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
September
Weather in September
Temperature
September's arrival comes with a mild decrease in the average high-temperature, moving subtly from a mild 13.9°C (57°F) in August to a frosty 9.1°C (48.4°F). Namsskogan records a mean low-temperature of 3.7°C (38.7°F) in September.Humidity
The average relative humidity in September is 86%.Rainfall
In Namsskogan, in September, it is raining for 19.9 days, with typically 105mm (4.13") of accumulated precipitation. Throughout the year, there are 163.7 rainfall days, and 1098mm (43.23") of precipitation is accumulated.Snowfall
January through June, September through December are months with snowfall. September is the first month it typically snows. Throughout September, in the average 1.1 snowfall days, it receives 31mm (1.22") of snow. In Namsskogan, during the entire year, snow falls for 154 days and aggregates up to 3753mm (147.76") of snow.Daylight
The average length of the day in September is 13h and 3min.On the first day of September, sunrise is at 05:48 and sunset at 20:25. On the last day of the month, sunrise is at 07:15 and sunset at 18:38 CEST.
Sunshine
The average sunshine in September is 5h.UV index
In Namsskogan, the average daily maximum UV index in September is 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the average person.Note: A typical high UV index of 2 in September suggests the following recommendations:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What is the average humidity in September in Namsskogan?
How many days does it rain in September?
When does it start snowing?
How many hours of daylight does Namsskogan have in September?
When are sunrise and sunset in September?
How long on average sun shines in September?
How high is the UV index in September?
Average temperature in September
Namsskogan, Norway
- Average high temperature in September: 9.1°C
The warmest month (with the highest average high temperature) is July (15.3°C).
The month with the lowest average high temperature is January (-6.3°C).
- Average low temperature in September: 3.7°C
The month with the highest average low temperature is July (7.8°C).
The coldest month (with the lowest average low temperature) is February (-12.3°C).
Average pressure in September
Namsskogan, Norway
- Average pressure in September: 1010.5mbar
The month with the highest atmospheric pressure is May (1014.5mbar).
The month with the lowest atmospheric pressure is December (1003.5mbar).
Average wind speed in September
Namsskogan, Norway
- Average wind speed in September: 11.4km/h
The windiest month (with the highest average wind speed) is March (13.5km/h).
The calmest month (with the lowest average wind speed) is August (9.7km/h).
Average humidity in September
Namsskogan, Norway
- Average humidity in September: 86%
The months with the highest relative humidity are January, February and April (94%).
The month with the lowest relative humidity is June (76%).
Average rainfall in September
Namsskogan, Norway
- Average rainfall in September: 105mm
The wettest month (with the highest rainfall) is January (141mm).
The driest month (with the least rainfall) is June (67mm).
Average rainfall days in September
Namsskogan, Norway
- Average rainfall days in September: 19.9 days
The month with the highest number of rainy days is August (22.3 days).
The month with the least rainy days is February (5.3 days).
Average snowfall in September
Namsskogan, Norway
- Average snowfall in September: 31mm
The month with the highest snowfall is January (716mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in September
Namsskogan, Norway
- Average snowfall days in September: 1.1 days
The month with the highest number of snowfall days is March (24.6 days).
The month with the least snowfall days is August (0 days).
Average daylight in September /
Average sunshine in September
Namsskogan, Norway
- Average daylight in September: 13h and 1min
The month with the longest days is June (Average daylight: 21h and 36min).
The month with the shortest days is December (Average daylight: 3h and 54min).
- Average sunshine in September: 5h and 0min
The month with the most sunshine is July (Average sunshine: 9h and 24min).
The month with the least sunshine is December (Average sunshine: 1h and 6min).
Average sunshine days in September
Namsskogan, Norway
- Average sunshine days in September: 7.3 days
The month with the most sunshine days is November (8.9 days).
The month with the least sunshine days is June (5.4 days).
Average UV index in September
Namsskogan, Norway
- Average UV index in September: 2
The months with the highest UV index are June and July (UV index 3).
The months with the lowest UV index are January, February, March, October, November and December (UV index 1).
Average cloud cover in September
Namsskogan, Norway
- Average cloud cover in September: 66
The month with the most cloud cover is March (Cloud cover 75).
The month with the least cloud cover is July (Cloud cover 58).
Average visibility in September
Namsskogan, Norway
- Average visibility in September: 8km
The months with the highest visibility are June and July (9km).
The month with the lowest visibility is April (5km).
