September weather forecastStenkullen, Sweden
September
Weather in September
The first month of the autumn, September, is also an enjoyable month in Stenkullen, Sweden, with an average temperature ranging between min 9.8°C (49.6°F) and max 16°C (60.8°F).Temperature
In September, the average high-temperature marginally decreases from 19.6°C (67.3°F) in August to a still comfortable 16°C (60.8°F). In the month of September, the average temperature dips to a chilly 9.8°C (49.6°F) during the night.Humidity
The average relative humidity in September is 81%.Rainfall
In Stenkullen, during September, the rain falls for 16.4 days and regularly aggregates up to 47mm (1.85") of precipitation. In Stenkullen, during the entire year, the rain falls for 172.1 days and collects up to 500mm (19.69") of precipitation.Snowfall
In Stenkullen, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 47min.On the first day of the month, sunrise is at 06:12 and sunset at 20:08. On the last day of September, in Stenkullen, sunrise is at 07:13 and sunset at 18:47 CEST.
Sunshine
In Stenkullen, the average sunshine in September is 7.4h.UV index
The average daily maximum UV index in September in Stenkullen is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: A daily maximum UV index of 3 in September translates into the following instructions:
Prioritize safety - Suggestions to prevent sun damage are offered. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Stenkullen, Sweden
- Average high temperature in September: 16°C
The warmest month (with the highest average high temperature) is July (20.6°C).
The month with the lowest average high temperature is January (0.8°C).
- Average low temperature in September: 9.8°C
The months with the highest average low temperature are July and August (12.3°C).
The coldest month (with the lowest average low temperature) is February (-2.7°C).
Average pressure in September
Stenkullen, Sweden
- Average pressure in September: 1013.8mbar
The month with the highest atmospheric pressure is April (1014.7mbar).
The month with the lowest atmospheric pressure is December (1008.8mbar).
Average wind speed in September
Stenkullen, Sweden
- Average wind speed in September: 14km/h
The windiest month (with the highest average wind speed) is December (16.6km/h).
The calmest month (with the lowest average wind speed) is August (12.4km/h).
Average humidity in September
Stenkullen, Sweden
- Average humidity in September: 81%
The months with the highest relative humidity are January, February and December (89%).
The months with the lowest relative humidity are April and May (73%).
Average rainfall in September
Stenkullen, Sweden
- Average rainfall in September: 47mm
The wettest month (with the highest rainfall) is August (57mm).
The driest month (with the least rainfall) is April (21mm).
Average rainfall days in September
Stenkullen, Sweden
- Average rainfall days in September: 16.4 days
The month with the highest number of rainy days is August (19.6 days).
The month with the least rainy days is February (8.9 days).
Average snowfall in September
Stenkullen, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is January (77mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Stenkullen, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (10.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Stenkullen, Sweden
- Average daylight in September: 12h and 48min
The month with the longest days is June (Average daylight: 18h and 0min).
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 36min).
The month with the least sunshine is February (Average sunshine: 3h and 12min).
Average sunshine days in September
Stenkullen, Sweden
- Average sunshine days in September: 10.5 days
The month with the most sunshine days is April (15.4 days).
The month with the least sunshine days is August (9.2 days).
Average UV index in September
Stenkullen, Sweden
- Average UV index in September: 3
The months with the highest UV index are May, 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
Stenkullen, Sweden
- Average cloud cover in September: 49
The months with the most cloud cover are February, November and December (Cloud cover 66).
The month with the least cloud cover is June (Cloud cover 41).
Average visibility in September
Stenkullen, Sweden
- Average visibility in September: 9km
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January and February (8km).





