September weather forecastErandio, Spain
September
Weather in September
September, the first month of the autumn in Erandio, is still a pleasant month, with an average temperature fluctuating between 21.6°C (70.9°F) and 15.7°C (60.3°F).Temperature
Erandio experiences an average high-temperature of a pleasant 21.6°C (70.9°F) in September, subtly different from August's 23.3°C (73.9°F). Throughout the month of September, Erandio observes an average nighttime temperature of 15.7°C (60.3°F).Humidity
In Erandio, 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
April through November are months without snowfall in Erandio, Spain.Daylight
In September, the average length of the day in Erandio is 12h and 30min.On the first day of September in Erandio, sunrise is at 07:36 and sunset at 20:46. On the last day of the month, sunrise is at 08:08 and sunset at 19:54 CEST.
Sunshine
In Erandio, the average sunshine in September is 8.3h.UV index
May through September, with an average maximum UV index of 5, are months with the highest UV index. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: In September, the maximum UV index of 5 suggests these recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Erandio, 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
Erandio, 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
Erandio, 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
Erandio, 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
Erandio, 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
Erandio, 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
Erandio, 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
Erandio, 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
Erandio, 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
Erandio, 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
Erandio, 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
Erandio, 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
Erandio, 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).
