September weather forecastGnesta, Sweden
September
Weather in September
September, the first month of the autumn in Gnesta, is still a comfortable month, with an average temperature varying between 9.3°C (48.7°F) and 16.5°C (61.7°F).Temperature
A modest decline in the average high-temperature is seen during September, decreasing from an agreeable 21.1°C (70°F) in August to an enjoyable 16.5°C (61.7°F). During the nights in September, Gnesta experiences a consistent average temperature of 9.3°C (48.7°F).Humidity
In September, the average relative humidity in Gnesta is 79%.Rainfall
In Gnesta, Sweden, in September, during 12.5 rainfall days, 28mm (1.1") of precipitation is typically accumulated. Throughout the year, there are 143.7 rainfall days, and 387mm (15.24") of precipitation is accumulated.Snowfall
June through September are months without snowfall in Gnesta.Daylight
In Gnesta, the average length of the day in September is 12h and 50min.On the first day of September, sunrise is at 05:49 and sunset at 19:51. On the last day of the month, sunrise is at 06:54 and sunset at 18:26 CEST.
Sunshine
The average sunshine in September in Gnesta is 8.1h.UV index
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 rays for the average person.Note: In September, an average UV index of 3 transforms into the following instructions:
Adopt protective measures - It is advised to guard against sun damage. Direct Sun exposure should be minimized especially during midday when radiation is most intense. 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
Gnesta, Sweden
- Average high temperature in September: 16.5°C
The warmest month (with the highest average high temperature) is July (22.1°C).
The month with the lowest average high temperature is January (-0.6°C).
- Average low temperature in September: 9.3°C
The month with the highest average low temperature is July (12.8°C).
The coldest month (with the lowest average low temperature) is January (-3.9°C).
Average pressure in September
Gnesta, Sweden
- Average pressure in September: 1013.5mbar
The month with the highest atmospheric pressure is May (1014.8mbar).
The month with the lowest atmospheric pressure is December (1008.1mbar).
Average wind speed in September
Gnesta, Sweden
- Average wind speed in September: 12.9km/h
The windiest month (with the highest average wind speed) is December (16km/h).
The calmest month (with the lowest average wind speed) is August (11.5km/h).
Average humidity in September
Gnesta, Sweden
- Average humidity in September: 79%
The months with the highest relative humidity are January, February, November and December (89%).
The month with the lowest relative humidity is May (70%).
Average rainfall in September
Gnesta, Sweden
- Average rainfall in September: 28mm
The wettest month (with the highest rainfall) is October (41mm).
The driest month (with the least rainfall) is April (18mm).
Average rainfall days in September
Gnesta, Sweden
- Average rainfall days in September: 12.5 days
The months with the highest number of rainy days are July and August (14.6 days).
The month with the least rainy days is February (7.1 days).
Average snowfall in September
Gnesta, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is January (110mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Gnesta, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (14 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Gnesta, Sweden
- Average daylight in September: 12h and 48min
The month with the longest days is June (Average daylight: 18h and 24min).
The month with the shortest days is December (Average daylight: 6h and 18min).
- 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 December (Average sunshine: 2h and 30min).
Average sunshine days in September
Gnesta, Sweden
- Average sunshine days in September: 14.5 days
The month with the most sunshine days is April (14.6 days).
The month with the least sunshine days is February (10.3 days).
Average UV index in September
Gnesta, Sweden
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Gnesta, Sweden
- Average cloud cover in September: 44
The months with the most cloud cover are February and December (Cloud cover 67).
The months with the least cloud cover are June, July and August (Cloud cover 40).
Average visibility in September
Gnesta, 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).
