September weather forecastOnslunda, Sweden
September
Weather in September
September, the first month of the autumn in Onslunda, is also an enjoyable month, with an average temperature varying between 11.8°C (53.2°F) and 17.2°C (63°F).Temperature
The onset of September brings a small shift in high-temperatures, falling from a pleasant 20.7°C (69.3°F) in August to a comfortable 17.2°C (63°F). In September, the recorded average low-temperature in Onslunda is a fresh 11.8°C (53.2°F).Humidity
In September, the average relative humidity in Onslunda is 78%.Rainfall
In Onslunda, during September, the rain falls for 13.1 days and regularly aggregates up to 31mm (1.22") of precipitation. Throughout the year, in Onslunda, there are 155.9 rainfall days, and 408mm (16.06") of precipitation is accumulated.Snowfall
May through October are months without snowfall in Onslunda.Daylight
In Onslunda, the average length of the day in September is 12h and 44min.On the first day of the month, sunrise is at 06:10 and sunset at 19:57. On the last day of September, in Onslunda, Sweden, sunrise is at 07:05 and sunset at 18:41 CEST.
Sunshine
In Onslunda, the average sunshine in September is 7.9h.UV index
In Onslunda, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: In September, a regular UV index of 4 translates into these guidelines:
Take precautions - Protection against skin and eye damage is obliged. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Onslunda, Sweden
- Average high temperature in September: 17.2°C
The warmest month (with the highest average high temperature) is July (20.8°C).
The month with the lowest average high temperature is January (2.3°C).
- Average low temperature in September: 11.8°C
The month with the highest average low temperature is August (14.6°C).
The coldest month (with the lowest average low temperature) is February (-0.5°C).
Average pressure in September
Onslunda, Sweden
- Average pressure in September: 1015.5mbar
The month with the highest atmospheric pressure is April (1015.7mbar).
The month with the lowest atmospheric pressure is December (1011.4mbar).
Average wind speed in September
Onslunda, Sweden
- Average wind speed in September: 17.3km/h
The windiest month (with the highest average wind speed) is December (20.5km/h).
The calmest month (with the lowest average wind speed) is August (15.2km/h).
Average humidity in September
Onslunda, Sweden
- Average humidity in September: 78%
The months with the highest relative humidity are January, February and December (87%).
The months with the lowest relative humidity are April, May, June and July (75%).
Average rainfall in September
Onslunda, Sweden
- Average rainfall in September: 31mm
The wettest month (with the highest rainfall) is July (43mm).
The driest month (with the least rainfall) is April (16mm).
Average rainfall days in September
Onslunda, Sweden
- Average rainfall days in September: 13.1 days
The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is February (9.3 days).
Average snowfall in September
Onslunda, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is January (66mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Onslunda, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Onslunda, Sweden
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 17h and 24min).
The month with the shortest days is December (Average daylight: 7h and 12min).
- Average sunshine in September: 7h and 54min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is December (Average sunshine: 2h and 42min).
Average sunshine days in September
Onslunda, Sweden
- Average sunshine days in September: 13 days
The month with the most sunshine days is April (17.3 days).
The month with the least sunshine days is December (8.1 days).
Average UV index in September
Onslunda, Sweden
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Onslunda, Sweden
- Average cloud cover in September: 45
The month with the most cloud cover is December (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in September
Onslunda, Sweden
- Average visibility in September: 10km
The months with the highest visibility are April, June, July, August and September (10km).
The months with the lowest visibility are January, February, March, May, October, November and December (9km).





