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
The advent of September brings a subtle shift in temperature, with the average high moving from an agreeable 21.2°C (70.2°F) in August to an enjoyable 16.3°C (61.3°F). Runhällen cools down to an average low-temperature of 8.2°C (46.8°F) throughout the month of September.Humidity
The average relative humidity in September in Runhällen, Sweden, is 79%.Rainfall
In September, in Runhällen, Sweden, the rain falls for 12.6 days. Throughout September, 28mm (1.1") of precipitation is accumulated. In Runhällen, during the entire year, the rain falls for 138.7 days and collects up to 389mm (15.31") of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 52min.On the first day of the month, sunrise is at 05:49 and sunset at 19:56. On the last day of September, in Runhällen, sunrise is at 06:57 and sunset at 18:27 CEST.
Sunshine
In September, the average sunshine in Runhällen is 7.6h.UV index
In September, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: A maximum high UV index of 3 in September translates into the following recommendations:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Frequently asked questions
What are the temperatures in Runhällen in September?
What is the average humidity in September in Runhällen?
How much does it rain in Runhällen in September?
When it does not snow in Runhällen?
Does it snow in Runhällen in September?
What is the average length of the day in September in Runhällen?
When is the sunrise / sunset in September in Runhällen?
How long on average sun shines in September in Runhällen?
What is the UV index reading in September in Runhällen?
Average temperature in September
Runhällen, Sweden
- Average high temperature in September: 16.3°C
The warmest month (with the highest average high temperature) is July (22.2°C).
The month with the lowest average high temperature is January (-1.5°C).
- Average low temperature in September: 8.2°C
The month with the highest average low temperature is July (12.2°C).
The coldest month (with the lowest average low temperature) is January (-5.4°C).
Average pressure in September
Runhällen, Sweden
- Average pressure in September: 1013.1mbar
The month with the highest atmospheric pressure is May (1014.6mbar).
The month with the lowest atmospheric pressure is December (1007.4mbar).
Average wind speed in September
Runhällen, Sweden
- Average wind speed in September: 10.8km/h
The windiest month (with the highest average wind speed) is December (12.4km/h).
The calmest month (with the lowest average wind speed) is August (9.9km/h).
Average humidity in September
Runhällen, Sweden
- Average humidity in September: 79%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is May (69%).
Average rainfall in September
Runhällen, Sweden
- Average rainfall in September: 28mm
The wettest month (with the highest rainfall) is July (54mm).
The driest month (with the least rainfall) is April (19mm).
Average rainfall days in September
Runhällen, Sweden
- Average rainfall days in September: 12.6 days
The month with the highest number of rainy days is July (18.5 days).
The month with the least rainy days is February (5.4 days).
Average snowfall in September
Runhällen, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is January (133mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Runhällen, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Runhällen, Sweden
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 18h and 42min).
The month with the shortest days is December (Average daylight: 6h and 0min).
- Average sunshine in September: 7h and 4min
The month with the most sunshine is June (Average sunshine: 11h and 42min).
The month with the least sunshine is December (Average sunshine: 2h and 18min).
Average sunshine days in September
Runhällen, Sweden
- Average sunshine days in September: 14.4 days
The month with the most sunshine days is October (16.9 days).
The month with the least sunshine days is July (10.4 days).
Average UV index in September
Runhällen, Sweden
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February and November (UV index 1).
Average cloud cover in September
Runhällen, Sweden
- Average cloud cover in September: 50
The month with the most cloud cover is February (Cloud cover 69).
The month with the least cloud cover is July (Cloud cover 44).
Average visibility in September
Runhällen, Sweden
- Average visibility in September: 8km
The months with the highest visibility are April, May, June, July and August (9km).
The months with the lowest visibility are January, February, March, November and December (7km).
Runhällen, Sweden
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