Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
The advent of September brings a subtle shift in temperature, with the average high moving from a refreshing 19.5°C (67.1°F) in August to a still enjoyable 16.5°C (61.7°F). A consistent nighttime average temperature of 13.3°C (55.9°F) is maintained during September.Humidity
In September, the average relative humidity is 78%.Rainfall
In Brantevik, in September, it is raining for 9.1 days, with typically 14mm (0.55") of accumulated precipitation. Throughout the year, in Brantevik, Sweden, there are 114.5 rainfall days, and 203mm (7.99") of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in September is 12h and 44min.On the first day of September in Brantevik, sunrise is at 06:09 and sunset at 19:55. On the last day of the month, sunrise is at 07:04 and sunset at 18:40 CEST.
Sunshine
In September, the average sunshine is 8.3h.UV index
In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.Note: The maximum UV index, 4 during September, leads to the following recommendations:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Brantevik?
What is the average humidity in September in Brantevik?
How much does it rain in Brantevik in September?
When it does not snow in Brantevik?
What is the average length of the day in September in Brantevik?
When are sunrise and sunset in September in Brantevik?
How many hours of sunshine does Brantevik have in September?
What is the UV index reading in September in Brantevik?
Average temperature in September
Brantevik, Sweden
- Average high temperature in September: 16.5°C
The warmest month (with the highest average high temperature) is August (19.5°C).
The month with the lowest average high temperature is February (2.6°C).
- Average low temperature in September: 13.3°C
The month with the highest average low temperature is August (16.3°C).
The coldest month (with the lowest average low temperature) is February (0.4°C).
Average pressure in September
Brantevik, Sweden
- Average pressure in September: 1015.5mbar
The month with the highest atmospheric pressure is April (1015.7mbar).
The month with the lowest atmospheric pressure is December (1011.4mbar).
Average wind speed in September
Brantevik, Sweden
- Average wind speed in September: 22.6km/h
The windiest month (with the highest average wind speed) is December (27km/h).
The calmest month (with the lowest average wind speed) is June (18.9km/h).
Average humidity in September
Brantevik, Sweden
- Average humidity in September: 78%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are June and August (77%).
Average rainfall in September
Brantevik, Sweden
- Average rainfall in September: 14mm
The wettest month (with the highest rainfall) is July (27mm).
The driest month (with the least rainfall) is April (9mm).
Average rainfall days in September
Brantevik, Sweden
- Average rainfall days in September: 9.1 days
The month with the highest number of rainy days is July (12.7 days).
The month with the least rainy days is February (6.7 days).
Average snowfall in September
Brantevik, Sweden
- Average snowfall in September: 0mm
The months with the highest snowfall are January and February (21mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Brantevik, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Brantevik, Sweden
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 17h and 24min).
The month with the shortest days is December (Average daylight: 7h and 12min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 2h and 54min).
Average sunshine days in September
Brantevik, Sweden
- Average sunshine days in September: 17.2 days
The month with the most sunshine days is April (20.5 days).
The month with the least sunshine days is February (13 days).
Average UV index in September
Brantevik, Sweden
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Brantevik, Sweden
- Average cloud cover in September: 41
The month with the most cloud cover is December (Cloud cover 70).
The months with the least cloud cover are June and August (Cloud cover 34).
Average visibility in September
Brantevik, Sweden
- Average visibility in September: 10km
The months with the highest visibility are March, April, May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January, February and December (9km).
