
What is the UV index reading in September in Holmsbu?
Average temperature in September
Holmsbu, Norway
- Average high temperature in September: 15.3°C
The warmest month (with the highest average high temperature) is July (19.7°C).
The month with the lowest average high temperature is January (-0.4°C).
- Average low temperature in September: 9.6°C
The month with the highest average low temperature is July (12.8°C).
The coldest month (with the lowest average low temperature) is February (-4.5°C).
Average pressure in September
Holmsbu, Norway
- Average pressure in September: 1012.7mbar
The month with the highest atmospheric pressure is April (1014.4mbar).
The month with the lowest atmospheric pressure is December (1008mbar).
Average wind speed in September
Holmsbu, Norway
- Average wind speed in September: 13.8km/h
The windiest month (with the highest average wind speed) is December (16.4km/h).
The calmest month (with the lowest average wind speed) is July (12.1km/h).
Average humidity in September
Holmsbu, Norway
- Average humidity in September: 78%
The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are April and May (71%).
Average rainfall in September
Holmsbu, Norway
- Average rainfall in September: 44mm
The wettest month (with the highest rainfall) is November (52mm).
The driest month (with the least rainfall) is April (19mm).
Average rainfall days in September
Holmsbu, Norway
- Average rainfall days in September: 10.5 days
The month with the highest number of rainy days is July (14.3 days).
The month with the least rainy days is February (4.8 days).
Average snowfall in September
Holmsbu, Norway
- Average snowfall in September: 0mm
The month with the highest snowfall is January (108mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Holmsbu, Norway
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Holmsbu, Norway
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 18h and 36min).
The month with the shortest days is December (Average daylight: 6h and 12min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is June (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in September
Holmsbu, Norway
- Average sunshine days in September: 17.3 days
The month with the most sunshine days is April (20.2 days).
The month with the least sunshine days is November (14.5 days).
Average UV index in September
Holmsbu, Norway
- Average UV index in September: 4
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in September
Holmsbu, Norway
- Average cloud cover in September: 42
The month with the most cloud cover is February (Cloud cover 60).
The months with the least cloud cover are June, July and August (Cloud cover 38).
Average visibility in September
Holmsbu, Norway
- Average visibility in September: 9km
The months with the highest visibility are May and June (10km).
The months with the lowest visibility are January, February and March (8km).
Holmsbu, Norway
Weather forecast for your location
2. Allow the app to use your location
