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
With the commencement of September, Björköby records a moderate temperature decline, with the average high easing from August's pleasant 20.3°C (68.5°F) to a refreshing 15.7°C (60.3°F). Throughout September, an average low-temperature of 8.2°C (46.8°F) is experienced.Humidity
In Björköby, the average relative humidity in September is 82%.Rainfall
In Björköby, in September, during 11.9 rainfall days, 24mm (0.94") of precipitation is typically accumulated. In Björköby, during the entire year, the rain falls for 143 days and collects up to 394mm (15.51") of precipitation.Snowfall
In Björköby, snow does not fall in June through September.Daylight
In Björköby, Sweden, the average length of the day in September is 12h and 47min.On the first day of the month, sunrise is at 06:02 and sunset at 19:57. On the last day of September, sunrise is at 07:03 and sunset at 18:37 CEST.
Sunshine
The average sunshine in September is 6.9h.UV index
The average daily maximum UV index in September in Björköby is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: An average UV index of 3 in September transforms into this advice:
Put precautions into practice - Protective measures against sun-induced damage are advised. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What is the average humidity in September?
How much does it rain in Björköby in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Björköby have in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Björköby have in September?
What is the UV index reading in September?
Average temperature in September
Björköby, Sweden
- Average high temperature in September: 15.7°C
The warmest month (with the highest average high temperature) is July (21.2°C).
The month with the lowest average high temperature is January (-0.3°C).
- Average low temperature in September: 8.2°C
The month with the highest average low temperature is July (11.6°C).
The coldest months (with the lowest average low temperature) are January and February (-3.8°C).
Average pressure in September
Björköby, Sweden
- Average pressure in September: 1014.4mbar
The months with the highest atmospheric pressure are April and May (1015mbar).
The month with the lowest atmospheric pressure is December (1009.5mbar).
Average wind speed in September
Björköby, Sweden
- Average wind speed in September: 13km/h
The windiest month (with the highest average wind speed) is December (14.4km/h).
The calmest month (with the lowest average wind speed) is August (11.7km/h).
Average humidity in September
Björköby, Sweden
- Average humidity in September: 82%
The months with the highest relative humidity are January, February and November (91%).
The month with the lowest relative humidity is May (70%).
Average rainfall in September
Björköby, Sweden
- Average rainfall in September: 24mm
The wettest month (with the highest rainfall) is July (46mm).
The driest month (with the least rainfall) is April (14mm).
Average rainfall days in September
Björköby, Sweden
- Average rainfall days in September: 11.9 days
The month with the highest number of rainy days is August (16.2 days).
The month with the least rainy days is February (5.3 days).
Average snowfall in September
Björköby, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is February (168mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Björköby, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (17.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Björköby, Sweden
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 17h and 54min).
The month with the shortest days is December (Average daylight: 6h and 42min).
- Average sunshine in September: 6h and 5min
The month with the most sunshine is June (Average sunshine: 9h and 18min).
The months with the least sunshine are January and December (Average sunshine: 2h and 30min).
Average sunshine days in September
Björköby, Sweden
- Average sunshine days in September: 14.3 days
The month with the most sunshine days is April (16.1 days).
The month with the least sunshine days is December (9.6 days).
Average UV index in September
Björköby, 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 and March (UV index 1).
Average cloud cover in September
Björköby, Sweden
- Average cloud cover in September: 56
The months with the most cloud cover are January and December (Cloud cover 75).
The months with the least cloud cover are April and June (Cloud cover 46).
Average visibility in September
Björköby, Sweden
- Average visibility in September: 8km
The months with the highest visibility are April, May, June and July (9km).
The months with the lowest visibility are January, February and November (7km).
