September weather forecastTornby, Sweden
September
Weather in September
September, the first month of the autumn in Tornby, is still a refreshing month, with an average temperature ranging between max 16.7°C (62.1°F) and min 9.3°C (48.7°F).Temperature
September's arrival signals a moderate reduction in the average high-temperature, easing from an agreeable 21.2°C (70.2°F) in August to an enjoyable 16.7°C (62.1°F). Throughout September, Tornby witnesses a consistent average low-temperature of 9.3°C (48.7°F).Humidity
The average relative humidity in September is 79%.Rainfall
In Tornby, in September, during 9.9 rainfall days, 18mm (0.71") of precipitation is typically accumulated. Throughout the year, there are 119.9 rainfall days, and 244mm (9.61") of precipitation is accumulated.Snowfall
In Tornby, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 49min.On the first day of September, sunrise is at 05:54 and sunset at 19:54. On the last day of the month, sunrise is at 06:58 and sunset at 18:30 CEST.
Sunshine
In September, the average sunshine is 8.1h.UV index
The average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: In September, an average UV index of 3 transforms into the following instructions:
Guard yourself - Avoiding sunburn is suggested. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Tornby, Sweden
- Average high temperature in September: 16.7°C
The warmest month (with the highest average high temperature) is July (22.5°C).
The month with the lowest average high temperature is January (-0.3°C).
- Average low temperature in September: 9.3°C
The month with the highest average low temperature is July (12.5°C).
The coldest months (with the lowest average low temperature) are January and February (-3.8°C).
Average pressure in September
Tornby, Sweden
- Average pressure in September: 1013.8mbar
The month with the highest atmospheric pressure is May (1014.8mbar).
The month with the lowest atmospheric pressure is December (1008.6mbar).
Average wind speed in September
Tornby, Sweden
- Average wind speed in September: 12.5km/h
The windiest month (with the highest average wind speed) is December (13.6km/h).
The calmest month (with the lowest average wind speed) is August (11.1km/h).
Average humidity in September
Tornby, Sweden
- Average humidity in September: 79%
The months with the highest relative humidity are January, February and November (90%).
The month with the lowest relative humidity is May (69%).
Average rainfall in September
Tornby, Sweden
- Average rainfall in September: 18mm
The wettest month (with the highest rainfall) is July (36mm).
The driest month (with the least rainfall) is April (11mm).
Average rainfall days in September
Tornby, Sweden
- Average rainfall days in September: 9.9 days
The month with the highest number of rainy days is July (14.5 days).
The month with the least rainy days is February (4.8 days).
Average snowfall in September
Tornby, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is February (60mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Tornby, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Tornby, Sweden
- Average daylight in September: 12h and 48min
The month with the longest days is June (Average daylight: 18h and 12min).
The month with the shortest days is December (Average daylight: 6h and 30min).
- Average sunshine in September: 8h and 6min
The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 18min).
Average sunshine days in September
Tornby, Sweden
- Average sunshine days in September: 17.3 days
The month with the most sunshine days is October (17.6 days).
The month with the least sunshine days is July (13.7 days).
Average UV index in September
Tornby, 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 March (UV index 1).
Average cloud cover in September
Tornby, Sweden
- Average cloud cover in September: 45
The month with the most cloud cover is February (Cloud cover 67).
The months with the least cloud cover are June, July and August (Cloud cover 41).
Average visibility in September
Tornby, Sweden
- Average visibility in September: 9km
The months with the highest visibility are April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January, February, March, November and December (8km).
