September weather forecastSopelana, Spain
September
Weather in September
September, the first month of the autumn in Sopelana, is still a pleasant month, with an average temperature ranging between min 15.9°C (60.6°F) and max 21.5°C (70.7°F).Temperature
Sopelana's shift into September is marked by a subtle change to an agreeable 21.5°C (70.7°F) from August's 23°C (73.4°F) in temperature. In Sopelana, the average temperature during the nights of September drops to a mild 15.9°C (60.6°F).Humidity
The average relative humidity in September in Sopelana is 74%.Rainfall
In Sopelana, Spain, during September, the rain falls for 15.3 days and regularly aggregates up to 40mm (1.57") of precipitation. In Sopelana, during the entire year, the rain falls for 207.3 days and collects up to 710mm (27.95") of precipitation.Snowfall
In Sopelana, snow does not fall in April through November.Daylight
The average length of the day in September is 12h and 30min.On the first day of September in Sopelana, Spain, sunrise is at 07:36 and sunset at 20:47. On the last day of the month, sunrise is at 08:08 and sunset at 19:54 CEST.
Sunshine
In Sopelana, the average sunshine in September is 8.3h.UV index
The months with the highest UV index in Sopelana are May through September, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: A maximum UV index of 5 in September translates into the following recommendations:
Exercise care. People with light skin might get burns in fewer than 30 minutes. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sopelana, Spain
- Average high temperature in September: 21.5°C
The warmest month (with the highest average high temperature) is August (23°C).
The month with the lowest average high temperature is January (10.8°C).
- Average low temperature in September: 15.9°C
The month with the highest average low temperature is August (17.3°C).
The coldest month (with the lowest average low temperature) is February (7.1°C).
Average pressure in September
Sopelana, Spain
- Average pressure in September: 1018.4mbar
The month with the highest atmospheric pressure is December (1021.7mbar).
The month with the lowest atmospheric pressure is April (1015.6mbar).
Average wind speed in September
Sopelana, Spain
- Average wind speed in September: 11.3km/h
The windiest month (with the highest average wind speed) is February (17.8km/h).
The calmest month (with the lowest average wind speed) is August (10.3km/h).
Average humidity in September
Sopelana, Spain
- Average humidity in September: 74%
The month with the highest relative humidity is June (79%).
The month with the lowest relative humidity is October (72%).
Average rainfall in September
Sopelana, Spain
- Average rainfall in September: 40mm
The wettest month (with the highest rainfall) is November (115mm).
The driest months (with the least rainfall) are July and August (36mm).
Average rainfall days in September
Sopelana, Spain
- Average rainfall days in September: 15.3 days
The month with the highest number of rainy days is November (19.7 days).
The month with the least rainy days is October (14.5 days).
Average snowfall in September
Sopelana, Spain
- Average snowfall in September: 0mm
The month with the highest snowfall is February (23mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Sopelana, Spain
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.4 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
Sopelana, Spain
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in September: 8h and 18min
The months with the most sunshine are June and July (Average sunshine: 9h and 24min).
The month with the least sunshine is November (Average sunshine: 5h and 12min).
Average sunshine days in September
Sopelana, Spain
- Average sunshine days in September: 10.6 days
The month with the most sunshine days is October (13.3 days).
The month with the least sunshine days is November (8.1 days).
Average UV index in September
Sopelana, 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
Sopelana, 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
Sopelana, Spain
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, June, July, August, September, October and December (10km).
The months with the lowest visibility are January, May and November (9km).








