September weather forecastGratallops, Spain
September
Weather in September
September, the first month of the autumn in Gratallops, is still a warm month, with an average temperature varying between 24.8°C (76.6°F) and 19°C (66.2°F).Temperature
The onset of September notes an average high-temperature of a still moderately hot 24.8°C (76.6°F), subtly shifted from August's 27.7°C (81.9°F). Throughout September, Gratallops's nights cool down to an average of 19°C (66.2°F).Humidity
In September, the average relative humidity is 69%.Rainfall
In Gratallops, in September, it is raining for 12.2 days, with typically 39mm (1.54") of accumulated precipitation. In Gratallops, during the entire year, the rain falls for 114.9 days and collects up to 393mm (15.47") of precipitation.Snowfall
In Gratallops, snow does not fall in March through December.Daylight
The average length of the day in September in Gratallops is 12h and 28min.On the first day of the month, sunrise is at 07:23 and sunset at 20:29. On the last day of September, sunrise is at 07:53 and sunset at 19:40 CEST.
Sunshine
The average sunshine in September is 9.3h.UV index
The months with the highest UV index are May through September, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, the UV index of 6 transforms into the following advice:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Gratallops, Spain
- Average high temperature in September: 24.8°C
The warmest month (with the highest average high temperature) is August (27.7°C).
The month with the lowest average high temperature is January (11.6°C).
- Average low temperature in September: 19°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 (6.5°C).
Average pressure in September
Gratallops, Spain
- Average pressure in September: 1017.3mbar
The month with the highest atmospheric pressure is December (1021.1mbar).
The month with the lowest atmospheric pressure is April (1014.7mbar).
Average wind speed in September
Gratallops, Spain
- Average wind speed in September: 10.8km/h
The windiest month (with the highest average wind speed) is January (16.6km/h).
The calmest month (with the lowest average wind speed) is August (10.2km/h).
Average humidity in September
Gratallops, Spain
- Average humidity in September: 69%
The month with the highest relative humidity is December (72%).
The months with the lowest relative humidity are June and July (66%).
Average rainfall in September
Gratallops, Spain
- Average rainfall in September: 39mm
The wettest month (with the highest rainfall) is October (60mm).
The driest month (with the least rainfall) is July (16mm).
Average rainfall days in September
Gratallops, Spain
- Average rainfall days in September: 12.2 days
The month with the highest number of rainy days is April (14 days).
The month with the least rainy days is December (6.3 days).
Average snowfall in September
Gratallops, Spain
- Average snowfall in September: 0mm
The month with the highest snowfall is February (5mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in September
Gratallops, Spain
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.5 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
Gratallops, 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 18min
The months with the most sunshine are June and July (Average sunshine: 11h and 48min).
The month with the least sunshine is November (Average sunshine: 6h and 48min).
Average sunshine days in September
Gratallops, Spain
- Average sunshine days in September: 13.7 days
The month with the most sunshine days is December (23.5 days).
The month with the least sunshine days is September (13.7 days).
Average UV index in September
Gratallops, Spain
- Average UV index in September: 6
The months with the highest UV index are May, June, July, August and September (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in September
Gratallops, Spain
- Average cloud cover in September: 21
The month with the most cloud cover is April (Cloud cover 31).
The month with the least cloud cover is July (Cloud cover 14).
Average visibility in September
Gratallops, 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).








