September weather forecastOmberg, Sweden
September
Weather in September
The first month of the autumn, September, is also a moderate month in Omberg, Sweden, with an average temperature fluctuating between 15.4°C (59.7°F) and 10.1°C (50.2°F).Temperature
The average high-temperature slightly decreases in September, shifting from a refreshing 19.2°C (66.6°F) in August to a mild 15.4°C (59.7°F). During the nights in September, the temperature in Omberg averages to a cool 10.1°C (50.2°F).Humidity
In Omberg, Sweden, the average relative humidity in September is 80%.Rainfall
In Omberg, Sweden, in September, during 9.8 rainfall days, 15mm (0.59") of precipitation is typically accumulated. Throughout the year, there are 112.6 rainfall days, and 215mm (8.46") of precipitation is accumulated.Snowfall
June through September are months without snowfall in Omberg, Sweden.Daylight
In Omberg, the average length of the day in September is 12h and 49min.On the first day of September in Omberg, sunrise is at 06:01 and sunset at 20:00. On the last day of the month, sunrise is at 07:04 and sunset at 18:37 CEST.
Sunshine
In Omberg, Sweden, the average sunshine in September is 7.8h.UV index
In Omberg, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 3 during September leads to these advisories:
Act with care - Obligation to protect against skin and eye damage is highlighted. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. 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
Omberg, Sweden
- Average high temperature in September: 15.4°C
The warmest month (with the highest average high temperature) is July (19.9°C).
The month with the lowest average high temperature is January (-0.1°C).
- Average low temperature in September: 10.1°C
The months with the highest average low temperature are July and August (13°C).
The coldest month (with the lowest average low temperature) is February (-2.8°C).
Average pressure in September
Omberg, Sweden
- Average pressure in September: 1013.9mbar
The month with the highest atmospheric pressure is May (1014.7mbar).
The month with the lowest atmospheric pressure is December (1008.8mbar).
Average wind speed in September
Omberg, Sweden
- Average wind speed in September: 16.1km/h
The windiest month (with the highest average wind speed) is December (18.3km/h).
The calmest month (with the lowest average wind speed) is May (13.2km/h).
Average humidity in September
Omberg, Sweden
- Average humidity in September: 80%
The months with the highest relative humidity are January, February and December (88%).
The month with the lowest relative humidity is May (72%).
Average rainfall in September
Omberg, Sweden
- Average rainfall in September: 15mm
The wettest month (with the highest rainfall) is July (34mm).
The driest month (with the least rainfall) is April (7mm).
Average rainfall days in September
Omberg, Sweden
- Average rainfall days in September: 9.8 days
The month with the highest number of rainy days is July (14.8 days).
The month with the least rainy days is February (4.6 days).
Average snowfall in September
Omberg, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is February (49mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Omberg, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Omberg, Sweden
- Average daylight in September: 12h and 48min
The month with the longest days is June (Average daylight: 18h and 12min).
The month with the shortest days is December (Average daylight: 6h and 30min).
- Average sunshine in September: 7h and 48min
The month with the most sunshine is June (Average sunshine: 11h and 48min).
The months with the least sunshine are February and December (Average sunshine: 3h and 12min).
Average sunshine days in September
Omberg, Sweden
- Average sunshine days in September: 17.5 days
The month with the most sunshine days is April (18.3 days).
The month with the least sunshine days is July (13.6 days).
Average UV index in September
Omberg, Sweden
- Average UV index in September: 3
The month with the highest UV index is July (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Omberg, Sweden
- Average cloud cover in September: 47
The months with the most cloud cover are February and December (Cloud cover 68).
The month with the least cloud cover is June (Cloud cover 40).
Average visibility in September
Omberg, Sweden
- Average visibility in September: 10km
The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January, February, March, April, May, October, November and December (9km).





