September weather forecastUrsviken, Sweden
September
Weather in September
The first month of the autumn, September, is still a mild month in Ursviken, Sweden, with an average temperature fluctuating between 13.3°C (55.9°F) and 7.4°C (45.3°F).Temperature
With the onset of September, Ursviken's average high-temperature slightly adjusts, moderately receding from August's refreshing 18.2°C (64.8°F) to a mild 13.3°C (55.9°F). Ursviken records an average low-temperature of 7.4°C (45.3°F) throughout the month of September.Humidity
The average relative humidity in September is 79%.Rainfall
In Ursviken, Sweden, in September, it is raining for 10.8 days, with typically 20mm (0.79") of accumulated precipitation. In Ursviken, Sweden, during the entire year, the rain falls for 99.9 days and collects up to 252mm (9.92") of precipitation.Snowfall
In Ursviken, snow does not fall in June through September.Sea temperature
In Ursviken, Sweden, the average seawater temperature in September is 11.8°C (53.2°F).Note: While a brief time in 11.8°C (53.2°F) at 13°C (55.4°F) is already bracing, plunging below 10°C (50°F) can severely affect breathing and introduce a cold shock, relying on your physical state.
Daylight
In Ursviken, the average length of the day in September is 13h and 3min.On the first day of the month, sunrise is at 05:17 and sunset at 19:52. On the last day of September, in Ursviken, sunrise is at 06:43 and sunset at 18:06 CEST.
Sunshine
In Ursviken, the average sunshine in September is 7.6h.UV index
In September, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: In September, the UV index of 3 transforms into the following advice:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ursviken, Sweden
- Average high temperature in September: 13.3°C
The warmest month (with the highest average high temperature) is July (19.4°C).
The month with the lowest average high temperature is January (-4.8°C).
- Average low temperature in September: 7.4°C
The month with the highest average low temperature is July (12°C).
The coldest month (with the lowest average low temperature) is February (-9.3°C).
Average pressure in September
Ursviken, Sweden
- Average pressure in September: 1011.2mbar
The month with the highest atmospheric pressure is May (1014.1mbar).
The month with the lowest atmospheric pressure is December (1005mbar).
Average wind speed in September
Ursviken, Sweden
- Average wind speed in September: 12.6km/h
The windiest month (with the highest average wind speed) is December (14.6km/h).
The calmest month (with the lowest average wind speed) is July (11.2km/h).
Average humidity in September
Ursviken, Sweden
- Average humidity in September: 79%
The months with the highest relative humidity are January and February (92%).
The month with the lowest relative humidity is June (65%).
Average rainfall in September
Ursviken, Sweden
- Average rainfall in September: 20mm
The wettest month (with the highest rainfall) is July (30mm).
The driest month (with the least rainfall) is February (14mm).
Average rainfall days in September
Ursviken, Sweden
- Average rainfall days in September: 10.8 days
The month with the highest number of rainy days is July (11.9 days).
The month with the least rainy days is January (3 days).
Average snowfall in September
Ursviken, Sweden
- Average snowfall in September: 0mm
The months with the highest snowfall are January and March (107mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Ursviken, Sweden
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is January (15.2 days).
The months with the least snowfall days are June, July and August (0 days).
Average sea temperature in September
Ursviken, Sweden
- Average sea temperature in September: 11.8°C
The best month for swimming (with the highest average sea temperature) is August (15.8°C).
The coldest month (with the lowest average sea temperature) is February (0°C).
Average daylight in September /
Average sunshine in September
Ursviken, Sweden
- Average daylight in September: 13h and 0min
The month with the longest days is June (Average daylight: 21h and 18min).
The month with the shortest days is December (Average daylight: 4h and 6min).
- Average sunshine in September: 7h and 36min
The month with the most sunshine is July (Average sunshine: 12h and 48min).
The month with the least sunshine is December (Average sunshine: 1h and 24min).
Average sunshine days in September
Ursviken, Sweden
- Average sunshine days in September: 17.1 days
The months with the most sunshine days are June and October (17.8 days).
The month with the least sunshine days is December (12.9 days).
Average UV index in September
Ursviken, 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
Ursviken, Sweden
- Average cloud cover in September: 46
The month with the most cloud cover is January (Cloud cover 66).
The months with the least cloud cover are July and August (Cloud cover 40).
Average visibility in September
Ursviken, Sweden
- Average visibility in September: 9km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February and March (7km).





