September weather forecastHemavan, Sweden
September
Weather in September
The first month of the autumn, September, is still a chilly month in Hemavan, Sweden, with an average temperature ranging between max 7.5°C (45.5°F) and min 2.1°C (35.8°F).Temperature
Hemavan's September weather features a light decline in high-temperatures, reducing from a cool 12.4°C (54.3°F) in August to a frosty 7.5°C (45.5°F). Hemavan's September nights cool down to an average low-temperature of 2.1°C (35.8°F).Humidity
In September, the average relative humidity is 87%.Rainfall
In Hemavan, in September, it is raining for 17 days, with typically 53mm (2.09") of accumulated precipitation. In Hemavan, during the entire year, the rain falls for 119.6 days and collects up to 648mm (25.51") of precipitation.Snowfall
Months with snowfall in Hemavan, Sweden, are January through June, September through December. September is the first month it typically snows in Hemavan. Throughout September, in the average 4.5 snowfall days, it receives 57mm (2.24") of snow. Throughout the year, in Hemavan, there are 172.2 snowfall days, and 2551mm (100.43") of snow is accumulated.Daylight
In September, the average length of the day in Hemavan is 13h and 6min.On the first day of the month, sunrise is at 05:37 and sunset at 20:21. On the last day of September, in Hemavan, Sweden, sunrise is at 07:08 and sunset at 18:30 CEST.
Sunshine
In Hemavan, Sweden, the average sunshine in September is 4.8h.UV index
January through April, September through December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The daily maximum UV index of 1 in September interprets into the following advice:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Hemavan, Sweden
- Average high temperature in September: 7.5°C
The warmest month (with the highest average high temperature) is July (14.2°C).
The month with the lowest average high temperature is January (-8.8°C).
- Average low temperature in September: 2.1°C
The month with the highest average low temperature is July (6.8°C).
The coldest months (with the lowest average low temperature) are January and February (-14.3°C).
Average pressure in September
Hemavan, Sweden
- Average pressure in September: 1010.6mbar
The month with the highest atmospheric pressure is May (1014.5mbar).
The month with the lowest atmospheric pressure is December (1004mbar).
Average wind speed in September
Hemavan, Sweden
- Average wind speed in September: 11.8km/h
The windiest month (with the highest average wind speed) is March (13.9km/h).
The calmest month (with the lowest average wind speed) is August (10.7km/h).
Average humidity in September
Hemavan, Sweden
- Average humidity in September: 87%
The months with the highest relative humidity are January, February and December (95%).
The month with the lowest relative humidity is June (75%).
Average rainfall in September
Hemavan, Sweden
- Average rainfall in September: 53mm
The wettest month (with the highest rainfall) is January (82mm).
The driest month (with the least rainfall) is November (37mm).
Average rainfall days in September
Hemavan, Sweden
- Average rainfall days in September: 17 days
The month with the highest number of rainy days is July (20.1 days).
The month with the least rainy days is February (2.1 days).
Average snowfall in September
Hemavan, Sweden
- Average snowfall in September: 57mm
The month with the highest snowfall is January (541mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in September
Hemavan, Sweden
- Average snowfall days in September: 4.5 days
The month with the highest number of snowfall days is March (24.8 days).
The month with the least snowfall days is August (0 days).
Average daylight in September /
Average sunshine in September
Hemavan, Sweden
- Average daylight in September: 13h and 6min
The month with the longest days is July (Average daylight: 20h and 42min).
The month with the shortest days is December (Average daylight: 3h and 18min).
- Average sunshine in September: 4h and 48min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The months with the least sunshine are January and December (Average sunshine: 0h and 54min).
Average sunshine days in September
Hemavan, Sweden
- Average sunshine days in September: 8.7 days
The month with the most sunshine days is November (10.8 days).
The month with the least sunshine days is March (5.8 days).
Average UV index in September
Hemavan, Sweden
- Average UV index in September: 1
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, April, September, October, November and December (UV index 1).
Average cloud cover in September
Hemavan, Sweden
- Average cloud cover in September: 69
The months with the most cloud cover are January and December (Cloud cover 80).
The month with the least cloud cover is July (Cloud cover 56).
Average visibility in September
Hemavan, Sweden
- Average visibility in September: 7km
The months with the highest visibility are June and July (9km).
The months with the lowest visibility are January, February, April and December (5km).





