September weather forecastUllastrell, Spain
September
Weather in September
The first month of the autumn, September, is still a warm month in Ullastrell, Spain, with an average temperature ranging between max 24.6°C (76.3°F) and min 17.7°C (63.9°F).Temperature
With the onset of September, Ullastrell experiences a modest temperature adjustment, with the average high-temperature gently receding from 28.2°C (82.8°F) in August to a still moderately hot 24.6°C (76.3°F). Ullastrell reports an average low-temperature of 17.7°C (63.9°F) during the nights of September.Humidity
The average relative humidity in September is 71%.Rainfall
In Ullastrell, Spain, during September, the rain falls for 12.8 days and regularly aggregates up to 46mm (1.81") of precipitation. In Ullastrell, during the entire year, the rain falls for 120.3 days and collects up to 439mm (17.28") of precipitation.Snowfall
January through March and September are months with snowfall in Ullastrell. September is the first month it typically snows. Throughout September, in the average 0.1 snowfall days, it receives 1mm (0.04") of snow. In Ullastrell, during the entire year, snow falls for 1.3 days and aggregates up to 22mm (0.87") of snow.Daylight
In Ullastrell, the average length of the day in September is 12h and 28min.On the first day of September in Ullastrell, sunrise is at 07:18 and sunset at 20:25. On the last day of the month, sunrise is at 07:48 and sunset at 19:35 CEST.
Sunshine
The average sunshine in September is 8.9h.UV index
In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: The maximum UV index of 5 during September translates into these guidelines:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ullastrell, Spain
- Average high temperature in September: 24.6°C
The warmest month (with the highest average high temperature) is August (28.2°C).
The month with the lowest average high temperature is January (12°C).
- Average low temperature in September: 17.7°C
The month with the highest average low temperature is August (20.9°C).
The coldest month (with the lowest average low temperature) is January (5.1°C).
Average pressure in September
Ullastrell, Spain
- Average pressure in September: 1017.1mbar
The month with the highest atmospheric pressure is December (1020.7mbar).
The month with the lowest atmospheric pressure is April (1014.7mbar).
Average wind speed in September
Ullastrell, Spain
- Average wind speed in September: 8km/h
The windiest month (with the highest average wind speed) is March (9.9km/h).
The calmest month (with the lowest average wind speed) is October (7.8km/h).
Average humidity in September
Ullastrell, Spain
- Average humidity in September: 71%
The month with the highest relative humidity is October (72%).
The months with the lowest relative humidity are June and July (65%).
Average rainfall in September
Ullastrell, Spain
- Average rainfall in September: 46mm
The wettest month (with the highest rainfall) is October (70mm).
The driest month (with the least rainfall) is February (15mm).
Average rainfall days in September
Ullastrell, Spain
- Average rainfall days in September: 12.8 days
The month with the highest number of rainy days is April (13.3 days).
The month with the least rainy days is December (6.3 days).
Average snowfall in September
Ullastrell, Spain
- Average snowfall in September: 1mm
The month with the highest snowfall is March (9mm).
The months with the least snowfall are April, May, June, July, August, October, November and December (0mm).
Average snowfall days in September
Ullastrell, Spain
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is February (0.8 days).
The months with the least snowfall days are April, May, June, July, August, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Ullastrell, 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 12min).
- Average sunshine in September: 8h and 54min
The months with the most sunshine are June and July (Average sunshine: 11h and 36min).
The month with the least sunshine is November (Average sunshine: 6h and 42min).
Average sunshine days in September
Ullastrell, Spain
- Average sunshine days in September: 13.5 days
The month with the most sunshine days is December (23.3 days).
The month with the least sunshine days is September (13.5 days).
Average UV index in September
Ullastrell, Spain
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in September
Ullastrell, Spain
- Average cloud cover in September: 25
The month with the most cloud cover is April (Cloud cover 32).
The month with the least cloud cover is July (Cloud cover 17).
Average visibility in September
Ullastrell, Spain
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).





