September weather forecastAlveim, Norway
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Alveim, Norway, with an average temperature varying between 11.9°C (53.4°F) and 14°C (57.2°F).Temperature
Alveim transitions into September recording an average high-temperature of a still mild 14°C (57.2°F), closely aligning with the preceding month's temperature. Alveim's nights throughout September are marked by an average low temperature of 11.9°C (53.4°F), a minor drop from the day's high.Humidity
The average relative humidity in September is 78%.Rainfall
In Alveim, during September, the rain falls for 21.3 days and regularly aggregates up to 136mm (5.35") of precipitation. In Alveim, during the entire year, the rain falls for 229.2 days and collects up to 1381mm (54.37") of precipitation.Snowfall
In Alveim, Norway, snow does not fall in June through September.Daylight
In September, the average length of the day in Alveim is 12h and 53min.On the first day of the month, sunrise is at 06:35 and sunset at 20:45. On the last day of September, sunrise is at 07:45 and sunset at 19:15 CEST.
Sunshine
In September, the average sunshine is 5.9h.UV index
In Alveim, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum UV index of 3 in September translates into the following recommendations:
Be vigilant - Preventing sunburn is recommended. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Alveim, Norway
- Average high temperature in September: 14°C
The warmest month (with the highest average high temperature) is August (15.7°C).
The month with the lowest average high temperature is February (4.3°C).
- Average low temperature in September: 11.9°C
The month with the highest average low temperature is August (13.3°C).
The coldest month (with the lowest average low temperature) is February (2.3°C).
Average pressure in September
Alveim, Norway
- Average pressure in September: 1011.6mbar
The month with the highest atmospheric pressure is May (1014.8mbar).
The month with the lowest atmospheric pressure is December (1005mbar).
Average wind speed in September
Alveim, Norway
- Average wind speed in September: 23km/h
The windiest month (with the highest average wind speed) is January (29.5km/h).
The calmest month (with the lowest average wind speed) is July (18.5km/h).
Average humidity in September
Alveim, Norway
- Average humidity in September: 78%
The month with the highest relative humidity is July (81%).
The month with the lowest relative humidity is November (73%).
Average rainfall in September
Alveim, Norway
- Average rainfall in September: 136mm
The wettest month (with the highest rainfall) is October (178mm).
The driest month (with the least rainfall) is June (56mm).
Average rainfall days in September
Alveim, Norway
- Average rainfall days in September: 21.3 days
The month with the highest number of rainy days is December (22.5 days).
The month with the least rainy days is June (14.7 days).
Average snowfall in September
Alveim, Norway
- Average snowfall in September: 0mm
The month with the highest snowfall is February (51mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Alveim, Norway
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (6.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Alveim, Norway
- Average daylight in September: 12h and 54min
The month with the longest days is June (Average daylight: 18h and 54min).
The month with the shortest days is December (Average daylight: 5h and 48min).
- Average sunshine in September: 5h and 54min
The month with the most sunshine is June (Average sunshine: 9h and 36min).
The months with the least sunshine are January and December (Average sunshine: 2h and 12min).
Average sunshine days in September
Alveim, Norway
- Average sunshine days in September: 7.7 days
The month with the most sunshine days is June (13.5 days).
The month with the least sunshine days is December (5.4 days).
Average UV index in September
Alveim, Norway
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (UV index 4).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in September
Alveim, Norway
- Average cloud cover in September: 58
The months with the most cloud cover are January and December (Cloud cover 68).
The month with the least cloud cover is May (Cloud cover 47).
Average visibility in September
Alveim, Norway
- Average visibility in September: 9km
The months with the highest visibility are May, June, July and August (10km).
The months with the lowest visibility are January, February, March, April, September, October, November and December (9km).





