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
Weather in September
Temperature
Undersåker's September weather features a light decline in high-temperatures, reducing from a mild 15.5°C (59.9°F) in August to a fresh 10.6°C (51.1°F). Throughout September, Undersåker witnesses a nighttime temperature average of 4.5°C (40.1°F).Humidity
In September, the average relative humidity is 84%.Rainfall
In Undersåker, Sweden, in September, it is raining for 14.6 days, with typically 50mm (1.97") of accumulated precipitation. In Undersåker, during the entire year, the rain falls for 140.5 days and collects up to 544mm (21.42") of precipitation.Snowfall
Months with snowfall in Undersåker are January through July, September through December. September is the first month it typically snows in Undersåker. Throughout September, in the average 2.5 snowfall days, it receives 42mm (1.65") of snow. Throughout the year, in Undersåker, there are 154.1 snowfall days, and 2028mm (79.84") of snow is accumulated.Daylight
In Undersåker, the average length of the day in September is 12h and 59min.On the first day of September, sunrise is at 05:53 and sunset at 20:19. On the last day of the month, sunrise is at 07:13 and sunset at 18:39 CEST.
Sunshine
In September, the average sunshine is 6.9h.UV index
In Undersåker, Sweden, the average daily maximum UV index in September is 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum high daily UV index of 2 during September translates into the following directions:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Frequently asked questions
What are the temperatures in Undersåker in September?
What is the average humidity in September in Undersåker?
How much does it rain in Undersåker in September?
When does it start snowing in Undersåker?
What is the average length of the day in September in Undersåker?
What time are sunrise and sunset in September in Undersåker?
How many hours of sunshine does Undersåker have in September?
How high is the UV index in September in Undersåker?
Average temperature in September
Undersåker, Sweden
- Average high temperature in September: 10.6°C
The warmest month (with the highest average high temperature) is July (16.5°C).
The month with the lowest average high temperature is January (-5.6°C).
- Average low temperature in September: 4.5°C
The month with the highest average low temperature is July (8.1°C).
The coldest months (with the lowest average low temperature) are January and February (-10.5°C).
Average pressure in September
Undersåker, Sweden
- 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 (1005.3mbar).
Average wind speed in September
Undersåker, Sweden
- Average wind speed in September: 12km/h
The windiest month (with the highest average wind speed) is June (13.5km/h).
The calmest month (with the lowest average wind speed) is August (10.4km/h).
Average humidity in September
Undersåker, Sweden
- Average humidity in September: 84%
The months with the highest relative humidity are January, February and March (93%).
The month with the lowest relative humidity is June (73%).
Average rainfall in September
Undersåker, Sweden
- Average rainfall in September: 50mm
The wettest month (with the highest rainfall) is July (59mm).
The driest month (with the least rainfall) is November (32mm).
Average rainfall days in September
Undersåker, Sweden
- Average rainfall days in September: 14.6 days
The month with the highest number of rainy days is July (18.9 days).
The month with the least rainy days is February (5.3 days).
Average snowfall in September
Undersåker, Sweden
- Average snowfall in September: 42mm
The month with the highest snowfall is March (332mm).
The month with the least snowfall is August (0mm).
Average snowfall days in September
Undersåker, Sweden
- Average snowfall days in September: 2.5 days
The month with the highest number of snowfall days is January (23.3 days).
The month with the least snowfall days is August (0 days).
Average daylight in September /
Average sunshine in September
Undersåker, Sweden
- Average daylight in September: 13h and 0min
The month with the longest days is June (Average daylight: 20h and 18min).
The month with the shortest days is December (Average daylight: 4h and 48min).
- Average sunshine in September: 6h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 1h and 24min).
Average sunshine days in September
Undersåker, Sweden
- Average sunshine days in September: 11.4 days
The month with the most sunshine days is September (11.4 days).
The month with the least sunshine days is December (5.5 days).
Average UV index in September
Undersåker, Sweden
- 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 January, February, March, November and December (UV index 1).
Average cloud cover in September
Undersåker, Sweden
- Average cloud cover in September: 58
The month with the most cloud cover is January (Cloud cover 68).
The months with the least cloud cover are July and August (Cloud cover 52).
Average visibility in September
Undersåker, Sweden
- Average visibility in September: 8km
The months with the highest visibility are June, July and August (9km).
The months with the lowest visibility are January, February and March (6km).
Undersåker, Sweden
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