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 is marked by a subtle drop in average high-temperatures, transitioning from a mild 14.3°C (57.7°F) in August to a frosty 9.8°C (49.6°F). Throughout September, the nighttime temperature in Alvdal averages to a wintry 3.2°C (37.8°F).Humidity
The average relative humidity in September is 84%.Rainfall
In Alvdal, during September, the rain falls for 10.5 days and regularly aggregates up to 23mm (0.91") of precipitation. In Alvdal, Norway, during the entire year, the rain falls for 105.7 days and collects up to 278mm (10.94") of precipitation.Snowfall
Months with snowfall in Alvdal are January through July, September through December. September is the first month it typically snows in Alvdal, Norway. Throughout September, in the average 2 snowfall days, it receives 28mm (1.1") of snow. In Alvdal, during the entire year, snow falls for 112.8 days and aggregates up to 659mm (25.94") of snow.Daylight
The average length of the day in September is 12h and 56min.On the first day of the month, sunrise is at 06:08 and sunset at 20:26. On the last day of September, in Alvdal, sunrise is at 07:23 and sunset at 18:51 CEST.
Sunshine
In September, the average sunshine in Alvdal, Norway, is 7h.UV index
In September, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the average person.Note: A maximum high UV index of 2 in September translates into the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Alvdal in September?
What is the average humidity in September in Alvdal?
How much does it rain in Alvdal in September?
When does it start to snow in Alvdal?
What is the average length of the day in September in Alvdal?
What time are sunrise and sunset in September in Alvdal?
How many hours of sunshine does Alvdal have in September?
What is the UV index reading in September in Alvdal?
Average temperature in September
Alvdal, Norway
- Average high temperature in September: 9.8°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 (-6.6°C).
- Average low temperature in September: 3.2°C
The month with the highest average low temperature is July (7.1°C).
The coldest month (with the lowest average low temperature) is January (-12.3°C).
Average pressure in September
Alvdal, Norway
- Average pressure in September: 1011.5mbar
The month with the highest atmospheric pressure is May (1014.6mbar).
The month with the lowest atmospheric pressure is December (1005.8mbar).
Average wind speed in September
Alvdal, Norway
- Average wind speed in September: 14.7km/h
The windiest month (with the highest average wind speed) is January (15.8km/h).
The calmest months (with the lowest average wind speed) are April and August (12.7km/h).
Average humidity in September
Alvdal, Norway
- Average humidity in September: 84%
The months with the highest relative humidity are January, February, March, April and December (93%).
The month with the lowest relative humidity is June (74%).
Average rainfall in September
Alvdal, Norway
- Average rainfall in September: 23mm
The wettest month (with the highest rainfall) is July (42mm).
The driest month (with the least rainfall) is December (13mm).
Average rainfall days in September
Alvdal, Norway
- Average rainfall days in September: 10.5 days
The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is January (3.5 days).
Average snowfall in September
Alvdal, Norway
- Average snowfall in September: 28mm
The month with the highest snowfall is February (94mm).
The month with the least snowfall is August (0mm).
Average snowfall days in September
Alvdal, Norway
- Average snowfall days in September: 2 days
The month with the highest number of snowfall days is December (16.4 days).
The month with the least snowfall days is August (0 days).
Average daylight in September /
Average sunshine in September
Alvdal, Norway
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 19h and 36min).
The month with the shortest days is December (Average daylight: 5h and 18min).
- Average sunshine in September: 7h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 1h and 18min).
Average sunshine days in September
Alvdal, Norway
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is October (16.1 days).
The month with the least sunshine days is July (10.3 days).
Average UV index in September
Alvdal, Norway
- Average UV index in September: 2
The months with the highest UV index are May, June, July and August (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
Alvdal, Norway
- Average cloud cover in September: 57
The month with the most cloud cover is March (Cloud cover 70).
The month with the least cloud cover is July (Cloud cover 54).
Average visibility in September
Alvdal, Norway
- Average visibility in September: 9km
The months with the highest visibility are June, July, August and September (9km).
The month with the lowest visibility is April (6km).
