September weather forecastKnutby, Sweden
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Knutby, Sweden, with an average temperature varying between 10.9°C (51.6°F) and 15.2°C (59.4°F).Temperature
The beginning of September brings a minor change in the average high-temperature, shifting from a comfortable 19.5°C (67.1°F) in August to a still refreshing 15.2°C (59.4°F). Knutby reports an average low-temperature of 10.9°C (51.6°F) during the subtly cooler September nights.Humidity
In Knutby, the average relative humidity in September is 79%.Rainfall
In Knutby, in September, it is raining for 13.3 days, with typically 25mm (0.98") of accumulated precipitation. In Knutby, during the entire year, the rain falls for 140.1 days and collects up to 354mm (13.94") of precipitation.Snowfall
In Knutby, Sweden, snow does not fall in June through September.Daylight
The average length of the day in September in Knutby is 12h and 52min.On the first day of September, sunrise is at 05:43 and sunset at 19:50. On the last day of the month, sunrise is at 06:51 and sunset at 18:22 CEST.
Sunshine
In September, the average sunshine is 8.3h.UV index
In Knutby, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.Note: In September, a regular UV index of 3 translates into these guidelines:
Guard yourself - Precautionary measures against sun damage are advocated. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Knutby, Sweden
- Average high temperature in September: 15.2°C
The warmest months (with the highest average high temperature) are July and August (19.5°C).
The month with the lowest average high temperature is January (0.2°C).
- Average low temperature in September: 10.9°C
The months with the highest average low temperature are July and August (14.1°C).
The coldest months (with the lowest average low temperature) are January and February (-2.5°C).
Average pressure in September
Knutby, Sweden
- Average pressure in September: 1013.2mbar
The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1007.5mbar).
Average wind speed in September
Knutby, Sweden
- Average wind speed in September: 17.1km/h
The windiest month (with the highest average wind speed) is December (21.8km/h).
The calmest month (with the lowest average wind speed) is July (14.3km/h).
Average humidity in September
Knutby, Sweden
- Average humidity in September: 79%
The months with the highest relative humidity are February and November (86%).
The months with the lowest relative humidity are April, May and June (75%).
Average rainfall in September
Knutby, Sweden
- Average rainfall in September: 25mm
The wettest month (with the highest rainfall) is July (52mm).
The driest month (with the least rainfall) is April (16mm).
Average rainfall days in September
Knutby, Sweden
- Average rainfall days in September: 13.3 days
The month with the highest number of rainy days is August (16.2 days).
The month with the least rainy days is February (5.8 days).
Average snowfall in September
Knutby, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is February (82mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Knutby, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Knutby, Sweden
- Average daylight in September: 12h and 54min
The month with the longest days is June (Average daylight: 18h and 42min).
The month with the shortest days is December (Average daylight: 6h and 6min).
- Average sunshine in September: 8h and 18min
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 24min).
Average sunshine days in September
Knutby, Sweden
- Average sunshine days in September: 13.2 days
The month with the most sunshine days is May (14.5 days).
The month with the least sunshine days is August (11.3 days).
Average UV index in September
Knutby, 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 February (UV index 1).
Average cloud cover in September
Knutby, Sweden
- Average cloud cover in September: 41
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in September
Knutby, Sweden
- Average visibility in September: 10km
The months with the highest visibility are June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, April, May, November and December (9km).
