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
With the commencement of September, Tomter records a moderate temperature decline, with the average high easing from August's comfortable 18.7°C (65.7°F) to a still refreshing 15.3°C (59.5°F). Throughout the month of September, the average temperature in Tomter, Norway, dips to a frosty 9.6°C (49.3°F) at night.Humidity
The average relative humidity in September in Tomter is 78%.Rainfall
In Tomter, Norway, in September, during 10.5 rainfall days, 44mm (1.73") of precipitation is typically accumulated. In Tomter, during the entire year, the rain falls for 117.6 days and collects up to 433mm (17.05") of precipitation.Snowfall
May through September are months without snowfall in Tomter.Daylight
In Tomter, the average length of the day in September is 12h and 51min.On the first day of September, sunrise is at 06:13 and sunset at 20:18. On the last day of the month, sunrise is at 07:20 and sunset at 18:51 CEST.
Sunshine
In September, the average sunshine is 8.2h.UV index
In Tomter, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, the maximum UV index of 4 suggests these recommendations:
Ensure safety - Sun damage prevention is strongly urged. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Tomter?
What is the average humidity in September in Tomter?
How many days does it rain in September in Tomter?
When it does not snow in Tomter?
Does it snow in Tomter in September?
What is the average length of the day in September in Tomter?
What time are sunrise and sunset in September in Tomter?
How long on average sun shines in September in Tomter?
How high is the UV index in September in Tomter?
Average temperature in September
Tomter, 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
Tomter, 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
Tomter, 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
Tomter, 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
Tomter, 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
Tomter, 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
Tomter, 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
Tomter, 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
Tomter, 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 6min).
- 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
Tomter, 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
Tomter, 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
Tomter, 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
Tomter, 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).
