September weather forecastStorvik, Sweden
September
Weather in September
September, the first month of the autumn in Storvik, is also a moderate month, with an average temperature fluctuating between 15.7°C (60.3°F) and 8.3°C (46.9°F).Temperature
The shift from August to September involves a decrease in the average high-temperature, dropping from an agreeable 20.7°C (69.3°F) to a refreshing 15.7°C (60.3°F). During September, an average low-temperature of 8.3°C (46.9°F) is observed.Humidity
In September, the average relative humidity is 79%.Rainfall
In September, in Storvik, Sweden, the rain falls for 7.9 days. Throughout September, 12mm (0.47") of precipitation is accumulated. In Storvik, Sweden, during the entire year, the rain falls for 99.3 days and collects up to 171mm (6.73") of precipitation.Snowfall
In Storvik, snow does not fall in June through September.Daylight
In September, the average length of the day in Storvik is 12h and 53min.On the first day of the month, sunrise is at 05:48 and sunset at 19:58. On the last day of September, sunrise is at 06:58 and sunset at 18:28 CEST.
Sunshine
In September, the average sunshine in Storvik is 7.6h.UV index
The average daily maximum UV index in September in Storvik is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the average person.Note: A maximum high UV index of 3 in September translates into the following recommendations:
Be vigilant - Preventing sunburn is recommended. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Storvik, Sweden
- Average high temperature in September: 15.7°C
The warmest month (with the highest average high temperature) is July (21.8°C).
The month with the lowest average high temperature is January (-1.8°C).
- Average low temperature in September: 8.3°C
The month with the highest average low temperature is July (12.3°C).
The coldest month (with the lowest average low temperature) is January (-5.3°C).
Average pressure in September
Storvik, Sweden
- Average pressure in September: 1012.7mbar
The month with the highest atmospheric pressure is May (1014.5mbar).
The month with the lowest atmospheric pressure is December (1006.9mbar).
Average wind speed in September
Storvik, Sweden
- Average wind speed in September: 10.2km/h
The windiest month (with the highest average wind speed) is December (11.5km/h).
The calmest month (with the lowest average wind speed) is August (9.3km/h).
Average humidity in September
Storvik, Sweden
- Average humidity in September: 79%
The months with the highest relative humidity are January and February (90%).
The month with the lowest relative humidity is May (66%).
Average rainfall in September
Storvik, Sweden
- Average rainfall in September: 12mm
The wettest month (with the highest rainfall) is July (25mm).
The driest months (with the least rainfall) are January and February (8mm).
Average rainfall days in September
Storvik, Sweden
- Average rainfall days in September: 7.9 days
The month with the highest number of rainy days is July (14.4 days).
The month with the least rainy days is February (3.6 days).
Average snowfall in September
Storvik, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is March (72mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Storvik, Sweden
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (11.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Storvik, Sweden
- Average daylight in September: 12h and 54min
The month with the longest days is June (Average daylight: 18h and 54min).
The month with the shortest days is December (Average daylight: 5h and 54min).
- Average sunshine in September: 7h and 36min
The month with the most sunshine is June (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 2h and 0min).
Average sunshine days in September
Storvik, Sweden
- Average sunshine days in September: 19.2 days
The month with the most sunshine days is September (19.2 days).
The month with the least sunshine days is July (14.7 days).
Average UV index in September
Storvik, 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, February, November and December (UV index 1).
Average cloud cover in September
Storvik, Sweden
- Average cloud cover in September: 50
The month with the most cloud cover is February (Cloud cover 68).
The month with the least cloud cover is July (Cloud cover 43).
Average visibility in September
Storvik, Sweden
- Average visibility in September: 8km
The months with the highest visibility are April, May, June, July and August (9km).
The months with the lowest visibility are January, February, March and November (7km).
