September weather forecastStallarholmen, Sweden
September
Weather in September
The first month of the autumn, September, is also an enjoyable month in Stallarholmen, Sweden, with an average temperature varying between 16.3°C (61.3°F) and 9.2°C (48.6°F).Temperature
September sees a slight reduction in average high-temperature, with a shift from a pleasant 20.9°C (69.6°F) in August to an enjoyable 16.3°C (61.3°F). Nighttime temperatures hover around an average low of 9.2°C (48.6°F) in September.Humidity
In September, the average relative humidity is 79%.Rainfall
In September, in Stallarholmen, the rain falls for 13.2 days. Throughout September, 27mm (1.06") of precipitation is accumulated. In Stallarholmen, during the entire year, the rain falls for 148.3 days and collects up to 400mm (15.75") of precipitation.Snowfall
In Stallarholmen, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 50min.On the first day of the month, sunrise is at 05:49 and sunset at 19:52. On the last day of September, in Stallarholmen, sunrise is at 06:55 and sunset at 18:26 CEST.
Sunshine
In September, the average sunshine in Stallarholmen is 8h.UV index
The average daily maximum UV index in September in Stallarholmen is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 3 during September leads to these advisories:
Act with care - The suggestion to avoid sunburn is emphasized. The solar radiation around mid-day is intense; avoid the Sun and stay safe. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Stallarholmen, Sweden
- Average high temperature in September: 16.3°C
The warmest month (with the highest average high temperature) is July (22°C).
The month with the lowest average high temperature is January (-0.9°C).
- Average low temperature in September: 9.2°C
The month with the highest average low temperature is July (12.7°C).
The coldest months (with the lowest average low temperature) are January and February (-4.7°C).
Average pressure in September
Stallarholmen, Sweden
- Average pressure in September: 1013.4mbar
The month with the highest atmospheric pressure is May (1014.7mbar).
The month with the lowest atmospheric pressure is December (1007.9mbar).
Average wind speed in September
Stallarholmen, Sweden
- Average wind speed in September: 12.7km/h
The windiest month (with the highest average wind speed) is December (15.9km/h).
The calmest month (with the lowest average wind speed) is August (11.5km/h).
Average humidity in September
Stallarholmen, Sweden
- Average humidity in September: 79%
The months with the highest relative humidity are January, February and December (89%).
The month with the lowest relative humidity is May (70%).
Average rainfall in September
Stallarholmen, Sweden
- Average rainfall in September: 27mm
The wettest month (with the highest rainfall) is July (48mm).
The driest month (with the least rainfall) is April (19mm).
Average rainfall days in September
Stallarholmen, Sweden
- Average rainfall days in September: 13.2 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is February (6.7 days).
Average snowfall in September
Stallarholmen, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is February (102mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Stallarholmen, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (14.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Stallarholmen, Sweden
- Average daylight in September: 12h and 48min
The month with the longest days is June (Average daylight: 18h and 30min).
The month with the shortest days is December (Average daylight: 6h and 12min).
- Average sunshine in September: 8h and 0min
The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 2h and 30min).
Average sunshine days in September
Stallarholmen, Sweden
- Average sunshine days in September: 14.2 days
The months with the most sunshine days are September and October (14.2 days).
The month with the least sunshine days is December (10.5 days).
Average UV index in September
Stallarholmen, Sweden
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January and February (UV index 1).
Average cloud cover in September
Stallarholmen, Sweden
- Average cloud cover in September: 45
The month with the most cloud cover is February (Cloud cover 66).
The month with the least cloud cover is July (Cloud cover 41).
Average visibility in September
Stallarholmen, Sweden
- Average visibility in September: 9km
The months with the highest visibility are April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January, February, March, November and December (8km).
