Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
During the shift to September, Tornby records a mild decrease in average high-temperature, moving from an agreeable 21.2°C (70.2°F) in August to a comfortable 16.7°C (62.1°F). The average low-temperature of 9.3°C (48.7°F) is witnessed during September.Humidity
In September, the average relative humidity is 79%.Rainfall
In Tornby, in September, it is raining for 9.9 days, with typically 18mm (0.71") of accumulated precipitation. Throughout the year, in Tornby, there are 119.9 rainfall days, and 244mm (9.61") of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In Tornby, the average length of the day in September is 12h and 49min.On the first day of September in Tornby, Sweden, 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 Tornby, the average sunshine in September 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 moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: During September, 3 as the daily maximum UV index converts into the following advice:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Frequently asked questions
What is the average September temperature in Tornby?
What is the average humidity in September in Tornby?
How many days does it rain in September in Tornby?
When it does not snow in Tornby?
Does it snow in Tornby in September?
How many hours of daylight does Tornby have in September?
When are sunrise and sunset in September in Tornby?
How many hours of sunshine does Tornby have in September?
What is the UV index reading in September in Tornby?
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 5min
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 1min
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).
Tornby, Sweden
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