September weather forecastOrrios, Spain
September
Weather in September
September, the first month of the autumn in Orrios, is also an agreeable month, with an average temperature ranging between max 22.1°C (71.8°F) and min 11.4°C (52.5°F).Temperature
The start of September involves a temperature drop, moving from a moderately hot 27.7°C (81.9°F) in August to a pleasant 22.1°C (71.8°F). September's average low-temperature reading in Orrios settles at a cool 11.4°C (52.5°F).Humidity
The average relative humidity in September is 60%.Rainfall
In Orrios, Spain, during September, the rain falls for 10.6 days and regularly aggregates up to 23mm (0.91") of precipitation. Throughout the year, there are 114.8 rainfall days, and 293mm (11.54") of precipitation is accumulated.Snowfall
In Orrios, snow does not fall in May through October.Daylight
In Orrios, the average length of the day in September is 12h and 28min.On the first day of September, sunrise is at 07:31 and sunset at 20:35. On the last day of the month, sunrise is at 07:59 and sunset at 19:47 CEST.
Sunshine
In September, the average sunshine in Orrios is 9.5h.UV index
In Orrios, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: An average maximum UV index of 4 in September leads to these recommendations:
Ensure safety - Recommendations to avert sunburn are presented. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. 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
Orrios, Spain
- Average high temperature in September: 22.1°C
The warmest month (with the highest average high temperature) is July (27.9°C).
The month with the lowest average high temperature is January (6.8°C).
- Average low temperature in September: 11.4°C
The month with the highest average low temperature is August (15.4°C).
The coldest month (with the lowest average low temperature) is January (-1.2°C).
Average pressure in September
Orrios, Spain
- Average pressure in September: 1017.4mbar
The month with the highest atmospheric pressure is December (1022.3mbar).
The month with the lowest atmospheric pressure is April (1014.8mbar).
Average wind speed in September
Orrios, Spain
- Average wind speed in September: 8.9km/h
The windiest month (with the highest average wind speed) is February (16.3km/h).
The calmest month (with the lowest average wind speed) is September (8.9km/h).
Average humidity in September
Orrios, Spain
- Average humidity in September: 60%
The month with the highest relative humidity is January (76%).
The month with the lowest relative humidity is July (49%).
Average rainfall in September
Orrios, Spain
- Average rainfall in September: 23mm
The wettest month (with the highest rainfall) is April (39mm).
The driest month (with the least rainfall) is February (14mm).
Average rainfall days in September
Orrios, Spain
- Average rainfall days in September: 10.6 days
The month with the highest number of rainy days is April (14.3 days).
The month with the least rainy days is July (6.5 days).
Average snowfall in September
Orrios, Spain
- Average snowfall in September: 0mm
The month with the highest snowfall is January (53mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Orrios, Spain
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (4.7 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Orrios, Spain
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 9h and 30min
The month with the most sunshine is June (Average sunshine: 11h and 54min).
The months with the least sunshine are November and December (Average sunshine: 6h and 48min).
Average sunshine days in September
Orrios, Spain
- Average sunshine days in September: 17.1 days
The month with the most sunshine days is July (21.1 days).
The month with the least sunshine days is April (14.1 days).
Average UV index in September
Orrios, 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
Orrios, Spain
- Average cloud cover in September: 20
The month with the most cloud cover is January (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 11).
Average visibility in September
Orrios, Spain
- Average visibility in September: 10km
The months with the highest visibility are May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, April, November and December (9km).





