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 correlates with a minor temperature reduction, down from August's 28.2°C (82.8°F) to a still warm 24.6°C (76.3°F). In Mollet del Vallès, in September, the average low-temperature is a refreshing 17.7°C (63.9°F).Humidity
In September, the average relative humidity is 71%.Rainfall
In Mollet del Vallès, in September, it is raining for 12.8 days, with typically 46mm (1.81") of accumulated precipitation. In Mollet del Vallès, during the entire year, the rain falls for 120.3 days and collects up to 439mm (17.28") of precipitation.Snowfall
Months with snowfall are January through March and September. September is the first month it typically snows. Throughout September, in the average 0.1 snowfall days, it receives 1mm (0.04") of snow. Throughout the year, in Mollet del Vallès, there are 1.3 snowfall days, and 22mm (0.87") of snow is accumulated.Daylight
In Mollet del Vallès, the average length of the day in September is 12h and 28min.On the first day of September, sunrise is at 07:17 and sunset at 20:24. On the last day of the month, sunrise is at 07:47 and sunset at 19:34 CEST.
Sunshine
In Mollet del Vallès, the average sunshine in September is 8.9h.UV index
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 the ordinary person.Note: In September, the UV index of 5 transforms into the following advice:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Frequently asked questions
What are the temperatures in Mollet del Vallès in September?
What is the average humidity in September in Mollet del Vallès?
How many days does it rain in September in Mollet del Vallès?
When does it start snowing in Mollet del Vallès?
How many hours of daylight does Mollet del Vallès have in September?
What time are sunrise and sunset in September in Mollet del Vallès?
How long on average sun shines in September in Mollet del Vallès?
How high is the UV index in September in Mollet del Vallès?
Average temperature in September
Mollet del Vallès, Spain
- Average high temperature in September: 24.6°C
The warmest month (with the highest average high temperature) is August (28.2°C).
The month with the lowest average high temperature is January (12°C).
- Average low temperature in September: 17.7°C
The month with the highest average low temperature is August (20.9°C).
The coldest month (with the lowest average low temperature) is January (5.1°C).
Average pressure in September
Mollet del Vallès, Spain
- Average pressure in September: 1017.1mbar
The month with the highest atmospheric pressure is December (1020.7mbar).
The month with the lowest atmospheric pressure is April (1014.7mbar).
Average wind speed in September
Mollet del Vallès, Spain
- Average wind speed in September: 8km/h
The windiest month (with the highest average wind speed) is March (9.9km/h).
The calmest month (with the lowest average wind speed) is October (7.8km/h).
Average humidity in September
Mollet del Vallès, Spain
- Average humidity in September: 71%
The month with the highest relative humidity is October (72%).
The months with the lowest relative humidity are June and July (65%).
Average rainfall in September
Mollet del Vallès, Spain
- Average rainfall in September: 46mm
The wettest month (with the highest rainfall) is October (70mm).
The driest month (with the least rainfall) is February (15mm).
Average rainfall days in September
Mollet del Vallès, Spain
- Average rainfall days in September: 12.8 days
The month with the highest number of rainy days is April (13.3 days).
The month with the least rainy days is December (6.3 days).
Average snowfall in September
Mollet del Vallès, Spain
- Average snowfall in September: 1mm
The month with the highest snowfall is March (9mm).
The months with the least snowfall are April, May, June, July, August, October, November and December (0mm).
Average snowfall days in September
Mollet del Vallès, Spain
- Average snowfall days in September: 0.1 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, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Mollet del Vallès, Spain
- Average daylight in September: 12h and 3min
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: 8h and 5min
The months with the most sunshine are June and July (Average sunshine: 11h and 36min).
The month with the least sunshine is November (Average sunshine: 6h and 42min).
Average sunshine days in September
Mollet del Vallès, Spain
- Average sunshine days in September: 13.5 days
The month with the most sunshine days is December (23.3 days).
The month with the least sunshine days is September (13.5 days).
Average UV index in September
Mollet del Vallès, 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
Mollet del Vallès, Spain
- Average cloud cover in September: 25
The month with the most cloud cover is April (Cloud cover 32).
The month with the least cloud cover is July (Cloud cover 17).
Average visibility in September
Mollet del Vallès, Spain
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Mollet del Vallès, Spain
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