September weather forecastSandarne, Sweden
September
Weather in September
September, the first month of the autumn in Sandarne, is still a mild month, with an average temperature ranging between min 9.8°C (49.6°F) and max 15.2°C (59.4°F).Temperature
September ushers in a minute temperature change, with average high-temperatures reducing from August's enjoyable 19.4°C (66.9°F) to a moderate 15.2°C (59.4°F). September brings with it a nighttime average temperature of 9.8°C (49.6°F).Humidity
The average relative humidity in September in Sandarne, Sweden, is 78%.Rainfall
In Sandarne, during September, the rain falls for 11.6 days and regularly aggregates up to 28mm (1.1") of precipitation. In Sandarne, during the entire year, the rain falls for 122.7 days and collects up to 356mm (14.02") of precipitation.Snowfall
June through September are months without snowfall in Sandarne, Sweden.Sea temperature
In Sandarne, in September, the average water temperature is 13.4°C (56.1°F).Note: Diving into 13.4°C (56.1°F) when it's under 10°C (50°F) can cause immediate cold shock symptoms, marked by hyperventilation.
Daylight
The average length of the day in September is 12h and 55min.On the first day of the month, sunrise is at 05:44 and sunset at 19:58. On the last day of September, sunrise is at 06:56 and sunset at 18:25 CEST.
Sunshine
In Sandarne, the average sunshine in September is 8.1h.UV index
In Sandarne, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: In September, a daily UV index of 3 turns into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. 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
Sandarne, Sweden
- Average high temperature in September: 15.2°C
The warmest month (with the highest average high temperature) is July (19.8°C).
The month with the lowest average high temperature is January (-1.3°C).
- Average low temperature in September: 9.8°C
The month with the highest average low temperature is July (13.1°C).
The coldest month (with the lowest average low temperature) is February (-4.2°C).
Average pressure in September
Sandarne, Sweden
- Average pressure in September: 1012.4mbar
The month with the highest atmospheric pressure is May (1014.4mbar).
The month with the lowest atmospheric pressure is December (1006.4mbar).
Average wind speed in September
Sandarne, Sweden
- Average wind speed in September: 13.7km/h
The windiest month (with the highest average wind speed) is December (16.3km/h).
The calmest month (with the lowest average wind speed) is August (11.9km/h).
Average humidity in September
Sandarne, Sweden
- Average humidity in September: 78%
The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are May and June (70%).
Average rainfall in September
Sandarne, Sweden
- Average rainfall in September: 28mm
The wettest month (with the highest rainfall) is July (47mm).
The driest month (with the least rainfall) is April (16mm).
Average rainfall days in September
Sandarne, Sweden
- Average rainfall days in September: 11.6 days
The month with the highest number of rainy days is July (15.3 days).
The month with the least rainy days is February (3.8 days).
Average snowfall in September
Sandarne, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is January (113mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Sandarne, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (12.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in September
Sandarne, Sweden
- Average sea temperature in September: 13.4°C
The best month for swimming (with the highest average sea temperature) is August (17.8°C).
The coldest month (with the lowest average sea temperature) is February (0.2°C).
Average daylight in September /
Average sunshine in September
Sandarne, Sweden
- Average daylight in September: 12h and 54min
The month with the longest days is June (Average daylight: 19h and 12min).
The month with the shortest days is December (Average daylight: 5h and 36min).
- Average sunshine in September: 8h and 6min
The month with the most sunshine is June (Average sunshine: 12h and 42min).
The month with the least sunshine is December (Average sunshine: 2h and 0min).
Average sunshine days in September
Sandarne, Sweden
- Average sunshine days in September: 15.4 days
The month with the most sunshine days is October (16.9 days).
The month with the least sunshine days is February (12.9 days).
Average UV index in September
Sandarne, 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
Sandarne, Sweden
- Average cloud cover in September: 43
The month with the most cloud cover is February (Cloud cover 63).
The months with the least cloud cover are July and August (Cloud cover 38).
Average visibility in September
Sandarne, Sweden
- Average visibility in September: 9km
The months with the highest visibility are June, July and August (10km).
The months with the lowest visibility are February and March (8km).





