September weather forecastBarsebäckshamn, Sweden
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Barsebäckshamn, Sweden, with an average temperature varying between 17.2°C (63°F) and 11.6°C (52.9°F).Temperature
September signals a slight drop in average high-temperature, sliding from August's agreeable 20.9°C (69.6°F) to a comfortable 17.2°C (63°F). During September, the average low-temperature is a fresh 11.6°C (52.9°F).Humidity
In Barsebäckshamn, the average relative humidity in September is 78%.Rainfall
In Barsebäckshamn, in September, it is raining for 13.4 days, with typically 31mm (1.22") of accumulated precipitation. Throughout the year, in Barsebäckshamn, there are 165.1 rainfall days, and 367mm (14.45") of precipitation is accumulated.Snowfall
In Barsebäckshamn, snow does not fall in May through October.Daylight
In Barsebäckshamn, the average length of the day in September is 12h and 44min.On the first day of September, sunrise is at 06:14 and sunset at 20:02. On the last day of the month, sunrise is at 07:10 and sunset at 18:46 CEST.
Sunshine
In Barsebäckshamn, Sweden, the average sunshine in September is 7.8h.UV index
In September, the average daily maximum UV index in Barsebäckshamn is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: In September, a daily maximum UV index of 4 leads to the following instructions:
Undertake protective steps - Preventing sun damage is advised. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Barsebäckshamn, Sweden
- Average high temperature in September: 17.2°C
The warmest months (with the highest average high temperature) are July and August (20.9°C).
The month with the lowest average high temperature is January (2.3°C).
- Average low temperature in September: 11.6°C
The month with the highest average low temperature is August (14.3°C).
The coldest month (with the lowest average low temperature) is February (-0.8°C).
Average pressure in September
Barsebäckshamn, Sweden
- Average pressure in September: 1015.3mbar
The month with the highest atmospheric pressure is April (1015.6mbar).
The month with the lowest atmospheric pressure is December (1011.1mbar).
Average wind speed in September
Barsebäckshamn, Sweden
- Average wind speed in September: 15.4km/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 July (13.6km/h).
Average humidity in September
Barsebäckshamn, Sweden
- Average humidity in September: 78%
The months with the highest relative humidity are January, February and December (88%).
The months with the lowest relative humidity are April and May (73%).
Average rainfall in September
Barsebäckshamn, Sweden
- Average rainfall in September: 31mm
The wettest month (with the highest rainfall) is July (42mm).
The driest month (with the least rainfall) is April (16mm).
Average rainfall days in September
Barsebäckshamn, Sweden
- Average rainfall days in September: 13.4 days
The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is February (9.8 days).
Average snowfall in September
Barsebäckshamn, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is February (50mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Barsebäckshamn, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (9.3 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
Barsebäckshamn, Sweden
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 17h and 30min).
The month with the shortest days is December (Average daylight: 7h and 6min).
- Average sunshine in September: 7h and 48min
The month with the most sunshine is August (Average sunshine: 9h and 36min).
The month with the least sunshine is December (Average sunshine: 2h and 54min).
Average sunshine days in September
Barsebäckshamn, Sweden
- Average sunshine days in September: 13.3 days
The month with the most sunshine days is April (15.1 days).
The month with the least sunshine days is December (7.7 days).
Average UV index in September
Barsebäckshamn, 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
Barsebäckshamn, Sweden
- Average cloud cover in September: 47
The month with the most cloud cover is December (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 39).
Average visibility in September
Barsebäckshamn, Sweden
- Average visibility in September: 10km
The months with the highest visibility are April, June, August and September (10km).
The month with the lowest visibility is January (8km).





