Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
Start of September brings a shift in the average high-temperature, falling from August's hot 32.2°C (90°F) to a moderately hot 26.9°C (80.4°F). During the month of September, the nighttime temperature falls to an average of 15.2°C (59.4°F).Humidity
In September, the average relative humidity in Alcala de Henares is 44%.Rainfall
In Alcala de Henares, in September, during 4.8 rainfall days, 13mm (0.51") of precipitation is typically accumulated. In Alcala de Henares, Spain, during the entire year, the rain falls for 91.7 days and collects up to 267mm (10.51") of precipitation.Snowfall
In Alcala de Henares, snow does not fall in April through October.Daylight
In Alcala de Henares, the average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 07:41 and sunset at 20:45. On the last day of September, in Alcala de Henares, sunrise is at 08:09 and sunset at 19:57 CEST.
Sunshine
The average sunshine in September in Alcala de Henares is 9.6h.UV index
The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, a daily maximum UV index of 5 leads to the following instructions:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Frequently asked questions
What is the average September temperature in Alcala de Henares?
What is the average humidity in September in Alcala de Henares?
How much does it rain in Alcala de Henares in September?
When it does not snow in Alcala de Henares?
What is the average length of the day in September in Alcala de Henares?
What time are sunrise and sunset in September in Alcala de Henares?
How many hours of sunshine does Alcala de Henares have in September?
What is the UV index reading in September in Alcala de Henares?
Average temperature in September
Alcala de Henares, Spain
- Average high temperature in September: 26.9°C
The warmest month (with the highest average high temperature) is July (32.6°C).
The month with the lowest average high temperature is January (9.5°C).
- Average low temperature in September: 15.2°C
The months with the highest average low temperature are July and August (19.7°C).
The coldest month (with the lowest average low temperature) is January (1.8°C).
Average pressure in September
Alcala de Henares, Spain
- Average pressure in September: 1017.4mbar
The month with the highest atmospheric pressure is December (1023.5mbar).
The month with the lowest atmospheric pressure is April (1015mbar).
Average wind speed in September
Alcala de Henares, Spain
- Average wind speed in September: 9.6km/h
The windiest month (with the highest average wind speed) is March (12.5km/h).
The calmest month (with the lowest average wind speed) is December (9.5km/h).
Average humidity in September
Alcala de Henares, Spain
- Average humidity in September: 44%
The month with the highest relative humidity is January (75%).
The month with the lowest relative humidity is July (33%).
Average rainfall in September
Alcala de Henares, Spain
- Average rainfall in September: 13mm
The wettest month (with the highest rainfall) is April (44mm).
The driest month (with the least rainfall) is July (5mm).
Average rainfall days in September
Alcala de Henares, Spain
- Average rainfall days in September: 4.8 days
The month with the highest number of rainy days is April (12.3 days).
The month with the least rainy days is August (2 days).
Average snowfall in September
Alcala de Henares, Spain
- Average snowfall in September: 0mm
The month with the highest snowfall is January (8mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Alcala de Henares, Spain
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (1.1 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
Alcala de Henares, Spain
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 9h and 4min
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 12min).
Average sunshine days in September
Alcala de Henares, Spain
- Average sunshine days in September: 23.8 days
The month with the most sunshine days is August (28.5 days).
The month with the least sunshine days is April (14.8 days).
Average UV index in September
Alcala de Henares, Spain
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are November and December (UV index 2).
Average cloud cover in September
Alcala de Henares, Spain
- Average cloud cover in September: 15
The month with the most cloud cover is January (Cloud cover 36).
The month with the least cloud cover is July (Cloud cover 7).
Average visibility in September
Alcala de Henares, Spain
- Average visibility in September: 10km
The months with the highest visibility are February, March, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, April, November and December (9km).
Alcala de Henares, Spain
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