September weather forecastArenillas, Spain
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Arenillas, Spain, with an average temperature varying between 21.8°C (71.2°F) and 10.4°C (50.7°F).Temperature
The onset of September brings a small shift in high-temperatures, falling from a moderately hot 26.6°C (79.9°F) in August to an agreeable 21.8°C (71.2°F). An average low-temperature of 10.4°C (50.7°F) is recorded during the nights in September.Humidity
The average relative humidity in September is 62%.Rainfall
In Arenillas, in September, it is raining for 10.2 days, with typically 28mm (1.1") of accumulated precipitation. Throughout the year, there are 124.1 rainfall days, and 386mm (15.2") of precipitation is accumulated.Snowfall
In Arenillas, snow does not fall in June through October.Daylight
In Arenillas, the average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 07:38 and sunset at 20:44. On the last day of September, in Arenillas, sunrise is at 08:07 and sunset at 19:54 CEST.
Sunshine
In Arenillas, the average sunshine in September is 9.5h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.Note: The maximum UV index, 4 during September, leads to the following recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. Around midday, solar radiation is most harmful; hence, exposure should be limited. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Arenillas, Spain
- Average high temperature in September: 21.8°C
The warmest month (with the highest average high temperature) is August (26.6°C).
The month with the lowest average high temperature is January (6°C).
- Average low temperature in September: 10.4°C
The month with the highest average low temperature is August (13.5°C).
The coldest months (with the lowest average low temperature) are January and February (-0.5°C).
Average pressure in September
Arenillas, Spain
- Average pressure in September: 1018mbar
The month with the highest atmospheric pressure is December (1022.9mbar).
The month with the lowest atmospheric pressure is April (1015.2mbar).
Average wind speed in September
Arenillas, Spain
- Average wind speed in September: 9.2km/h
The windiest month (with the highest average wind speed) is February (16.3km/h).
The calmest months (with the lowest average wind speed) are July, August and September (9.2km/h).
Average humidity in September
Arenillas, Spain
- Average humidity in September: 62%
The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is August (55%).
Average rainfall in September
Arenillas, Spain
- Average rainfall in September: 28mm
The wettest month (with the highest rainfall) is June (53mm).
The driest month (with the least rainfall) is December (16mm).
Average rainfall days in September
Arenillas, Spain
- Average rainfall days in September: 10.2 days
The month with the highest number of rainy days is April (15.9 days).
The month with the least rainy days is February (5.8 days).
Average snowfall in September
Arenillas, Spain
- Average snowfall in September: 0mm
The month with the highest snowfall is January (78mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in September
Arenillas, Spain
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Arenillas, Spain
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 6min).
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 July (Average sunshine: 11h and 30min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).
Average sunshine days in September
Arenillas, Spain
- Average sunshine days in September: 17.4 days
The month with the most sunshine days is December (22.4 days).
The month with the least sunshine days is April (11.2 days).
Average UV index in September
Arenillas, Spain
- Average UV index in September: 4
The month with the highest UV index is 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
Arenillas, Spain
- Average cloud cover in September: 22
The month with the most cloud cover is January (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in September
Arenillas, Spain
- Average visibility in September: 10km
The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January, February, March, April, May, October, November and December (9km).





