September weather forecastBonäs, Sweden
September
Weather in September
The first month of the autumn, September, is also a moderate month in Bonäs, Sweden, with an average temperature ranging between min 6.8°C (44.2°F) and max 14.2°C (57.6°F).Temperature
The beginning of September marks a decrease in the average high-temperature, transitioning from an enjoyable 19.2°C (66.6°F) in August to a mild 14.2°C (57.6°F). During September, Bonäs sees a mean low-temperature of 6.8°C (44.2°F).Humidity
In Bonäs, Sweden, the average relative humidity in September is 79%.Rainfall
In Bonäs, during September, the rain falls for 11.6 days and regularly aggregates up to 30mm (1.18") of precipitation. Throughout the year, in Bonäs, there are 123.2 rainfall days, and 393mm (15.47") of precipitation is accumulated.Snowfall
In Bonäs, snow does not fall in June through September.Daylight
In Bonäs, the average length of the day in September is 12h and 54min.On the first day of September, sunrise is at 05:55 and sunset at 20:08. On the last day of the month, sunrise is at 07:07 and sunset at 18:36 CEST.
Sunshine
The average sunshine in September is 7.2h.UV index
In September, the average daily maximum UV index in Bonäs is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: A maximum high daily UV index of 3 during September translates into the following directions:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Bonäs, Sweden
- Average high temperature in September: 14.2°C
The warmest month (with the highest average high temperature) is July (20.8°C).
The month with the lowest average high temperature is January (-3.5°C).
- Average low temperature in September: 6.8°C
The month with the highest average low temperature is July (10.8°C).
The coldest month (with the lowest average low temperature) is February (-7.9°C).
Average pressure in September
Bonäs, Sweden
- Average pressure in September: 1012.6mbar
The month with the highest atmospheric pressure is May (1014.3mbar).
The month with the lowest atmospheric pressure is December (1007.1mbar).
Average wind speed in September
Bonäs, Sweden
- Average wind speed in September: 10.1km/h
The windiest month (with the highest average wind speed) is December (10.5km/h).
The calmest month (with the lowest average wind speed) is August (8.9km/h).
Average humidity in September
Bonäs, Sweden
- Average humidity in September: 79%
The month with the highest relative humidity is February (92%).
The months with the lowest relative humidity are May and June (67%).
Average rainfall in September
Bonäs, Sweden
- Average rainfall in September: 30mm
The wettest month (with the highest rainfall) is July (55mm).
The driest month (with the least rainfall) is April (17mm).
Average rainfall days in September
Bonäs, Sweden
- Average rainfall days in September: 11.6 days
The month with the highest number of rainy days is July (16.9 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in September
Bonäs, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is March (167mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Bonäs, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (14.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Bonäs, Sweden
- Average daylight in September: 12h and 54min
The month with the longest days is June (Average daylight: 19h and 6min).
The month with the shortest days is December (Average daylight: 5h and 42min).
- Average sunshine in September: 7h and 12min
The month with the most sunshine is June (Average sunshine: 11h and 42min).
The month with the least sunshine is December (Average sunshine: 1h and 48min).
Average sunshine days in September
Bonäs, Sweden
- Average sunshine days in September: 14.8 days
The month with the most sunshine days is October (15.6 days).
The months with the least sunshine days are February and July (11.3 days).
Average UV index in September
Bonäs, Sweden
- Average UV index in September: 3
The month with the highest UV index is June (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in September
Bonäs, Sweden
- Average cloud cover in September: 52
The month with the most cloud cover is February (Cloud cover 67).
The months with the least cloud cover are June and July (Cloud cover 46).
Average visibility in September
Bonäs, Sweden
- Average visibility in September: 8km
The months with the highest visibility are May, June, July and August (9km).
The months with the lowest visibility are January, February and March (6km).





