September weather forecastUllà, Spain
September
Weather in September
The first month of the autumn, September, is still a warm month in Ullà, Spain, with an average temperature varying between 19.4°C (66.9°F) and 23.7°C (74.7°F).Temperature
The arrival of September corresponds with a minor reduction in the average high-temperature, down from August's 26.7°C (80.1°F) to a still warm 23.7°C (74.7°F). September nights reflect a consistent temperature dip to a refreshing 19.4°C (66.9°F), a slight descent from daytime peaks.Humidity
The average relative humidity in September in Ullà is 71%.Rainfall
In Ullà, in September, during 10.4 rainfall days, 43mm (1.69") of precipitation is typically accumulated. Throughout the year, there are 109.5 rainfall days, and 393mm (15.47") of precipitation is accumulated.Snowfall
January, March through December are months without snowfall in Ullà.Daylight
The average length of the day in September in Ullà is 12h and 29min.On the first day of September in Ullà, sunrise is at 07:13 and sunset at 20:21. On the last day of the month, sunrise is at 07:44 and sunset at 19:30 CEST.
Sunshine
The average sunshine in September is 9.1h.UV index
In Ullà, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: An average UV index of 5 in September transforms into this advice:
Take precautions - Protection against sun damage is advised. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ullà, Spain
- Average high temperature in September: 23.7°C
The warmest month (with the highest average high temperature) is August (26.7°C).
The month with the lowest average high temperature is January (12.3°C).
- Average low temperature in September: 19.4°C
The month with the highest average low temperature is August (21.7°C).
The coldest month (with the lowest average low temperature) is February (7.8°C).
Average pressure in September
Ullà, Spain
- Average pressure in September: 1016.9mbar
The month with the highest atmospheric pressure is December (1020.3mbar).
The month with the lowest atmospheric pressure is November (1014.6mbar).
Average wind speed in September
Ullà, Spain
- Average wind speed in September: 13.9km/h
The windiest month (with the highest average wind speed) is February (19.4km/h).
The calmest months (with the lowest average wind speed) are June and July (13km/h).
Average humidity in September
Ullà, Spain
- Average humidity in September: 71%
The month with the highest relative humidity is April (74%).
The month with the lowest relative humidity is February (68%).
Average rainfall in September
Ullà, Spain
- Average rainfall in September: 43mm
The wettest month (with the highest rainfall) is October (54mm).
The driest month (with the least rainfall) is August (13mm).
Average rainfall days in September
Ullà, Spain
- Average rainfall days in September: 10.4 days
The month with the highest number of rainy days is April (11.8 days).
The month with the least rainy days is December (6.3 days).
Average snowfall in September
Ullà, Spain
- Average snowfall in September: 0mm
The month with the highest snowfall is February (1mm).
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in September
Ullà, Spain
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.4 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Ullà, Spain
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 9h and 6min
The month with the most sunshine is June (Average sunshine: 11h and 36min).
The month with the least sunshine is January (Average sunshine: 6h and 30min).
Average sunshine days in September
Ullà, Spain
- Average sunshine days in September: 16.9 days
The month with the most sunshine days is December (21.8 days).
The month with the least sunshine days is November (16.7 days).
Average UV index in September
Ullà, 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 and November (UV index 3).
Average cloud cover in September
Ullà, Spain
- Average cloud cover in September: 22
The months with the most cloud cover are January, March and April (Cloud cover 30).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility in September
Ullà, 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).








