September weather forecastSmåskären, Sweden
September
Weather in September
September, the first month of the autumn in Småskären, is still a cool month, with an average temperature varying between 12.4°C (54.3°F) and 9.9°C (49.8°F).Temperature
The start of September signals a gentle decrease in the average high-temperature, transitioning from a moderate 15.8°C (60.4°F) in August to a fresh 12.4°C (54.3°F). Night temperatures during September stabilize at an average of 9.9°C (49.8°F), closely mirroring the daytime temperatures.Humidity
In September, the average relative humidity is 79%.Rainfall
In Småskären, in September, during 9.1 rainfall days, 23mm (0.91") of precipitation is typically accumulated. Throughout the year, there are 87.1 rainfall days, and 304mm (11.97") of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In Småskären, the average length of the day in September is 13h and 5min.On the first day of the month, sunrise is at 05:08 and sunset at 19:49. On the last day of September, sunrise is at 06:37 and sunset at 18:00 CEST.
Sunshine
In September, the average sunshine is 7.6h.UV index
In Småskären, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: The maximum UV index, 3 during September, leads to the following recommendations:
Take measures. Individuals with light skin might experience burns in under 30 minutes. It's recommended to limit sun exposure when its radiation is at its peak during midday. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Småskären, Sweden
- Average high temperature in September: 12.4°C
The warmest month (with the highest average high temperature) is August (15.8°C).
The month with the lowest average high temperature is February (-4.6°C).
- Average low temperature in September: 9.9°C
The month with the highest average low temperature is August (13.3°C).
The coldest month (with the lowest average low temperature) is February (-8.8°C).
Average pressure in September
Småskären, Sweden
- Average pressure in September: 1011mbar
The month with the highest atmospheric pressure is May (1014mbar).
The month with the lowest atmospheric pressure is December (1004.8mbar).
Average wind speed in September
Småskären, Sweden
- Average wind speed in September: 21.7km/h
The windiest month (with the highest average wind speed) is December (24km/h).
The calmest month (with the lowest average wind speed) is July (16.9km/h).
Average humidity in September
Småskären, Sweden
- Average humidity in September: 79%
The month with the highest relative humidity is February (90%).
The month with the lowest relative humidity is June (75%).
Average rainfall in September
Småskären, Sweden
- Average rainfall in September: 23mm
The wettest month (with the highest rainfall) is December (39mm).
The driest month (with the least rainfall) is April (18mm).
Average rainfall days in September
Småskären, Sweden
- Average rainfall days in September: 9.1 days
The month with the highest number of rainy days is July (9.4 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in September
Småskären, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is March (108mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Småskären, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Småskären, Sweden
- Average daylight in September: 13h and 6min
The month with the longest days is June (Average daylight: 22h and 18min).
The month with the shortest days is December (Average daylight: 3h and 36min).
- Average sunshine in September: 7h and 36min
The month with the most sunshine is July (Average sunshine: 13h and 0min).
The month with the least sunshine is December (Average sunshine: 1h and 18min).
Average sunshine days in September
Småskären, Sweden
- Average sunshine days in September: 19.9 days
The month with the most sunshine days is June (23 days).
The month with the least sunshine days is December (11.4 days).
Average UV index in September
Småskären, 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 December (UV index 1).
Average cloud cover in September
Småskären, Sweden
- Average cloud cover in September: 46
The month with the most cloud cover is January (Cloud cover 68).
The months with the least cloud cover are July and August (Cloud cover 38).
Average visibility in September
Småskären, Sweden
- Average visibility in September: 10km
The months with the highest visibility are May, June, July, August, September and October (10km).
The months with the lowest visibility are January and February (8km).
