September weather forecastAlustante, Spain
September
Weather in September
The first month of the autumn, September, is still a warm month in Alustante, Spain, with temperature in the range of an average low of 11.7°C (53.1°F) and an average high of 23°C (73.4°F).Temperature
September's arrival correlates with a reduction in the average high-temperature, down from 28.5°C (83.3°F) in August to a still warm 23°C (73.4°F). During September nights, Alustante records an average temperature of 11.7°C (53.1°F).Humidity
The average relative humidity in September is 56%.Rainfall
In Alustante, Spain, during September, the rain falls for 7.6 days and regularly aggregates up to 16mm (0.63") of precipitation. In Alustante, during the entire year, the rain falls for 114.9 days and collects up to 308mm (12.13") of precipitation.Snowfall
In Alustante, snow does not fall in June through October.Daylight
The average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 07:34 and sunset at 20:38. On the last day of September, sunrise is at 08:02 and sunset at 19:50 CEST.
Sunshine
In Alustante, Spain, the average sunshine in September is 9.5h.UV index
In Alustante, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: During September, 5 as the daily maximum UV index converts into the following advice:
Guard yourself - An obligation to protect skin and eyes from harm exists. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Alustante, Spain
- Average high temperature in September: 23°C
The warmest months (with the highest average high temperature) are July and August (28.5°C).
The month with the lowest average high temperature is January (7.2°C).
- Average low temperature in September: 11.7°C
The month with the highest average low temperature is August (15.6°C).
The coldest month (with the lowest average low temperature) is January (-0.3°C).
Average pressure in September
Alustante, Spain
- Average pressure in September: 1017.5mbar
The month with the highest atmospheric pressure is December (1022.5mbar).
The month with the lowest atmospheric pressure is April (1014.9mbar).
Average wind speed in September
Alustante, Spain
- Average wind speed in September: 9.7km/h
The windiest month (with the highest average wind speed) is February (17.7km/h).
The calmest month (with the lowest average wind speed) is September (9.7km/h).
Average humidity in September
Alustante, Spain
- Average humidity in September: 56%
The month with the highest relative humidity is January (75%).
The months with the lowest relative humidity are July and August (47%).
Average rainfall in September
Alustante, Spain
- Average rainfall in September: 16mm
The wettest month (with the highest rainfall) is April (48mm).
The driest months (with the least rainfall) are July and August (12mm).
Average rainfall days in September
Alustante, Spain
- Average rainfall days in September: 7.6 days
The month with the highest number of rainy days is April (14.6 days).
The month with the least rainy days is July (6.1 days).
Average snowfall in September
Alustante, Spain
- Average snowfall in September: 0mm
The month with the highest snowfall is March (48mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in September
Alustante, Spain
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Alustante, 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 July (Average sunshine: 11h and 54min).
The month with the least sunshine is November (Average sunshine: 6h and 24min).
Average sunshine days in September
Alustante, Spain
- Average sunshine days in September: 21.1 days
The month with the most sunshine days is July (23.3 days).
The month with the least sunshine days is April (13.2 days).
Average UV index in September
Alustante, Spain
- Average UV index in September: 5
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
Alustante, Spain
- Average cloud cover in September: 19
The months with the most cloud cover are January and November (Cloud cover 37).
The months with the least cloud cover are July and August (Cloud cover 12).
Average visibility in September
Alustante, Spain
- Average visibility in September: 10km
The months with the highest visibility are May, June, July, August, September, October and December (10km).
The months with the lowest visibility are January, February, March, April and November (9km).
