September weather forecastMuskö, Sweden
September
Weather in September
September, the first month of the autumn in Muskö, is also a moderate month, with an average temperature varying between 15.4°C (59.7°F) and 11.4°C (52.5°F).Temperature
A subtle shift in Muskö's weather is observed as August turns into September, with the average high temperature reducing from a comfortable 19.3°C (66.7°F) to a mild 15.4°C (59.7°F). A modest decline from daytime high temperatures in Muskö is noticed in September, marking the average low at a fresh 11.4°C (52.5°F).Humidity
In Muskö, the average relative humidity in September is 79%.Rainfall
In Muskö, during September, the rain falls for 12.5 days and regularly aggregates up to 28mm (1.1") of precipitation. In Muskö, during the entire year, the rain falls for 138.3 days and collects up to 361mm (14.21") of precipitation.Snowfall
In Muskö, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 50min.On the first day of the month, sunrise is at 05:46 and sunset at 19:48. On the last day of September, in Muskö, sunrise is at 06:51 and sunset at 18:23 CEST.
Sunshine
In September, the average sunshine is 8.4h.UV index
The average daily maximum UV index in September in Muskö, Sweden, is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The UV index of 3 during September leads to these advisories:
Ensure safety - Sun damage prevention is strongly urged. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. 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
Muskö, Sweden
- Average high temperature in September: 15.4°C
The warmest month (with the highest average high temperature) is July (19.5°C).
The month with the lowest average high temperature is January (0.7°C).
- Average low temperature in September: 11.4°C
The month with the highest average low temperature is July (14.4°C).
The coldest month (with the lowest average low temperature) is January (-2°C).
Average pressure in September
Muskö, Sweden
- Average pressure in September: 1013.6mbar
The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1008.3mbar).
Average wind speed in September
Muskö, Sweden
- Average wind speed in September: 18.6km/h
The windiest month (with the highest average wind speed) is December (24.1km/h).
The calmest month (with the lowest average wind speed) is July (16km/h).
Average humidity in September
Muskö, Sweden
- Average humidity in September: 79%
The months with the highest relative humidity are January, February, November and December (85%).
The month with the lowest relative humidity is May (75%).
Average rainfall in September
Muskö, Sweden
- Average rainfall in September: 28mm
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
Muskö, Sweden
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is August (14.8 days).
The month with the least rainy days is February (5.7 days).
Average snowfall in September
Muskö, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is February (70mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Muskö, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Muskö, 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: 8h and 24min
The month with the most sunshine is June (Average sunshine: 12h and 30min).
The month with the least sunshine is December (Average sunshine: 2h and 24min).
Average sunshine days in September
Muskö, Sweden
- Average sunshine days in September: 14.4 days
The month with the most sunshine days is April (17 days).
The month with the least sunshine days is December (12.1 days).
Average UV index in September
Muskö, Sweden
- Average UV index in September: 3
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January and February (UV index 1).
Average cloud cover in September
Muskö, Sweden
- Average cloud cover in September: 40
The months with the most cloud cover are January, February and December (Cloud cover 66).
The months with the least cloud cover are July and August (Cloud cover 35).
Average visibility in September
Muskö, Sweden
- Average visibility in September: 10km
The months with the highest visibility are April, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, November and December (9km).
