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
Weather in September
Temperature
As September begins, there is a minor decrease in the average high-temperature, softly falling from an agreeable 21.3°C (70.3°F) in August to a refreshing 16.5°C (61.7°F). Björkvik observes an average nighttime temperature of 8.8°C (47.8°F) during September.Humidity
In Björkvik, the average relative humidity in September is 79%.Rainfall
In September, in Björkvik, the rain falls for 13.4 days. Throughout September, 30mm (1.18") of precipitation is accumulated. In Björkvik, during the entire year, the rain falls for 148.4 days and collects up to 427mm (16.81") of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September in Björkvik, Sweden, is 12h and 50min.On the first day of September, sunrise is at 05:53 and sunset at 19:54. On the last day of the month, sunrise is at 06:57 and sunset at 18:29 CEST.
Sunshine
The average sunshine in September in Björkvik is 7.7h.UV index
The average daily maximum UV index in September in Björkvik is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: A daily high UV index of 3 in September leads to these guidelines:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. It's recommended to limit sun exposure when its radiation is at its peak during midday. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Björkvik in September?
What is the average humidity in September in Björkvik?
How much does it rain in Björkvik in September?
When it does not snow in Björkvik?
Does it snow in Björkvik in September?
How many hours of daylight does Björkvik have in September?
When is the sunrise / sunset in September in Björkvik?
How long on average sun shines in September in Björkvik?
How high is the UV index in September in Björkvik?
Average temperature in September
Björkvik, Sweden
- Average high temperature in September: 16.5°C
The warmest month (with the highest average high temperature) is July (22.7°C).
The month with the lowest average high temperature is January (-0.8°C).
- Average low temperature in September: 8.8°C
The month with the highest average low temperature is July (12.4°C).
The coldest month (with the lowest average low temperature) is January (-4.6°C).
Average pressure in September
Björkvik, Sweden
- Average pressure in September: 1013.6mbar
The month with the highest atmospheric pressure is May (1014.7mbar).
The month with the lowest atmospheric pressure is December (1008.2mbar).
Average wind speed in September
Björkvik, Sweden
- Average wind speed in September: 12km/h
The windiest month (with the highest average wind speed) is December (13.6km/h).
The calmest month (with the lowest average wind speed) is August (10.9km/h).
Average humidity in September
Björkvik, Sweden
- Average humidity in September: 79%
The month with the highest relative humidity is January (91%).
The months with the lowest relative humidity are May and June (69%).
Average rainfall in September
Björkvik, Sweden
- Average rainfall in September: 30mm
The wettest month (with the highest rainfall) is July (63mm).
The driest month (with the least rainfall) is April (20mm).
Average rainfall days in September
Björkvik, Sweden
- Average rainfall days in September: 13.4 days
The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is February (5.8 days).
Average snowfall in September
Björkvik, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is February (123mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Björkvik, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Björkvik, Sweden
- Average daylight in September: 12h and 5min
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 4min
The month with the most sunshine is June (Average sunshine: 11h and 42min).
The month with the least sunshine is December (Average sunshine: 2h and 48min).
Average sunshine days in September
Björkvik, Sweden
- Average sunshine days in September: 13.8 days
The month with the most sunshine days is October (15.8 days).
The month with the least sunshine days is July (10.3 days).
Average UV index in September
Björkvik, 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
Björkvik, Sweden
- Average cloud cover in September: 49
The month with the most cloud cover is February (Cloud cover 69).
The month with the least cloud cover is June (Cloud cover 43).
Average visibility in September
Björkvik, Sweden
- Average visibility in September: 8km
The months with the highest visibility are April, May, June, July and August (9km).
The months with the lowest visibility are January and February (7km).
Björkvik, Sweden
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