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
September
Weather in September
Temperature
September's onset introduces a mild reduction in the average high-temperature, from a refreshing 17.6°C (63.7°F) in August to a moderate 13.3°C (55.9°F). Nighttime, during September, brings an average low of 8.4°C (47.1°F), a modest reduction from the day's peak.Humidity
The average relative humidity in September is 79%.Rainfall
In Åkullsjön, Sweden, in September, it is raining for 13.4 days, with typically 30mm (1.18") of accumulated precipitation. Throughout the year, there are 125.3 rainfall days, and 392mm (15.43") of precipitation is accumulated.Snowfall
In Åkullsjön, snow does not fall in June through September.Daylight
The average length of the day in September is 13h and 2min.On the first day of September, sunrise is at 05:21 and sunset at 19:54. On the last day of the month, sunrise is at 06:45 and sunset at 18:10 CEST.
Sunshine
The average sunshine in September 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 unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 3 during September translates into the following guidance:
Guard yourself - An obligation to protect skin and eyes from harm exists. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Åkullsjön in September?
What is the average humidity in September in Åkullsjön?
How many days does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Åkullsjön have in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Åkullsjön have in September?
What is the UV index intensity in September?
Average temperature in September
Åkullsjön, Sweden
- Average high temperature in September: 13.3°C
The warmest month (with the highest average high temperature) is July (18.3°C).
The month with the lowest average high temperature is January (-3.9°C).
- Average low temperature in September: 8.4°C
The month with the highest average low temperature is July (12.4°C).
The coldest month (with the lowest average low temperature) is February (-8.3°C).
Average pressure in September
Åkullsjön, Sweden
- Average pressure in September: 1011.4mbar
The month with the highest atmospheric pressure is May (1014.2mbar).
The month with the lowest atmospheric pressure is December (1005.2mbar).
Average wind speed in September
Åkullsjön, Sweden
- Average wind speed in September: 14.8km/h
The windiest month (with the highest average wind speed) is December (17.3km/h).
The calmest month (with the lowest average wind speed) is July (12.6km/h).
Average humidity in September
Åkullsjön, Sweden
- Average humidity in September: 79%
The month with the highest relative humidity is February (92%).
The month with the lowest relative humidity is June (69%).
Average rainfall in September
Åkullsjön, Sweden
- Average rainfall in September: 30mm
The wettest month (with the highest rainfall) is July (43mm).
The driest month (with the least rainfall) is April (23mm).
Average rainfall days in September
Åkullsjön, Sweden
- Average rainfall days in September: 13.4 days
The month with the highest number of rainy days is August (15 days).
The month with the least rainy days is February (3.5 days).
Average snowfall in September
Åkullsjön, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is March (191mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Åkullsjön, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Åkullsjön, Sweden
- Average daylight in September: 13h and 0min
The month with the longest days is June (Average daylight: 21h and 0min).
The month with the shortest days is December (Average daylight: 4h and 18min).
- Average sunshine in September: 7h and 4min
The month with the most sunshine is June (Average sunshine: 13h and 0min).
The month with the least sunshine is December (Average sunshine: 1h and 30min).
Average sunshine days in September
Åkullsjön, Sweden
- Average sunshine days in September: 14.8 days
The month with the most sunshine days is October (15.9 days).
The month with the least sunshine days is April (10.6 days).
Average UV index in September
Åkullsjön, Sweden
- Average UV index in September: 3
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in September
Åkullsjön, Sweden
- Average cloud cover in September: 46
The month with the most cloud cover is January (Cloud cover 66).
The months with the least cloud cover are June, July and August (Cloud cover 39).
Average visibility in September
Åkullsjön, Sweden
- Average visibility in September: 9km
The months with the highest visibility are June and July (10km).
The months with the lowest visibility are January, February, March and April (8km).
