September weather forecastOtterbäcken, Sweden
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Otterbäcken, Sweden, with an average temperature ranging between min 11°C (51.8°F) and max 15.5°C (59.9°F).Temperature
The average high-temperature shows a slight dip in September, from August's comfortable 19.2°C (66.6°F) to a moderate 15.5°C (59.9°F). A modest dip in temperatures to an average of 11°C (51.8°F) is observed throughout Otterbäcken's September nights.Humidity
The average relative humidity in September in Otterbäcken is 78%.Rainfall
In Otterbäcken, during September, the rain falls for 13.2 days and regularly aggregates up to 36mm (1.42") of precipitation. In Otterbäcken, during the entire year, the rain falls for 141.2 days and collects up to 368mm (14.49") of precipitation.Snowfall
June through September are months without snowfall in Otterbäcken.Daylight
In September, the average length of the day is 12h and 50min.On the first day of the month, sunrise is at 06:02 and sunset at 20:04. On the last day of September, sunrise is at 07:07 and sunset at 18:39 CEST.
Sunshine
In September, the average sunshine is 7.9h.UV index
In Otterbäcken, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: In September, the maximum UV index of 4 transforms into these recommendations:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Otterbäcken, Sweden
- Average high temperature in September: 15.5°C
The warmest month (with the highest average high temperature) is July (20°C).
The months with the lowest average high temperature are January and February (0.5°C).
- Average low temperature in September: 11°C
The month with the highest average low temperature is August (14.1°C).
The coldest month (with the lowest average low temperature) is February (-2.5°C).
Average pressure in September
Otterbäcken, Sweden
- Average pressure in September: 1013.5mbar
The month with the highest atmospheric pressure is May (1014.4mbar).
The month with the lowest atmospheric pressure is December (1008.2mbar).
Average wind speed in September
Otterbäcken, Sweden
- Average wind speed in September: 17.8km/h
The windiest month (with the highest average wind speed) is December (20.2km/h).
The calmest month (with the lowest average wind speed) is May (14.5km/h).
Average humidity in September
Otterbäcken, Sweden
- Average humidity in September: 78%
The month with the highest relative humidity is February (88%).
The month with the lowest relative humidity is May (71%).
Average rainfall in September
Otterbäcken, Sweden
- Average rainfall in September: 36mm
The wettest months (with the highest rainfall) are July and August (52mm).
The driest month (with the least rainfall) is April (12mm).
Average rainfall days in September
Otterbäcken, Sweden
- Average rainfall days in September: 13.2 days
The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is February (6.2 days).
Average snowfall in September
Otterbäcken, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is March (60mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Otterbäcken, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Otterbäcken, Sweden
- Average daylight in September: 12h and 48min
The month with the longest days is June (Average daylight: 18h and 24min).
The month with the shortest days is December (Average daylight: 6h and 18min).
- Average sunshine in September: 7h and 54min
The month with the most sunshine is June (Average sunshine: 12h and 24min).
The month with the least sunshine is February (Average sunshine: 3h and 12min).
Average sunshine days in September
Otterbäcken, Sweden
- Average sunshine days in September: 14.2 days
The month with the most sunshine days is April (17.8 days).
The month with the least sunshine days is August (11.3 days).
Average UV index in September
Otterbäcken, Sweden
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Otterbäcken, Sweden
- Average cloud cover in September: 45
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
Otterbäcken, 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).
