September weather forecastBona, Sweden
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Bona, Sweden, with an average temperature varying between 15.6°C (60.1°F) and 10.1°C (50.2°F).Temperature
September brings a minor shift in the average high-temperature, adjusting from a comfortable 19.9°C (67.8°F) in August to a moderate 15.6°C (60.1°F). Bona anticipates an average minimum temperature of 10.1°C (50.2°F) in the month of September.Humidity
In September, the average relative humidity is 79%.Rainfall
In Bona, during September, the rain falls for 9 days and regularly aggregates up to 12mm (0.47") of precipitation. Throughout the year, in Bona, there are 99.7 rainfall days, and 174mm (6.85") of precipitation is accumulated.Snowfall
May through September are months without snowfall in Bona, Sweden.Daylight
In September, the average length of the day is 12h and 49min.On the first day of the month, sunrise is at 05:59 and sunset at 19:59. On the last day of September, sunrise is at 07:03 and sunset at 18:35 CEST.
Sunshine
The average sunshine in September in Bona is 7.7h.UV index
In September, the average daily maximum UV index in Bona is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: During September, 3 as the daily maximum UV index converts into the following advice:
Act with care - The need to guard against sun damage is communicated. When the Sun is at its strongest around midday, find shade and limit exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Bona, Sweden
- Average high temperature in September: 15.6°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 (-0.2°C).
- Average low temperature in September: 10.1°C
The month with the highest average low temperature is July (13.1°C).
The coldest months (with the lowest average low temperature) are January and February (-3°C).
Average pressure in September
Bona, Sweden
- Average pressure in September: 1013.8mbar
The month with the highest atmospheric pressure is May (1014.6mbar).
The month with the lowest atmospheric pressure is December (1008.6mbar).
Average wind speed in September
Bona, Sweden
- Average wind speed in September: 15.4km/h
The windiest month (with the highest average wind speed) is December (17.1km/h).
The calmest month (with the lowest average wind speed) is May (12.7km/h).
Average humidity in September
Bona, Sweden
- Average humidity in September: 79%
The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is May (71%).
Average rainfall in September
Bona, Sweden
- Average rainfall in September: 12mm
The wettest month (with the highest rainfall) is July (30mm).
The driest month (with the least rainfall) is April (6mm).
Average rainfall days in September
Bona, Sweden
- Average rainfall days in September: 9 days
The month with the highest number of rainy days is July (13.4 days).
The month with the least rainy days is February (3.6 days).
Average snowfall in September
Bona, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is February (37mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Bona, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Bona, Sweden
- Average daylight in September: 12h and 48min
The month with the longest days is June (Average daylight: 18h and 18min).
The month with the shortest days is December (Average daylight: 6h and 24min).
- Average sunshine in September: 7h and 42min
The month with the most sunshine is June (Average sunshine: 12h and 0min).
The months with the least sunshine are February and December (Average sunshine: 3h and 6min).
Average sunshine days in September
Bona, Sweden
- Average sunshine days in September: 19 days
The month with the most sunshine days is April (19.6 days).
The month with the least sunshine days is July (15.7 days).
Average UV index in September
Bona, 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
Bona, Sweden
- Average cloud cover in September: 47
The months with the most cloud cover are February and December (Cloud cover 69).
The months with the least cloud cover are June and August (Cloud cover 41).
Average visibility in September
Bona, Sweden
- Average visibility in September: 9km
The months with the highest visibility are June and August (10km).
The month with the lowest visibility is January (8km).
