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 shift from August to September involves a decrease in the average high-temperature, from a moderately hot 27.2°C (81°F) to an agreeable 22.2°C (72°F). In Revello, September's nights observe an average temperature dip to a fresh 10.8°C (51.4°F).Humidity
In September, the average relative humidity is 70%.Rainfall
In September, the rain falls for 9.4 days. Throughout September, 27mm (1.06") of precipitation is accumulated. Throughout the year, there are 132 rainfall days, and 633mm (24.92") of precipitation is accumulated.Snowfall
April through September are months without snowfall.Daylight
In Revello, the average length of the day in September is 12h and 31min.On the first day of the month, sunrise is at 06:53 and sunset at 20:07. On the last day of September, sunrise is at 07:27 and sunset at 19:12 CEST.
Sunshine
The average sunshine in September is 9.7h.UV index
In Revello, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, a daily maximum UV index of 4 leads to the following instructions:
Put precautions into practice - Guidance to elude sunburn is provided. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
Does it snow in September?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
What is the UV index intensity in September in Revello?
Average temperature in September
Revello, Italy
- Average high temperature in September: 22.2°C
The warmest month (with the highest average high temperature) is August (27.2°C).
The month with the lowest average high temperature is January (5.8°C).
- Average low temperature in September: 10.8°C
The month with the highest average low temperature is August (14.8°C).
The coldest month (with the lowest average low temperature) is January (-1.8°C).
Average pressure in September
Revello, Italy
- Average pressure in September: 1016.5mbar
The month with the highest atmospheric pressure is December (1019.2mbar).
The month with the lowest atmospheric pressure is April (1014.1mbar).
Average wind speed in September
Revello, Italy
- Average wind speed in September: 6.3km/h
The windiest month (with the highest average wind speed) is March (7.3km/h).
The calmest month (with the lowest average wind speed) is November (5.9km/h).
Average humidity in September
Revello, Italy
- Average humidity in September: 70%
The months with the highest relative humidity are February and November (75%).
The month with the lowest relative humidity is August (66%).
Average rainfall in September
Revello, Italy
- Average rainfall in September: 27mm
The wettest month (with the highest rainfall) is November (127mm).
The driest month (with the least rainfall) is January (25mm).
Average rainfall days in September
Revello, Italy
- Average rainfall days in September: 9.4 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is January (5.2 days).
Average snowfall in September
Revello, Italy
- Average snowfall in September: 0mm
The month with the highest snowfall is February (167mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).
Average snowfall days in September
Revello, Italy
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (5.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Revello, Italy
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in September: 9h and 4min
The months with the most sunshine are June, July and August (Average sunshine: 11h and 36min).
The month with the least sunshine is November (Average sunshine: 6h and 0min).
Average sunshine days in September
Revello, Italy
- Average sunshine days in September: 16.8 days
The month with the most sunshine days is January (21.3 days).
The month with the least sunshine days is May (7.8 days).
Average UV index in September
Revello, Italy
- Average UV index in September: 4
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
Revello, Italy
- Average cloud cover in September: 21
The month with the most cloud cover is November (Cloud cover 34).
The month with the least cloud cover is August (Cloud cover 17).
Average visibility in September
Revello, Italy
- Average visibility in September: 9km
The months with the highest visibility are June, July and August (10km).
The months with the lowest visibility are January, February, March, April, May, September, October, November and December (9km).
Revello, Italy
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