September weather forecastBullmark, Sweden
September
Weather in September
September, the first month of the autumn in Bullmark, is also a moderate month, with an average temperature varying between 8.4°C (47.1°F) and 13.3°C (55.9°F).Temperature
September marks a gentle change in average high-temperature, declining from August's comfortable 17.6°C (63.7°F) to a still refreshing 13.3°C (55.9°F). In Bullmark, the month of September records an average minimum temperature of 8.4°C (47.1°F), a slight dip from the daily highs.Humidity
In Bullmark, the average relative humidity in September is 79%.Rainfall
In September, the rain falls for 13.4 days. Throughout September, 30mm (1.18") of precipitation is accumulated. Throughout the year, there are 125.3 rainfall days, and 392mm (15.43") of precipitation is accumulated.Snowfall
In Bullmark, snow does not fall in June through September.Daylight
In Bullmark, the average length of the day in September is 13h and 1min.On the first day of September, sunrise is at 05:22 and sunset at 19:53. On the last day of the month, sunrise is at 06:45 and sunset at 18:10 CEST.
Sunshine
In Bullmark, the average sunshine in September is 7.6h.UV index
In Bullmark, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum UV index, 3 during September, leads to the following recommendations:
Exercise care. People with light skin might get burns in fewer than 30 minutes. The solar radiation around mid-day is intense; avoid the Sun and stay safe. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Bullmark, Sweden
- Average high temperature in September: 13.3°C
The warmest month (with the highest average high temperature) is July (18.3°C).
The month with the lowest average high temperature is January (-3.9°C).
- Average low temperature in September: 8.4°C
The month with the highest average low temperature is July (12.4°C).
The coldest month (with the lowest average low temperature) is February (-8.3°C).
Average pressure in September
Bullmark, Sweden
- Average pressure in September: 1011.4mbar
The month with the highest atmospheric pressure is May (1014.2mbar).
The month with the lowest atmospheric pressure is December (1005.2mbar).
Average wind speed in September
Bullmark, Sweden
- Average wind speed in September: 14.8km/h
The windiest month (with the highest average wind speed) is December (17.3km/h).
The calmest month (with the lowest average wind speed) is July (12.6km/h).
Average humidity in September
Bullmark, Sweden
- Average humidity in September: 79%
The month with the highest relative humidity is February (92%).
The month with the lowest relative humidity is June (69%).
Average rainfall in September
Bullmark, Sweden
- Average rainfall in September: 30mm
The wettest month (with the highest rainfall) is July (43mm).
The driest month (with the least rainfall) is April (23mm).
Average rainfall days in September
Bullmark, Sweden
- Average rainfall days in September: 13.4 days
The month with the highest number of rainy days is August (15 days).
The month with the least rainy days is February (3.5 days).
Average snowfall in September
Bullmark, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is March (191mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Bullmark, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Bullmark, Sweden
- Average daylight in September: 13h and 0min
The month with the longest days is June (Average daylight: 20h and 48min).
The month with the shortest days is December (Average daylight: 4h and 24min).
- Average sunshine in September: 7h and 36min
The month with the most sunshine is June (Average sunshine: 13h and 0min).
The month with the least sunshine is December (Average sunshine: 1h and 30min).
Average sunshine days in September
Bullmark, Sweden
- Average sunshine days in September: 14.8 days
The month with the most sunshine days is October (15.9 days).
The month with the least sunshine days is April (10.6 days).
Average UV index in September
Bullmark, 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, February, November and December (UV index 1).
Average cloud cover in September
Bullmark, Sweden
- Average cloud cover in September: 46
The month with the most cloud cover is January (Cloud cover 66).
The months with the least cloud cover are June, July and August (Cloud cover 39).
Average visibility in September
Bullmark, Sweden
- Average visibility in September: 9km
The months with the highest visibility are June and July (10km).
The months with the lowest visibility are January, February, March and April (8km).





