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
September
Weather in September
Temperature
September's arrival signals a moderate reduction in the average high-temperature, easing from 29.2°C (84.6°F) in August to a still warm 24.3°C (75.7°F). The temperature in Fombio dips to an average of 14.2°C (57.6°F) during September nights.Humidity
In Fombio, the average relative humidity in September is 72%.Rainfall
In September, in Fombio, the rain falls for 11.6 days. Throughout September, 62mm (2.44") of precipitation is accumulated. Throughout the year, there are 149.2 rainfall days, and 735mm (28.94") of precipitation is accumulated.Snowfall
April through November are months without snowfall.Daylight
In Fombio, the average length of the day in September is 12h and 32min.On the first day of September in Fombio, Italy, sunrise is at 06:43 and sunset at 19:58. On the last day of the month, sunrise is at 07:18 and sunset at 19:03 CEST.
Sunshine
In September, the average sunshine is 9.9h.UV index
In Fombio, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: In September, the maximum UV index of 5 translates into these guidelines:
Undertake precautions - Obligation exists to protect against skin and eye damage. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Fombio in September?
What is the average humidity in September in Fombio?
How many days does it rain in September in Fombio?
When it does not snow in Fombio?
How many hours of daylight does Fombio have in September?
When is the sunrise / sunset in September in Fombio?
How many hours of sunshine does Fombio have in September?
What is the UV index intensity in September in Fombio?
Average temperature in September
Fombio, Italy
- Average high temperature in September: 24.3°C
The warmest month (with the highest average high temperature) is July (29.3°C).
The month with the lowest average high temperature is January (6.4°C).
- Average low temperature in September: 14.2°C
The month with the highest average low temperature is August (18°C).
The coldest month (with the lowest average low temperature) is January (1°C).
Average pressure in September
Fombio, Italy
- Average pressure in September: 1016.7mbar
The month with the highest atmospheric pressure is December (1019.7mbar).
The months with the lowest atmospheric pressure are April and May (1014.5mbar).
Average wind speed in September
Fombio, Italy
- Average wind speed in September: 5.5km/h
The windiest months (with the highest average wind speed) are March and April (7.1km/h).
The calmest month (with the lowest average wind speed) is August (5.4km/h).
Average humidity in September
Fombio, Italy
- Average humidity in September: 72%
The month with the highest relative humidity is November (83%).
The month with the lowest relative humidity is August (69%).
Average rainfall in September
Fombio, Italy
- Average rainfall in September: 62mm
The wettest month (with the highest rainfall) is November (92mm).
The driest month (with the least rainfall) is January (21mm).
Average rainfall days in September
Fombio, Italy
- Average rainfall days in September: 11.6 days
The month with the highest number of rainy days is June (17.5 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in September
Fombio, Italy
- Average snowfall in September: 0mm
The month with the highest snowfall is February (16mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Fombio, Italy
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Fombio, Italy
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in September: 9h and 5min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is November (Average sunshine: 5h and 6min).
Average sunshine days in September
Fombio, Italy
- Average sunshine days in September: 16 days
The month with the most sunshine days is January (23.2 days).
The month with the least sunshine days is June (9.5 days).
Average UV index in September
Fombio, Italy
- Average UV index in September: 5
The months with the highest UV index are June and 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
Fombio, Italy
- Average cloud cover in September: 25
The month with the most cloud cover is November (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 18).
Average visibility in September
Fombio, 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).
