September weather forecastÅstol, Sweden
September
Weather in September
September, the first month of the autumn in Åstol, is still a mild month, with temperature in the range of an average low of 12.4°C (54.3°F) and an average high of 15.5°C (59.9°F).Temperature
The commencement of September notes an average high-temperature of a mild 15.5°C (59.9°F), exhibiting little difference from the previous month. Åstol maintains an average of approximately a cool 12.4°C (54.3°F) during September nights, with only a minimal decrease from the daytime temperature.Humidity
In September, the average relative humidity in Åstol is 78%.Rainfall
In Åstol, Sweden, in September, it is raining for 16 days, with typically 54mm (2.13") of accumulated precipitation. In Åstol, during the entire year, the rain falls for 167.2 days and collects up to 552mm (21.73") of precipitation.Snowfall
In Åstol, snow does not fall in June through October.Daylight
In September, the average length of the day in Åstol is 12h and 48min.On the first day of the month, sunrise is at 06:15 and sunset at 20:11. On the last day of September, sunrise is at 07:16 and sunset at 18:50 CEST.
Sunshine
In Åstol, Sweden, the average sunshine in September is 7.7h.UV index
In Åstol, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index of 4 during September translates into these guidelines:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Åstol, Sweden
- Average high temperature in September: 15.5°C
The warmest month (with the highest average high temperature) is July (18.3°C).
The month with the lowest average high temperature is February (1.8°C).
- Average low temperature in September: 12.4°C
The month with the highest average low temperature is August (15°C).
The coldest month (with the lowest average low temperature) is February (-0.6°C).
Average pressure in September
Åstol, Sweden
- Average pressure in September: 1013.5mbar
The month with the highest atmospheric pressure is April (1014.5mbar).
The month with the lowest atmospheric pressure is December (1008.5mbar).
Average wind speed in September
Åstol, Sweden
- Average wind speed in September: 22.3km/h
The windiest month (with the highest average wind speed) is December (26km/h).
The calmest month (with the lowest average wind speed) is June (18.3km/h).
Average humidity in September
Åstol, Sweden
- Average humidity in September: 78%
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is May (75%).
Average rainfall in September
Åstol, Sweden
- Average rainfall in September: 54mm
The wettest month (with the highest rainfall) is August (76mm).
The driest month (with the least rainfall) is April (21mm).
Average rainfall days in September
Åstol, Sweden
- Average rainfall days in September: 16 days
The month with the highest number of rainy days is August (17.9 days).
The month with the least rainy days is February (8.8 days).
Average snowfall in September
Åstol, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is January (38mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in September
Åstol, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.5 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Åstol, Sweden
- Average daylight in September: 12h and 48min
The month with the longest days is June (Average daylight: 18h and 0min).
The month with the shortest days is December (Average daylight: 6h and 36min).
- Average sunshine in September: 7h and 42min
The month with the most sunshine is June (Average sunshine: 11h and 0min).
The months with the least sunshine are February, November and December (Average sunshine: 3h and 30min).
Average sunshine days in September
Åstol, Sweden
- Average sunshine days in September: 11.7 days
The month with the most sunshine days is April (17.2 days).
The month with the least sunshine days is December (9.4 days).
Average UV index in September
Åstol, Sweden
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Åstol, Sweden
- Average cloud cover in September: 46
The months with the most cloud cover are February, November and December (Cloud cover 64).
The month with the least cloud cover is July (Cloud cover 38).
Average visibility in September
Åstol, Sweden
- Average visibility in September: 10km
The months with the highest visibility are April, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, November and December (9km).





