September weather forecastHolmstad, Norway
September
Weather in September
The first month of the autumn, September, is also a fresh month in Holmstad, Norway, with an average temperature fluctuating between 7.3°C (45.1°F) and 10.4°C (50.7°F).Temperature
With the onset of September, Holmstad's average high-temperature clocks in at a cool 10.4°C (50.7°F), showing a minor fluctuation from the previous month. Holmstad, during September nights, observes a steady temperature, averaging at a frosty 7.3°C (45.1°F).Humidity
In September, the average relative humidity is 81%.Rainfall
In Holmstad, in September, during 19.9 rainfall days, 86mm (3.39") of precipitation is typically accumulated. Throughout the year, there are 179 rainfall days, and 975mm (38.39") of precipitation is accumulated.Snowfall
Months with snowfall are January through June, September through December. September is the first month it typically snows. Throughout September, in the average 0.2 snowfall days, it receives 1mm (0.04") of snow. Throughout the year, there are 104.3 snowfall days, and 1870mm (73.62") of snow is accumulated.Daylight
In Holmstad, the average length of the day in September is 13h and 16min.On the first day of the month, sunrise is at 05:24 and sunset at 20:34. On the last day of September, sunrise is at 07:11 and sunset at 18:26 CEST.
Sunshine
In September, the average sunshine is 5.5h.UV index
In September, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: A maximum UV index of 2 in September translates into the following recommendations:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Enhance your sun protection with tightly woven, yet airy clothing. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Holmstad, Norway
- Average high temperature in September: 10.4°C
The warmest month (with the highest average high temperature) is July (13.6°C).
The month with the lowest average high temperature is February (-0.7°C).
- Average low temperature in September: 7.3°C
The month with the highest average low temperature is July (9.6°C).
The coldest month (with the lowest average low temperature) is February (-4°C).
Average pressure in September
Holmstad, Norway
- Average pressure in September: 1008.4mbar
The month with the highest atmospheric pressure is May (1013.8mbar).
The month with the lowest atmospheric pressure is December (1000.6mbar).
Average wind speed in September
Holmstad, Norway
- Average wind speed in September: 15.2km/h
The windiest month (with the highest average wind speed) is March (20.9km/h).
The calmest month (with the lowest average wind speed) is July (13km/h).
Average humidity in September
Holmstad, Norway
- Average humidity in September: 81%
The month with the highest relative humidity is April (82%).
The month with the lowest relative humidity is December (78%).
Average rainfall in September
Holmstad, Norway
- Average rainfall in September: 86mm
The wettest month (with the highest rainfall) is December (104mm).
The driest month (with the least rainfall) is July (59mm).
Average rainfall days in September
Holmstad, Norway
- Average rainfall days in September: 19.9 days
The month with the highest number of rainy days is September (19.9 days).
The month with the least rainy days is February (8.8 days).
Average snowfall in September
Holmstad, Norway
- Average snowfall in September: 1mm
The month with the highest snowfall is March (370mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in September
Holmstad, Norway
- Average snowfall days in September: 0.2 days
The month with the highest number of snowfall days is March (21.1 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Holmstad, Norway
- Average daylight in September: 13h and 18min
The month with the longest days is August (Average daylight: 17h and 36min).
The month with the shortest days is June (Average daylight: 0h and 0min).
- Average sunshine in September: 5h and 30min
The month with the most sunshine is August (Average sunshine: 7h and 30min).
The month with the least sunshine is December (Average sunshine: 0h and 6min).
Average sunshine days in September
Holmstad, Norway
- Average sunshine days in September: 8.6 days
The month with the most sunshine days is July (13.5 days).
The month with the least sunshine days is March (5.3 days).
Average UV index in September
Holmstad, Norway
- Average UV index in September: 2
The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are February, March, November and December (UV index 1).
Average cloud cover in September
Holmstad, Norway
- Average cloud cover in September: 64
The month with the most cloud cover is March (Cloud cover 72).
The month with the least cloud cover is July (Cloud cover 59).
Average visibility in September
Holmstad, Norway
- Average visibility in September: 9km
The months with the highest visibility are May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March and April (8km).





