September weather forecastSaint-Vincent, Italy
September
Weather in September
September, the first month of the autumn in Saint-Vincent, is also a fresh month, with an average temperature fluctuating between 12.5°C (54.5°F) and 4.2°C (39.6°F).Temperature
Start of September brings a slight shift in the average high-temperature, dipping a bit from August's enjoyable 16.5°C (61.7°F) to a cool 12.5°C (54.5°F). Saint-Vincent observes an average nighttime low-temperature of 4.2°C (39.6°F) during the month of September.Humidity
In September, the average relative humidity is 80%.Rainfall
In Saint-Vincent, during September, the rain falls for 19.2 days and regularly aggregates up to 82mm (3.23") of precipitation. In Saint-Vincent, during the entire year, the rain falls for 178.1 days and collects up to 1496mm (58.9") of precipitation.Snowfall
Months with snowfall are January through June, September through December. September is the first month it typically snows. Throughout September, in the average 0.8 snowfall days, it receives 6mm (0.24") of snow. Throughout the year, there are 104.7 snowfall days, and 3988mm (157.01") of snow is accumulated.Daylight
The average length of the day in September is 12h and 32min.On the first day of the month, sunrise is at 06:51 and sunset at 20:07. On the last day of September, sunrise is at 07:27 and sunset at 19:11 CEST.
Sunshine
In September, the average sunshine is 8.7h.UV index
In Saint-Vincent, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.Note: A maximum high UV index of 3 in September translates into the following recommendations:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. It's recommended to limit sun exposure when its radiation is at its peak during midday. During bright days, sunglasses that offer UVA and UVB defense are recommended. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Saint-Vincent, Italy
- Average high temperature in September: 12.5°C
The warmest month (with the highest average high temperature) is July (16.8°C).
The month with the lowest average high temperature is January (-2.4°C).
- Average low temperature in September: 4.2°C
The months with the highest average low temperature are July and August (7.2°C).
The coldest month (with the lowest average low temperature) is January (-10.3°C).
Average pressure in September
Saint-Vincent, Italy
- Average pressure in September: 1017.8mbar
The month with the highest atmospheric pressure is December (1020.6mbar).
The month with the lowest atmospheric pressure is April (1014.9mbar).
Average wind speed in September
Saint-Vincent, Italy
- Average wind speed in September: 6km/h
The windiest month (with the highest average wind speed) is December (8.9km/h).
The calmest month (with the lowest average wind speed) is August (5.6km/h).
Average humidity in September
Saint-Vincent, Italy
- Average humidity in September: 80%
The months with the highest relative humidity are March and April (86%).
The month with the lowest relative humidity is July (78%).
Average rainfall in September
Saint-Vincent, Italy
- Average rainfall in September: 82mm
The wettest months (with the highest rainfall) are May and June (189mm).
The driest months (with the least rainfall) are January and February (60mm).
Average rainfall days in September
Saint-Vincent, Italy
- Average rainfall days in September: 19.2 days
The month with the highest number of rainy days is June (25.9 days).
The months with the least rainy days are January and February (3.9 days).
Average snowfall in September
Saint-Vincent, Italy
- Average snowfall in September: 6mm
The month with the highest snowfall is November (976mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in September
Saint-Vincent, Italy
- Average snowfall days in September: 0.8 days
The month with the highest number of snowfall days is March (18.8 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Saint-Vincent, Italy
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in September: 8h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is November (Average sunshine: 5h and 6min).
Average sunshine days in September
Saint-Vincent, Italy
- Average sunshine days in September: 8.7 days
The month with the most sunshine days is December (14.7 days).
The month with the least sunshine days is June (3.3 days).
Average UV index in September
Saint-Vincent, Italy
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).
Average cloud cover in September
Saint-Vincent, Italy
- Average cloud cover in September: 38
The month with the most cloud cover is April (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Saint-Vincent, Italy
- Average visibility in September: 8km
The months with the highest visibility are June and July (9km).
The months with the lowest visibility are February, March, April and November (7km).
