September weather forecastCernadilla, Spain
September
Weather in September
September, the first month of the autumn in Cernadilla, is still a warm month, with temperature in the range of an average low of 11.5°C (52.7°F) and an average high of 24.2°C (75.6°F).Temperature
Cernadilla's progression into September involves a minor drop in the average high-temperature, slightly receding from a moderately hot 28.3°C (82.9°F) in August to a still warm 24.2°C (75.6°F). Throughout September, Cernadilla braces for a considerable drop from daytime highs, with an average low-temperature of 11.5°C (52.7°F).Humidity
The average relative humidity in September is 57%.Rainfall
In September, in Cernadilla, the rain falls for 6.9 days. Throughout September, 27mm (1.06") of precipitation is accumulated. Throughout the year, in Cernadilla, there are 141.4 rainfall days, and 527mm (20.75") of precipitation is accumulated.Snowfall
In Cernadilla, snow does not fall in April through October.Daylight
The average length of the day in September in Cernadilla is 12h and 29min.On the first day of September, sunrise is at 07:51 and sunset at 20:59. On the last day of the month, sunrise is at 08:22 and sunset at 20:08 CEST.
Sunshine
In September, the average sunshine is 9.8h.UV index
In September, the average daily maximum UV index in Cernadilla is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.Note: A maximum UV index of 5 in September translates into the following recommendations:
Preventative actions are necessary - Recommendations to ward off sunburn are given. To protect against the Sun's most potent rays, avoid direct exposure around midday. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Cernadilla, Spain
- Average high temperature in September: 24.2°C
The warmest month (with the highest average high temperature) is August (28.3°C).
The month with the lowest average high temperature is January (8.3°C).
- Average low temperature in September: 11.5°C
The month with the highest average low temperature is July (13.8°C).
The coldest month (with the lowest average low temperature) is February (1.2°C).
Average pressure in September
Cernadilla, Spain
- Average pressure in September: 1017.8mbar
The month with the highest atmospheric pressure is December (1022.9mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).
Average wind speed in September
Cernadilla, Spain
- Average wind speed in September: 8.3km/h
The windiest month (with the highest average wind speed) is March (11.2km/h).
The calmest month (with the lowest average wind speed) is September (8.3km/h).
Average humidity in September
Cernadilla, Spain
- Average humidity in September: 57%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (52%).
Average rainfall in September
Cernadilla, Spain
- Average rainfall in September: 27mm
The wettest month (with the highest rainfall) is November (73mm).
The driest month (with the least rainfall) is August (11mm).
Average rainfall days in September
Cernadilla, Spain
- Average rainfall days in September: 6.9 days
The month with the highest number of rainy days is April (17.6 days).
The month with the least rainy days is August (4.2 days).
Average snowfall in September
Cernadilla, Spain
- Average snowfall in September: 0mm
The month with the highest snowfall is February (19mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Cernadilla, Spain
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (2.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Cernadilla, 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 48min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).
Average sunshine days in September
Cernadilla, Spain
- Average sunshine days in September: 20.8 days
The month with the most sunshine days is August (24.5 days).
The month with the least sunshine days is April (10.8 days).
Average UV index in September
Cernadilla, Spain
- Average UV index in September: 5
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Cernadilla, Spain
- Average cloud cover in September: 20
The month with the most cloud cover is January (Cloud cover 50).
The months with the least cloud cover are July and August (Cloud cover 13).
Average visibility in September
Cernadilla, Spain
- Average visibility in September: 10km
The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January, November and December (8km).





