September weather forecastStoruman, Sweden
September
Weather in September
September, the first month of the autumn in Storuman, is still a cool month, with temperature in the range of an average low of 4°C (39.2°F) and an average high of 10.5°C (50.9°F).Temperature
With the beginning of September, the average high-temperature shows a decrease, transitioning from a moderate 15.9°C (60.6°F) in August to a cool 10.5°C (50.9°F). The low-temperature averages to a wintry 4°C (39.2°F) during the nights of September.Humidity
In September, the average relative humidity is 83%.Rainfall
In Storuman, in September, it is raining for 12.5 days, with typically 36mm (1.42") of accumulated precipitation. Throughout the year, there are 117.1 rainfall days, and 452mm (17.8") of precipitation is accumulated.Snowfall
January through June, September through December are months with snowfall. September is the first month it typically snows. Throughout September, in the average 0.7 snowfall days, it receives 5mm (0.2") of snow. Throughout the year, there are 134.3 snowfall days, and 1722mm (67.8") of snow is accumulated.Daylight
In Storuman, the average length of the day in September is 13h and 4min.On the first day of the month, sunrise is at 05:32 and sunset at 20:10. On the last day of September, in Storuman, sunrise is at 06:59 and sunset at 18:22 CEST.
Sunshine
The average sunshine in September is 6.3h.UV index
In September, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The daily maximum UV index of 2 in September interprets into the following advice:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Storuman, Sweden
- Average high temperature in September: 10.5°C
The warmest month (with the highest average high temperature) is July (17.9°C).
The month with the lowest average high temperature is January (-7.5°C).
- Average low temperature in September: 4°C
The month with the highest average low temperature is July (8.8°C).
The coldest months (with the lowest average low temperature) are January and February (-12.8°C).
Average pressure in September
Storuman, Sweden
- Average pressure in September: 1011.3mbar
The month with the highest atmospheric pressure is May (1014.5mbar).
The month with the lowest atmospheric pressure is December (1005.3mbar).
Average wind speed in September
Storuman, Sweden
- Average wind speed in September: 10.6km/h
The windiest month (with the highest average wind speed) is March (12.2km/h).
The calmest month (with the lowest average wind speed) is August (9.5km/h).
Average humidity in September
Storuman, Sweden
- Average humidity in September: 83%
The month with the highest relative humidity is January (95%).
The month with the lowest relative humidity is June (66%).
Average rainfall in September
Storuman, Sweden
- Average rainfall in September: 36mm
The wettest month (with the highest rainfall) is July (54mm).
The driest month (with the least rainfall) is April (28mm).
Average rainfall days in September
Storuman, Sweden
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is February (3.4 days).
Average snowfall in September
Storuman, Sweden
- Average snowfall in September: 5mm
The month with the highest snowfall is December (351mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in September
Storuman, Sweden
- Average snowfall days in September: 0.7 days
The month with the highest number of snowfall days is January (22.5 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Storuman, Sweden
- Average daylight in September: 13h and 6min
The month with the longest days is June (Average daylight: 21h and 48min).
The month with the shortest days is December (Average daylight: 3h and 48min).
- Average sunshine in September: 6h and 18min
The month with the most sunshine is June (Average sunshine: 11h and 36min).
The month with the least sunshine is December (Average sunshine: 1h and 18min).
Average sunshine days in September
Storuman, Sweden
- Average sunshine days in September: 14.7 days
The month with the most sunshine days is September (14.7 days).
The month with the least sunshine days is April (8.4 days).
Average UV index in September
Storuman, Sweden
- Average UV index in September: 2
The months with the highest UV index are June and 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
Storuman, Sweden
- Average cloud cover in September: 58
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is June (Cloud cover 48).
Average visibility in September
Storuman, Sweden
- Average visibility in September: 8km
The month with the highest visibility is June (10km).
The month with the lowest visibility is January (5km).
