September weather forecastAsperö, Sweden
September
Weather in September
September, the first month of the autumn in Asperö, is still a mild month, with an average temperature ranging between max 15.8°C (60.4°F) and min 12.7°C (54.9°F).Temperature
In September, Asperö experiences a minor shift in meteorological conditions with average high-temperatures marked at a moderate 15.8°C (60.4°F), closely mirroring the climate in August. September nights experience a minor temperature downturn to a cool 12.7°C (54.9°F).Humidity
In Asperö, the average relative humidity in September is 78%.Rainfall
In Asperö, in September, it is raining for 11.2 days, with typically 16mm (0.63") of accumulated precipitation. Throughout the year, in Asperö, Sweden, there are 123.7 rainfall days, and 186mm (7.32") of precipitation is accumulated.Snowfall
In Asperö, snow does not fall in April through October.Daylight
In September, the average length of the day is 12h and 47min.On the first day of the month, sunrise is at 06:14 and sunset at 20:10. On the last day of September, sunrise is at 07:15 and sunset at 18:49 CEST.
Sunshine
The average sunshine in September is 8.1h.UV index
The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index, 4 in September, converts into the following recommendations:
Make use of precautions - It is urged to ward off sun damage. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Asperö, Sweden
- Average high temperature in September: 15.8°C
The warmest month (with the highest average high temperature) is July (18.5°C).
The month with the lowest average high temperature is February (1.8°C).
- Average low temperature in September: 12.7°C
The month with the highest average low temperature is August (15.3°C).
The coldest month (with the lowest average low temperature) is February (-0.3°C).
Average pressure in September
Asperö, Sweden
- Average pressure in September: 1013.7mbar
The month with the highest atmospheric pressure is April (1014.7mbar).
The month with the lowest atmospheric pressure is December (1008.8mbar).
Average wind speed in September
Asperö, Sweden
- Average wind speed in September: 22.6km/h
The windiest month (with the highest average wind speed) is December (27km/h).
The calmest month (with the lowest average wind speed) is June (18.4km/h).
Average humidity in September
Asperö, 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
Asperö, Sweden
- Average rainfall in September: 16mm
The wettest month (with the highest rainfall) is August (21mm).
The driest month (with the least rainfall) is April (8mm).
Average rainfall days in September
Asperö, Sweden
- Average rainfall days in September: 11.2 days
The month with the highest number of rainy days is August (13.6 days).
The month with the least rainy days is February (7.7 days).
Average snowfall in September
Asperö, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is January (12mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Asperö, Sweden
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is January (5.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Asperö, 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 42min).
- Average sunshine in September: 8h and 6min
The month with the most sunshine is June (Average sunshine: 11h and 18min).
The months with the least sunshine are January, February and November (Average sunshine: 3h and 42min).
Average sunshine days in September
Asperö, Sweden
- Average sunshine days in September: 14.5 days
The month with the most sunshine days is March (19.8 days).
The month with the least sunshine days is August (13.3 days).
Average UV index in September
Asperö, Sweden
- Average UV index in September: 4
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in September
Asperö, Sweden
- Average cloud cover in September: 45
The months with the most cloud cover are February and November (Cloud cover 62).
The month with the least cloud cover is June (Cloud cover 36).
Average visibility in September
Asperö, Sweden
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
