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
The arrival of September suggests a slight decrease in the average high-temperature, moving from 28.3°C (82.9°F) in August to a still moderately hot 24.4°C (75.9°F). With a notable difference from peak temperatures, an average of 12.1°C (53.8°F) marks the nights in September.Humidity
In Allo, the average relative humidity in September is 65%.Rainfall
September is the month with the least rainfall. Rain falls for 7.7 days and accumulates 10mm (0.39") of precipitation.Snowfall
In Allo, snow does not fall in April through November.Daylight
In Allo, the average length of the day in September is 12h and 29min.On the first day of September, sunrise is at 07:33 and sunset at 20:42. On the last day of the month, sunrise is at 08:04 and sunset at 19:51 CEST.
Sunshine
In September, the average sunshine is 9.3h.UV index
The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: The daily maximum UV index of 5 in September interprets into the following advice:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Frequently asked questions
What are the temperatures in Allo in September?
What is the average humidity in September in Allo?
What is the driest month in Allo?
How much does it rain in Allo in September?
When it does not snow in Allo?
How many hours of daylight does Allo have in September?
When are sunrise and sunset in September in Allo?
How long on average sun shines in September in Allo?
What is the UV index intensity in September in Allo?
Average temperature in September
Allo, Spain
- Average high temperature in September: 24.4°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 (8.8°C).
- Average low temperature in September: 12.1°C
The month with the highest average low temperature is August (14.7°C).
The coldest month (with the lowest average low temperature) is February (1.8°C).
Average pressure in September
Allo, Spain
- Average pressure in September: 1018.3mbar
The month with the highest atmospheric pressure is December (1022.5mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).
Average wind speed in September
Allo, Spain
- Average wind speed in September: 9km/h
The windiest month (with the highest average wind speed) is February (13.3km/h).
The calmest month (with the lowest average wind speed) is September (9km/h).
Average humidity in September
Allo, Spain
- Average humidity in September: 65%
The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is August (62%).
Average rainfall in September
Allo, Spain
- Average rainfall in September: 10mm
The wettest month (with the highest rainfall) is November (37mm).
The driest month (with the least rainfall) is September (10mm).
Average rainfall days in September
Allo, Spain
- Average rainfall days in September: 7.7 days
The month with the highest number of rainy days is April (14.4 days).
The month with the least rainy days is August (6.7 days).
Average snowfall in September
Allo, Spain
- Average snowfall in September: 0mm
The month with the highest snowfall is February (23mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Allo, Spain
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.9 days).
The months with the least snowfall days are May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Allo, Spain
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 9h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 18min).
The month with the least sunshine is November (Average sunshine: 6h and 0min).
Average sunshine days in September
Allo, Spain
- Average sunshine days in September: 18.3 days
The month with the most sunshine days is August (20.1 days).
The months with the least sunshine days are April and May (11.8 days).
Average UV index in September
Allo, Spain
- Average UV index in September: 5
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is November (UV index 2).
Average cloud cover in September
Allo, Spain
- Average cloud cover in September: 23
The months with the most cloud cover are January and November (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in September
Allo, Spain
- Average visibility in September: 10km
The months with the highest visibility are June, July, August, September, October and December (10km).
The months with the lowest visibility are January, February, March, April, May and November (9km).
Allo, Spain
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