September weather forecastDeusto, Spain
September
Weather in September
September, the first month of the autumn in Deusto, is also an agreeable month, with an average temperature fluctuating between 21.6°C (70.9°F) and 15.7°C (60.3°F).Temperature
The commencement of September introduces an average high-temperature of a pleasant 21.6°C (70.9°F), closely mirroring the preceding month. Deusto records a steady low-temperature average of 15.7°C (60.3°F) during September.Humidity
The average relative humidity in September is 75%.Rainfall
September is the month with the least rainfall. Rain falls for 14 days and accumulates 31mm (1.22") of precipitation.Snowfall
In Deusto, snow does not fall in April through November.Daylight
The average length of the day in September in Deusto is 12h and 30min.On the first day of the month, sunrise is at 07:36 and sunset at 20:46. On the last day of September, sunrise is at 08:08 and sunset at 19:54 CEST.
Sunshine
In Deusto, Spain, the average sunshine in September is 8.3h.UV index
The months with the highest UV index are May through September, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The UV index of 5 during September leads to these advisories:
Act with care - Obligation to protect against skin and eye damage is highlighted. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. 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
Average temperature in September
Deusto, Spain
- Average high temperature in September: 21.6°C
The warmest month (with the highest average high temperature) is August (23.3°C).
The month with the lowest average high temperature is January (10.8°C).
- Average low temperature in September: 15.7°C
The month with the highest average low temperature is August (16.9°C).
The coldest month (with the lowest average low temperature) is February (6.5°C).
Average pressure in September
Deusto, Spain
- Average pressure in September: 1018.4mbar
The month with the highest atmospheric pressure is December (1021.8mbar).
The month with the lowest atmospheric pressure is April (1015.6mbar).
Average wind speed in September
Deusto, Spain
- Average wind speed in September: 10.8km/h
The windiest month (with the highest average wind speed) is February (17.2km/h).
The calmest month (with the lowest average wind speed) is August (9.9km/h).
Average humidity in September
Deusto, Spain
- Average humidity in September: 75%
The months with the highest relative humidity are May and June (79%).
The month with the lowest relative humidity is October (73%).
Average rainfall in September
Deusto, Spain
- Average rainfall in September: 31mm
The wettest month (with the highest rainfall) is November (103mm).
The driest month (with the least rainfall) is September (31mm).
Average rainfall days in September
Deusto, Spain
- Average rainfall days in September: 14 days
The month with the highest number of rainy days is January (18.6 days).
The month with the least rainy days is October (12.7 days).
Average snowfall in September
Deusto, Spain
- Average snowfall in September: 0mm
The month with the highest snowfall is February (12mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Deusto, Spain
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.2 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Deusto, Spain
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in September: 8h and 18min
The month with the most sunshine is July (Average sunshine: 9h and 30min).
The month with the least sunshine is November (Average sunshine: 5h and 12min).
Average sunshine days in September
Deusto, Spain
- Average sunshine days in September: 13.4 days
The month with the most sunshine days is October (15.4 days).
The month with the least sunshine days is May (8.8 days).
Average UV index in September
Deusto, Spain
- Average UV index in September: 5
The months with the highest UV index are May, June, July, August and September (UV index 5).
The months with the lowest UV index are January, February, March, April, November and December (UV index 3).
Average cloud cover in September
Deusto, Spain
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 51).
The months with the least cloud cover are September and October (Cloud cover 34).
Average visibility in September
Deusto, Spain
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
