September weather forecastKosta, Sweden
September
Weather in September
The first month of the autumn, September, is still a comfortable month in Kosta, Sweden, with an average temperature varying between 16.5°C (61.7°F) and 8.9°C (48°F).Temperature
The beginning of September brings a minor change in the average high-temperature, shifting from a pleasant 20.9°C (69.6°F) in August to a comfortable 16.5°C (61.7°F). Throughout September, Kosta witnesses a consistent average low-temperature of 8.9°C (48°F).Humidity
In Kosta, the average relative humidity in September is 81%.Rainfall
In Kosta, in September, it is raining for 12.5 days, with typically 26mm (1.02") of accumulated precipitation. Throughout the year, in Kosta, there are 144.3 rainfall days, and 361mm (14.21") of precipitation is accumulated.Snowfall
June through September are months without snowfall in Kosta.Daylight
In Kosta, the average length of the day in September is 12h and 46min.On the first day of the month, sunrise is at 06:02 and sunset at 19:54. On the last day of September, in Kosta, sunrise is at 07:00 and sunset at 18:35 CEST.
Sunshine
In Kosta, the average sunshine in September is 7.4h.UV index
The average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: In September, the maximum UV index of 3 translates into these guidelines:
Put precautions into practice - Guidance to elude sunburn is provided. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Kosta, Sweden
- Average high temperature in September: 16.5°C
The warmest month (with the highest average high temperature) is July (21.6°C).
The month with the lowest average high temperature is January (0.3°C).
- Average low temperature in September: 8.9°C
The month with the highest average low temperature is July (12.3°C).
The coldest month (with the lowest average low temperature) is February (-3.1°C).
Average pressure in September
Kosta, Sweden
- Average pressure in September: 1014.8mbar
The months with the highest atmospheric pressure are April and May (1015.3mbar).
The month with the lowest atmospheric pressure is December (1010.2mbar).
Average wind speed in September
Kosta, Sweden
- Average wind speed in September: 12.8km/h
The windiest month (with the highest average wind speed) is December (14.3km/h).
The calmest month (with the lowest average wind speed) is August (11.7km/h).
Average humidity in September
Kosta, Sweden
- Average humidity in September: 81%
The months with the highest relative humidity are January, February, November and December (91%).
The months with the lowest relative humidity are April and May (70%).
Average rainfall in September
Kosta, Sweden
- Average rainfall in September: 26mm
The wettest month (with the highest rainfall) is July (41mm).
The driest month (with the least rainfall) is April (15mm).
Average rainfall days in September
Kosta, Sweden
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is February (6.8 days).
Average snowfall in September
Kosta, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is February (129mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Kosta, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Kosta, Sweden
- Average daylight in September: 12h and 48min
The month with the longest days is June (Average daylight: 17h and 42min).
The month with the shortest days is December (Average daylight: 6h and 54min).
- Average sunshine in September: 7h and 24min
The month with the most sunshine is August (Average sunshine: 9h and 18min).
The month with the least sunshine is December (Average sunshine: 2h and 30min).
Average sunshine days in September
Kosta, Sweden
- Average sunshine days in September: 14.6 days
The month with the most sunshine days is April (16.3 days).
The month with the least sunshine days is December (10.2 days).
Average UV index in September
Kosta, Sweden
- Average UV index in September: 3
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Kosta, Sweden
- Average cloud cover in September: 51
The months with the most cloud cover are January, February and December (Cloud cover 74).
The month with the least cloud cover is June (Cloud cover 42).
Average visibility in September
Kosta, Sweden
- Average visibility in September: 8km
The months with the highest visibility are April, May, June, July and August (9km).
The months with the lowest visibility are January and February (7km).





