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
September is characterized by a mild reduction in the average high-temperature, from a mild 14.3°C (57.7°F) in August to a frosty 9.8°C (49.6°F). Throughout September nights, Storlien experiences a consistent temperature average of 3.9°C (39°F).Humidity
In September, the average relative humidity in Storlien is 86%.Rainfall
In Storlien, during September, the rain falls for 18.2 days and regularly aggregates up to 69mm (2.72") of precipitation. In Storlien, during the entire year, the rain falls for 153.4 days and collects up to 889mm (35") of precipitation.Snowfall
Months with snowfall in Storlien are January through July, September through December. September is the first month it typically snows in Storlien, Sweden. Throughout September, in the average 2.5 snowfall days, it receives 50mm (1.97") of snow. Throughout the year, there are 161.2 snowfall days, and 3049mm (120.04") of snow is accumulated.Daylight
The average length of the day in September in Storlien is 12h and 59min.On the first day of September, sunrise is at 05:58 and sunset at 20:24. On the last day of the month, sunrise is at 07:18 and sunset at 18:44 CEST.
Sunshine
In Storlien, the average sunshine in September is 6h.UV index
The average daily maximum UV index in September is 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.Note: During September, 2 as the daily maximum UV index converts into the following advice:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Frequently asked questions
What are September temperatures in Storlien?
What is the average humidity in September in Storlien?
How much does it rain in Storlien in September?
When does it start snowing in Storlien?
How many hours of daylight does Storlien have in September?
When is the sunrise / sunset in September in Storlien?
How many hours of sunshine does Storlien have in September?
What is the UV index intensity in September in Storlien?
Average temperature in September
Storlien, Sweden
- Average high temperature in September: 9.8°C
The warmest month (with the highest average high temperature) is July (15.1°C).
The month with the lowest average high temperature is January (-5.6°C).
- Average low temperature in September: 3.9°C
The month with the highest average low temperature is July (7.3°C).
The coldest month (with the lowest average low temperature) is January (-10.4°C).
Average pressure in September
Storlien, Sweden
- Average pressure in September: 1011.2mbar
The month with the highest atmospheric pressure is May (1014.6mbar).
The month with the lowest atmospheric pressure is December (1005mbar).
Average wind speed in September
Storlien, Sweden
- Average wind speed in September: 12.4km/h
The windiest month (with the highest average wind speed) is January (14.7km/h).
The calmest month (with the lowest average wind speed) is July (10km/h).
Average humidity in September
Storlien, Sweden
- Average humidity in September: 86%
The month with the highest relative humidity is March (95%).
The month with the lowest relative humidity is June (78%).
Average rainfall in September
Storlien, Sweden
- Average rainfall in September: 69mm
The wettest month (with the highest rainfall) is January (92mm).
The driest month (with the least rainfall) is November (49mm).
Average rainfall days in September
Storlien, Sweden
- Average rainfall days in September: 18.2 days
The month with the highest number of rainy days is July (22.4 days).
The month with the least rainy days is February (5 days).
Average snowfall in September
Storlien, Sweden
- Average snowfall in September: 50mm
The month with the highest snowfall is March (469mm).
The month with the least snowfall is August (0mm).
Average snowfall days in September
Storlien, Sweden
- Average snowfall days in September: 2.5 days
The month with the highest number of snowfall days is March (24 days).
The month with the least snowfall days is August (0.1 days).
Average daylight in September /
Average sunshine in September
Storlien, 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 0min
The month with the most sunshine is July (Average sunshine: 9h and 6min).
The month with the least sunshine is December (Average sunshine: 1h and 6min).
Average sunshine days in September
Storlien, Sweden
- Average sunshine days in September: 9 days
The month with the most sunshine days is October (9.7 days).
The month with the least sunshine days is December (5.4 days).
Average UV index in September
Storlien, Sweden
- Average UV index in September: 2
The months with the highest UV index are 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
Storlien, Sweden
- Average cloud cover in September: 63
The month with the most cloud cover is March (Cloud cover 77).
The months with the least cloud cover are July and August (Cloud cover 59).
Average visibility in September
Storlien, Sweden
- Average visibility in September: 7km
The month with the highest visibility is June (9km).
The months with the lowest visibility are March and April (5km).
Storlien, Sweden
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