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
Björnlunda's weather subtly changes with the onset of September, barely falling from a pleasant 21.1°C (70°F) in August to a comfortable 16.5°C (61.7°F). In Björnlunda, September nights cool down to an average of 9.3°C (48.7°F).Humidity
The average relative humidity in September is 79%.Rainfall
In September, the rain falls for 12.5 days. Throughout September, 28mm (1.1") of precipitation is accumulated. In Björnlunda, Sweden, during the entire year, the rain falls for 143.7 days and collects up to 387mm (15.24") of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day in Björnlunda, Sweden, is 12h and 50min.On the first day of the month, sunrise is at 05:50 and sunset at 19:52. On the last day of September, sunrise is at 06:55 and sunset at 18:27 CEST.
Sunshine
The average sunshine in September in Björnlunda is 8.1h.UV index
In September, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: In September, an average UV index of 3 transforms into the following instructions:
Put precautions into practice - Protective measures against sun-induced damage are advised. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Björnlunda?
What is the average humidity in September in Björnlunda?
How many days does it rain in September in Björnlunda?
When it does not snow in Björnlunda?
Does it snow in Björnlunda in September?
What is the average length of the day in September in Björnlunda?
When is the sunrise / sunset in September in Björnlunda?
How many hours of sunshine does Björnlunda have in September?
What is the UV index intensity in September in Björnlunda?
Average temperature in September
Björnlunda, Sweden
- Average high temperature in September: 16.5°C
The warmest month (with the highest average high temperature) is July (22.1°C).
The month with the lowest average high temperature is January (-0.6°C).
- Average low temperature in September: 9.3°C
The month with the highest average low temperature is July (12.8°C).
The coldest month (with the lowest average low temperature) is January (-3.9°C).
Average pressure in September
Björnlunda, Sweden
- Average pressure in September: 1013.5mbar
The month with the highest atmospheric pressure is May (1014.8mbar).
The month with the lowest atmospheric pressure is December (1008.1mbar).
Average wind speed in September
Björnlunda, Sweden
- Average wind speed in September: 12.9km/h
The windiest month (with the highest average wind speed) is December (16km/h).
The calmest month (with the lowest average wind speed) is August (11.5km/h).
Average humidity in September
Björnlunda, Sweden
- Average humidity in September: 79%
The months with the highest relative humidity are January, February, November and December (89%).
The month with the lowest relative humidity is May (70%).
Average rainfall in September
Björnlunda, Sweden
- Average rainfall in September: 28mm
The wettest month (with the highest rainfall) is October (41mm).
The driest month (with the least rainfall) is April (18mm).
Average rainfall days in September
Björnlunda, Sweden
- Average rainfall days in September: 12.5 days
The months with the highest number of rainy days are July and August (14.6 days).
The month with the least rainy days is February (7.1 days).
Average snowfall in September
Björnlunda, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is January (110mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Björnlunda, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (14 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Björnlunda, Sweden
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 18h and 24min).
The month with the shortest days is December (Average daylight: 6h and 18min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 2h and 30min).
Average sunshine days in September
Björnlunda, Sweden
- Average sunshine days in September: 14.5 days
The month with the most sunshine days is April (14.6 days).
The month with the least sunshine days is February (10.3 days).
Average UV index in September
Björnlunda, 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
Björnlunda, Sweden
- Average cloud cover in September: 44
The months with the most cloud cover are February and December (Cloud cover 67).
The months with the least cloud cover are June, July and August (Cloud cover 40).
Average visibility in September
Björnlunda, 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).
