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 transition to September results in a modest reduction in average high-temperature, moving from an enjoyable 19.5°C (67.1°F) in August to a moderate 15.2°C (59.4°F). In Blidö, the month of September brings a consistent average low-temperature of 10.9°C (51.6°F), slightly cooler than its daytime highs.Humidity
In September, the average relative humidity in Blidö is 79%.Rainfall
In Blidö, in September, it is raining for 13.3 days, with typically 25mm (0.98") of accumulated precipitation. In Blidö, Sweden, during the entire year, the rain falls for 140.1 days and collects up to 354mm (13.94") of precipitation.Snowfall
In Blidö, Sweden, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 51min.On the first day of September in Blidö, sunrise is at 05:41 and sunset at 19:46. On the last day of the month, sunrise is at 06:48 and sunset at 18:19 CEST.
Sunshine
The average sunshine in September in Blidö is 8.3h.UV index
In September, the average daily maximum UV index in Blidö is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: In September, an average UV index of 3 transforms into the following instructions:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. The Sun's radiation is especially intense around midday; try to stay in shade during this period. 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
What are the temperatures in Blidö in September?
What is the average humidity in September in Blidö?
How many days does it rain in September in Blidö?
When it does not snow in Blidö?
Does it snow in Blidö in September?
What is the average length of the day in September in Blidö?
When are sunrise and sunset in September in Blidö?
How long on average sun shines in September in Blidö?
What is the UV index intensity in September in Blidö?
Average temperature in September
Blidö, Sweden
- Average high temperature in September: 15.2°C
The warmest months (with the highest average high temperature) are July and August (19.5°C).
The month with the lowest average high temperature is January (0.2°C).
- Average low temperature in September: 10.9°C
The months with the highest average low temperature are July and August (14.1°C).
The coldest months (with the lowest average low temperature) are January and February (-2.5°C).
Average pressure in September
Blidö, Sweden
- Average pressure in September: 1013.2mbar
The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1007.5mbar).
Average wind speed in September
Blidö, Sweden
- Average wind speed in September: 17.1km/h
The windiest month (with the highest average wind speed) is December (21.8km/h).
The calmest month (with the lowest average wind speed) is July (14.3km/h).
Average humidity in September
Blidö, Sweden
- Average humidity in September: 79%
The months with the highest relative humidity are February and November (86%).
The months with the lowest relative humidity are April, May and June (75%).
Average rainfall in September
Blidö, Sweden
- Average rainfall in September: 25mm
The wettest month (with the highest rainfall) is July (52mm).
The driest month (with the least rainfall) is April (16mm).
Average rainfall days in September
Blidö, Sweden
- Average rainfall days in September: 13.3 days
The month with the highest number of rainy days is August (16.2 days).
The month with the least rainy days is February (5.8 days).
Average snowfall in September
Blidö, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is February (82mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Blidö, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Blidö, Sweden
- Average daylight in September: 12h and 5min
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 2min
The month with the most sunshine is June (Average sunshine: 12h and 42min).
The month with the least sunshine is December (Average sunshine: 2h and 24min).
Average sunshine days in September
Blidö, Sweden
- Average sunshine days in September: 13.2 days
The month with the most sunshine days is May (14.5 days).
The month with the least sunshine days is August (11.3 days).
Average UV index in September
Blidö, 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 and February (UV index 1).
Average cloud cover in September
Blidö, Sweden
- Average cloud cover in September: 41
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in September
Blidö, Sweden
- Average visibility in September: 10km
The months with the highest visibility are June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, April, May, November and December (9km).
