September weather forecastBrottberga, Sweden
September
Weather in September
September, the first month of the autumn in Brottberga, is still a refreshing month, with temperature in the range of an average high of 16.1°C (61°F) and an average low of 8.9°C (48°F).Temperature
September reveals a small adjustment in temperature, transitioning from an average high of a pleasant 20.7°C (69.3°F) in August to an enjoyable 16.1°C (61°F). During the month of September, an average temperature of 8.9°C (48°F) is noted during the nights.Humidity
In September, the average relative humidity is 79%.Rainfall
In September, the rain falls for 8.1 days. Throughout September, 15mm (0.59") of precipitation is accumulated. In Brottberga, during the entire year, the rain falls for 105.3 days and collects up to 174mm (6.85") of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Brottberga, the average length of the day in September is 12h and 51min.On the first day of the month, sunrise is at 05:51 and sunset at 19:56. On the last day of September, sunrise is at 06:58 and sunset at 18:29 CEST.
Sunshine
In September, the average sunshine is 8h.UV index
In Brottberga, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: A typical high UV index of 3 in September suggests the following recommendations:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Brottberga, Sweden
- Average high temperature in September: 16.1°C
The warmest month (with the highest average high temperature) is July (21.5°C).
The month with the lowest average high temperature is January (-1.2°C).
- Average low temperature in September: 8.9°C
The month with the highest average low temperature is July (12.5°C).
The coldest months (with the lowest average low temperature) are January and February (-4.9°C).
Average pressure in September
Brottberga, Sweden
- Average pressure in September: 1013.3mbar
The month with the highest atmospheric pressure is May (1014.6mbar).
The month with the lowest atmospheric pressure is December (1007.7mbar).
Average wind speed in September
Brottberga, Sweden
- Average wind speed in September: 12.5km/h
The windiest month (with the highest average wind speed) is December (15.2km/h).
The calmest month (with the lowest average wind speed) is August (11.3km/h).
Average humidity in September
Brottberga, Sweden
- Average humidity in September: 79%
The months with the highest relative humidity are January and February (90%).
The month with the lowest relative humidity is May (71%).
Average rainfall in September
Brottberga, Sweden
- Average rainfall in September: 15mm
The wettest month (with the highest rainfall) is July (25mm).
The driest months (with the least rainfall) are February and April (9mm).
Average rainfall days in September
Brottberga, Sweden
- Average rainfall days in September: 8.1 days
The month with the highest number of rainy days is July (12.8 days).
The month with the least rainy days is January (4 days).
Average snowfall in September
Brottberga, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is January (39mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Brottberga, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Brottberga, Sweden
- Average daylight in September: 12h and 54min
The month with the longest days is June (Average daylight: 18h and 36min).
The month with the shortest days is December (Average daylight: 6h and 12min).
- Average sunshine in September: 8h and 0min
The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 2h and 30min).
Average sunshine days in September
Brottberga, Sweden
- Average sunshine days in September: 19.2 days
The month with the most sunshine days is September (19.2 days).
The month with the least sunshine days is July (14.4 days).
Average UV index in September
Brottberga, Sweden
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January and February (UV index 1).
Average cloud cover in September
Brottberga, Sweden
- Average cloud cover in September: 46
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 42).
Average visibility in September
Brottberga, Sweden
- Average visibility in September: 9km
The months with the highest visibility are April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January, February, March, November and December (8km).
