September weather forecastCastell de Castells, Spain
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Castell de Castells, Spain, with temperature in the range of an average low of 21.7°C (71.1°F) and an average high of 25.3°C (77.5°F).Temperature
Castell de Castells records a slight change with September's average high-temperatures adjusting to a still warm 25.3°C (77.5°F) from August's 27.8°C (82°F). In September, Castell de Castells's nights cool slightly to a consistent average temperature of 21.7°C (71.1°F).Humidity
In September, the average relative humidity in Castell de Castells is 69%.Rainfall
In Castell de Castells, in September, during 5.8 rainfall days, 14mm (0.55") of precipitation is typically accumulated. In Castell de Castells, during the entire year, the rain falls for 59.7 days and collects up to 140mm (5.51") of precipitation.Daylight
In September, the average length of the day is 12h and 26min.On the first day of the month, sunrise is at 07:30 and sunset at 20:30. On the last day of September, sunrise is at 07:56 and sunset at 19:44 CEST.
Sunshine
The average sunshine in September is 9.3h.UV index
In Castell de Castells, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index, 6 in September, converts into the following recommendations:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Castell de Castells, Spain
- Average high temperature in September: 25.3°C
The warmest month (with the highest average high temperature) is August (27.8°C).
The months with the lowest average high temperature are January and February (14.1°C).
- Average low temperature in September: 21.7°C
The month with the highest average low temperature is August (23.7°C).
The coldest month (with the lowest average low temperature) is February (9.8°C).
Average pressure in September
Castell de Castells, Spain
- Average pressure in September: 1016.7mbar
The month with the highest atmospheric pressure is December (1021.7mbar).
The month with the lowest atmospheric pressure is April (1014.8mbar).
Average wind speed in September
Castell de Castells, Spain
- Average wind speed in September: 10.8km/h
The windiest month (with the highest average wind speed) is January (16.3km/h).
The calmest months (with the lowest average wind speed) are June and August (10.5km/h).
Average humidity in September
Castell de Castells, Spain
- Average humidity in September: 69%
The months with the highest relative humidity are April and August (70%).
The months with the lowest relative humidity are February, June and November (66%).
Average rainfall in September
Castell de Castells, Spain
- Average rainfall in September: 14mm
The wettest month (with the highest rainfall) is April (26mm).
The driest months (with the least rainfall) are February and July (2mm).
Average rainfall days in September
Castell de Castells, Spain
- Average rainfall days in September: 5.8 days
The month with the highest number of rainy days is April (8.3 days).
The month with the least rainy days is August (2.8 days).
Average daylight in September /
Average sunshine in September
Castell de Castells, Spain
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in September: 9h and 18min
The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).
Average sunshine days in September
Castell de Castells, Spain
- Average sunshine days in September: 21.3 days
The month with the most sunshine days is July (26.7 days).
The month with the least sunshine days is April (19.9 days).
Average UV index in September
Castell de Castells, Spain
- Average UV index in September: 6
The months with the highest UV index are July and August (UV index 7).
The months with the lowest UV index are January, February, March, November and December (UV index 4).
Average cloud cover in September
Castell de Castells, Spain
- Average cloud cover in September: 18
The months with the most cloud cover are March and April (Cloud cover 27).
The month with the least cloud cover is July (Cloud cover 11).
Average visibility in September
Castell de Castells, 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).





