September weather forecastKullavik, Sweden
September
Weather in September
The first month of the autumn, September, is also an enjoyable month in Kullavik, Sweden, with an average temperature ranging between max 16°C (60.8°F) and min 11.5°C (52.7°F).Temperature
Kullavik's September weather shows a modest shift in high-temperatures, falling from August's refreshing 19.3°C (66.7°F) to a still enjoyable 16°C (60.8°F). Kullavik experiences an average nighttime temperature of 11.5°C (52.7°F) in September, reflecting a minor difference from the day's peak.Humidity
The average relative humidity in September is 79%.Rainfall
In Kullavik, in September, it is raining for 16.7 days, with typically 54mm (2.13") of accumulated precipitation. Throughout the year, there are 175.7 rainfall days, and 549mm (21.61") of precipitation is accumulated.Snowfall
In Kullavik, snow does not fall in June through September.Daylight
In Kullavik, the average length of the day in September is 12h and 47min.On the first day of September in Kullavik, sunrise is at 06:14 and sunset at 20:09. On the last day of the month, sunrise is at 07:15 and sunset at 18:48 CEST.
Sunshine
In September, the average sunshine is 7.4h.UV index
In September, the average daily maximum UV index is 4. 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: In September, a regular UV index of 4 translates into these guidelines:
Guard yourself - Avoiding sunburn is suggested. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. 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
Kullavik, Sweden
- Average high temperature in September: 16°C
The warmest month (with the highest average high temperature) is July (19.5°C).
The month with the lowest average high temperature is February (1.7°C).
- Average low temperature in September: 11.5°C
The month with the highest average low temperature is August (14.2°C).
The coldest month (with the lowest average low temperature) is February (-1.4°C).
Average pressure in September
Kullavik, Sweden
- Average pressure in September: 1014mbar
The month with the highest atmospheric pressure is April (1014.8mbar).
The month with the lowest atmospheric pressure is December (1009mbar).
Average wind speed in September
Kullavik, Sweden
- Average wind speed in September: 18.2km/h
The windiest month (with the highest average wind speed) is December (22.1km/h).
The calmest month (with the lowest average wind speed) is June (15.9km/h).
Average humidity in September
Kullavik, Sweden
- Average humidity in September: 79%
The months with the highest relative humidity are January, February and December (86%).
The months with the lowest relative humidity are April and May (74%).
Average rainfall in September
Kullavik, Sweden
- Average rainfall in September: 54mm
The wettest month (with the highest rainfall) is August (68mm).
The driest month (with the least rainfall) is April (23mm).
Average rainfall days in September
Kullavik, Sweden
- Average rainfall days in September: 16.7 days
The month with the highest number of rainy days is August (19.5 days).
The month with the least rainy days is February (9.4 days).
Average snowfall in September
Kullavik, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is February (42mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Kullavik, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Kullavik, Sweden
- Average daylight in September: 12h and 48min
The month with the longest days is June (Average daylight: 17h and 54min).
The month with the shortest days is December (Average daylight: 6h and 42min).
- Average sunshine in September: 7h and 24min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The months with the least sunshine are February and November (Average sunshine: 3h and 24min).
Average sunshine days in September
Kullavik, Sweden
- Average sunshine days in September: 10.8 days
The month with the most sunshine days is April (16.3 days).
The month with the least sunshine days is August (9.5 days).
Average UV index in September
Kullavik, 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
Kullavik, Sweden
- Average cloud cover in September: 49
The month with the most cloud cover is November (Cloud cover 66).
The month with the least cloud cover is June (Cloud cover 40).
Average visibility in September
Kullavik, Sweden
- Average visibility in September: 10km
The months with the highest visibility are April, May, June, July, August and September (10km).
The months with the lowest visibility are January, February, March, October, November and December (9km).





