September weather forecastCastellolí, Spain
September
Weather in September
September, the first month of the autumn in Castellolí, is still a warm month, with temperature in the range of an average low of 15.1°C (59.2°F) and an average high of 24.5°C (76.1°F).Temperature
The start of September involves a subtle temperature drop, shifting from a moderately hot 28.8°C (83.8°F) in August to a still warm 24.5°C (76.1°F). Nighttime temperatures in Castellolí consistently average a moderate 15.1°C (59.2°F) during September.Humidity
The average relative humidity in September in Castellolí is 70%.Rainfall
In Castellolí, in September, it is raining for 14.5 days, with typically 49mm (1.93") of accumulated precipitation. Throughout the year, there are 133.1 rainfall days, and 473mm (18.62") of precipitation is accumulated.Snowfall
April through December are months without snowfall.Daylight
In September, the average length of the day is 12h and 28min.On the first day of September, sunrise is at 07:19 and sunset at 20:26. On the last day of the month, sunrise is at 07:49 and sunset at 19:36 CEST.
Sunshine
In Castellolí, the average sunshine in September is 9.3h.UV index
In Castellolí, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum UV index of 5 in September translates into the following recommendations:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. It's recommended to limit sun exposure when its radiation is at its peak during midday. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Castellolí, Spain
- Average high temperature in September: 24.5°C
The warmest month (with the highest average high temperature) is July (29.2°C).
The month with the lowest average high temperature is January (10.9°C).
- Average low temperature in September: 15.1°C
The month with the highest average low temperature is August (18.2°C).
The coldest month (with the lowest average low temperature) is February (2.5°C).
Average pressure in September
Castellolí, Spain
- Average pressure in September: 1017.3mbar
The month with the highest atmospheric pressure is December (1020.9mbar).
The month with the lowest atmospheric pressure is April (1014.8mbar).
Average wind speed in September
Castellolí, Spain
- Average wind speed in September: 6.5km/h
The windiest month (with the highest average wind speed) is March (8.7km/h).
The calmest month (with the lowest average wind speed) is September (6.5km/h).
Average humidity in September
Castellolí, Spain
- Average humidity in September: 70%
The months with the highest relative humidity are April, October and December (72%).
The month with the lowest relative humidity is July (62%).
Average rainfall in September
Castellolí, Spain
- Average rainfall in September: 49mm
The wettest month (with the highest rainfall) is October (64mm).
The driest month (with the least rainfall) is February (16mm).
Average rainfall days in September
Castellolí, Spain
- Average rainfall days in September: 14.5 days
The month with the highest number of rainy days is April (15.5 days).
The month with the least rainy days is December (5.7 days).
Average snowfall in September
Castellolí, Spain
- Average snowfall in September: 0mm
The month with the highest snowfall is February (16mm).
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in September
Castellolí, Spain
- Average snowfall days in September: 0 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, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Castellolí, 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: 9h and 18min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is November (Average sunshine: 6h and 54min).
Average sunshine days in September
Castellolí, Spain
- Average sunshine days in September: 12 days
The month with the most sunshine days is December (23.6 days).
The month with the least sunshine days is September (12 days).
Average UV index in September
Castellolí, 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
Castellolí, Spain
- Average cloud cover in September: 22
The month with the most cloud cover is April (Cloud cover 31).
The month with the least cloud cover is July (Cloud cover 15).
Average visibility in September
Castellolí, Spain
- Average visibility in September: 9km
The months with the highest visibility are January, February, May, June, July, August, November and December (10km).
The months with the lowest visibility are March, April, September and October (9km).





