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
September's onset brings a negligible change in high-temperatures, falling from a warm 26.5°C (79.7°F) in August to a pleasant 21.6°C (70.9°F). Throughout the month of September, Boltaña witnesses an average temperature of 10.5°C (50.9°F).Humidity
In September, the average relative humidity in Boltaña, Spain, is 64%.Rainfall
In Boltaña, during September, the rain falls for 9.3 days and regularly aggregates up to 19mm (0.75") of precipitation. In Boltaña, Spain, during the entire year, the rain falls for 102.4 days and collects up to 258mm (10.16") of precipitation.Snowfall
In Boltaña, snow does not fall in April through October.Daylight
The average length of the day in September in Boltaña is 12h and 29min.On the first day of the month, sunrise is at 07:25 and sunset at 20:33. On the last day of September, sunrise is at 07:56 and sunset at 19:42 CEST.
Sunshine
In Boltaña, the average sunshine in September is 9.7h.UV index
In Boltaña, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: In September, an average UV index of 4 transforms into the following instructions:
Exercise care. People with light skin might get burns in fewer than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Frequently asked questions
What are September temperatures in Boltaña?
What is the average humidity in September in Boltaña?
How much does it rain in Boltaña in September?
When it does not snow in Boltaña?
How many hours of daylight does Boltaña have in September?
When is the sunrise / sunset in September in Boltaña?
How many hours of sunshine does Boltaña have in September?
How high is the UV index in September in Boltaña?
Average temperature in September
Boltaña, Spain
- Average high temperature in September: 21.6°C
The warmest month (with the highest average high temperature) is July (26.8°C).
The month with the lowest average high temperature is January (6.5°C).
- Average low temperature in September: 10.5°C
The month with the highest average low temperature is August (14°C).
The coldest month (with the lowest average low temperature) is February (-1.7°C).
Average pressure in September
Boltaña, Spain
- Average pressure in September: 1018mbar
The month with the highest atmospheric pressure is December (1021.8mbar).
The month with the lowest atmospheric pressure is April (1015.2mbar).
Average wind speed in September
Boltaña, Spain
- Average wind speed in September: 6.6km/h
The windiest month (with the highest average wind speed) is February (9.1km/h).
The calmest month (with the lowest average wind speed) is September (6.6km/h).
Average humidity in September
Boltaña, Spain
- Average humidity in September: 64%
The months with the highest relative humidity are January and November (74%).
The month with the lowest relative humidity is July (56%).
Average rainfall in September
Boltaña, Spain
- Average rainfall in September: 19mm
The wettest month (with the highest rainfall) is August (31mm).
The driest month (with the least rainfall) is February (8mm).
Average rainfall days in September
Boltaña, Spain
- Average rainfall days in September: 9.3 days
The month with the highest number of rainy days is May (12 days).
The month with the least rainy days is December (4.7 days).
Average snowfall in September
Boltaña, Spain
- Average snowfall in September: 0mm
The month with the highest snowfall is February (25mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Boltaña, Spain
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (2.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Boltaña, Spain
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 9h and 4min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is November (Average sunshine: 6h and 42min).
Average sunshine days in September
Boltaña, Spain
- Average sunshine days in September: 18.5 days
The month with the most sunshine days is December (25.1 days).
The month with the least sunshine days is April (15 days).
Average UV index in September
Boltaña, Spain
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Boltaña, Spain
- Average cloud cover in September: 17
The month with the most cloud cover is April (Cloud cover 31).
The month with the least cloud cover is July (Cloud cover 12).
Average visibility in September
Boltaña, Spain
- Average visibility in September: 10km
The months with the highest visibility are February, May, June, July, August, September, October and December (10km).
The months with the lowest visibility are January, March, April and November (9km).
Boltaña, Spain
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