September weather forecastCastejón de Henares, Spain
September
Weather in September
The first month of the autumn, September, is still a warm month in Castejón de Henares, Spain, with an average temperature varying between 26°C (78.8°F) and 13.9°C (57°F).Temperature
Onset of September witnesses a reduction in the average high-temperature, falling from a hot 31.3°C (88.3°F) in August to a warm 26°C (78.8°F). Castejón de Henares's average low-temperature of 13.9°C (57°F) in September reflects a significant disparity from the daytime highs.Humidity
The average relative humidity in September in Castejón de Henares is 47%.Rainfall
In Castejón de Henares, during September, the rain falls for 5.3 days and regularly aggregates up to 11mm (0.43") of precipitation. Throughout the year, there are 86.7 rainfall days, and 169mm (6.65") of precipitation is accumulated.Snowfall
April through October are months without snowfall in Castejón de Henares.Daylight
In September, the average length of the day in Castejón de Henares is 12h and 28min.On the first day of September in Castejón de Henares, sunrise is at 07:38 and sunset at 20:43. On the last day of the month, sunrise is at 08:07 and sunset at 19:54 CEST.
Sunshine
In September, the average sunshine in Castejón de Henares is 9.6h.UV index
In Castejón de Henares, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: In September, an average UV index of 5 transforms into the following instructions:
Act with care - The suggestion to avoid sunburn is emphasized. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Castejón de Henares, Spain
- Average high temperature in September: 26°C
The warmest month (with the highest average high temperature) is July (31.6°C).
The month with the lowest average high temperature is January (8.6°C).
- Average low temperature in September: 13.9°C
The month with the highest average low temperature is July (17.9°C).
The coldest month (with the lowest average low temperature) is January (1°C).
Average pressure in September
Castejón de Henares, Spain
- Average pressure in September: 1017.4mbar
The month with the highest atmospheric pressure is December (1023.4mbar).
The month with the lowest atmospheric pressure is April (1015mbar).
Average wind speed in September
Castejón de Henares, Spain
- Average wind speed in September: 9.2km/h
The windiest months (with the highest average wind speed) are February and March (12.2km/h).
The calmest month (with the lowest average wind speed) is September (9.2km/h).
Average humidity in September
Castejón de Henares, Spain
- Average humidity in September: 47%
The month with the highest relative humidity is January (77%).
The month with the lowest relative humidity is July (37%).
Average rainfall in September
Castejón de Henares, Spain
- Average rainfall in September: 11mm
The wettest month (with the highest rainfall) is April (27mm).
The driest month (with the least rainfall) is July (7mm).
Average rainfall days in September
Castejón de Henares, Spain
- Average rainfall days in September: 5.3 days
The month with the highest number of rainy days is April (12.1 days).
The month with the least rainy days is August (2.7 days).
Average snowfall in September
Castejón de Henares, Spain
- Average snowfall in September: 0mm
The month with the highest snowfall is January (10mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Castejón de Henares, Spain
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (1.6 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Castejón de Henares, 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 36min
The month with the most sunshine is June (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 6min).
Average sunshine days in September
Castejón de Henares, Spain
- Average sunshine days in September: 23.1 days
The month with the most sunshine days is August (25.2 days).
The month with the least sunshine days is April (15.3 days).
Average UV index in September
Castejón de Henares, Spain
- Average UV index in September: 5
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are November and December (UV index 2).
Average cloud cover in September
Castejón de Henares, Spain
- Average cloud cover in September: 16
The month with the most cloud cover is January (Cloud cover 38).
The month with the least cloud cover is July (Cloud cover 8).
Average visibility in September
Castejón de Henares, Spain
- Average visibility in September: 10km
The months with the highest visibility are February, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, March, April, November and December (9km).
