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 average high-temperature slightly decreases in September, shifting from a moderately hot 25.1°C (77.2°F) in August to an agreeable 20.7°C (69.3°F). An average temperature of 9.8°C (49.6°F) is recorded during the nights in September.Humidity
In Valgrana, the average relative humidity in September is 72%.Rainfall
In Valgrana, in September, it is raining for 11.7 days, with typically 40mm (1.57") of accumulated precipitation. In Valgrana, during the entire year, the rain falls for 152.2 days and collects up to 789mm (31.06") of precipitation.Snowfall
Months with snowfall are January through April, September through December. September is the first month it typically snows in Valgrana. Throughout September, in the average 0.1 snowfall days, it receives 1mm (0.04") of snow. In Valgrana, Italy, during the entire year, snow falls for 22.1 days and aggregates up to 758mm (29.84") of snow.Daylight
In Valgrana, 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 20:06. On the last day of September, sunrise is at 07:27 and sunset at 19:12 CEST.
Sunshine
In September, the average sunshine is 9.7h.UV index
The average daily maximum UV index in September in Valgrana is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: In September, the maximum UV index of 4 transforms into these recommendations:
Be vigilant - Preventing sunburn is recommended. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Frequently asked questions
What is the temperature in September in Valgrana?
What is the average humidity in September in Valgrana?
How much does it rain in Valgrana in September?
When does it start to snow in Valgrana?
What is the average length of the day in September in Valgrana?
When is the sunrise / sunset in September in Valgrana?
How long on average sun shines in September in Valgrana?
What is the UV index intensity in September in Valgrana?
Average temperature in September
Valgrana, Italy
- Average high temperature in September: 20.7°C
The warmest month (with the highest average high temperature) is August (25.1°C).
The month with the lowest average high temperature is January (5.3°C).
- Average low temperature in September: 9.8°C
The month with the highest average low temperature is August (13.9°C).
The coldest month (with the lowest average low temperature) is February (-2.2°C).
Average pressure in September
Valgrana, Italy
- Average pressure in September: 1016.3mbar
The month with the highest atmospheric pressure is December (1019.1mbar).
The month with the lowest atmospheric pressure is April (1014.1mbar).
Average wind speed in September
Valgrana, Italy
- Average wind speed in September: 5.9km/h
The windiest month (with the highest average wind speed) is March (7km/h).
The calmest month (with the lowest average wind speed) is November (5.7km/h).
Average humidity in September
Valgrana, Italy
- Average humidity in September: 72%
The months with the highest relative humidity are February, May and November (75%).
The month with the lowest relative humidity is August (69%).
Average rainfall in September
Valgrana, Italy
- Average rainfall in September: 40mm
The wettest month (with the highest rainfall) is November (146mm).
The driest month (with the least rainfall) is January (31mm).
Average rainfall days in September
Valgrana, Italy
- Average rainfall days in September: 11.7 days
The month with the highest number of rainy days is June (19 days).
The month with the least rainy days is January (5.9 days).
Average snowfall in September
Valgrana, Italy
- Average snowfall in September: 1mm
The month with the highest snowfall is February (215mm).
The months with the least snowfall are May, June, July and August (0mm).
Average snowfall days in September
Valgrana, Italy
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is February (6.3 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Valgrana, 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 month with the most sunshine is June (Average sunshine: 11h and 30min).
The month with the least sunshine is November (Average sunshine: 6h and 12min).
Average sunshine days in September
Valgrana, Italy
- Average sunshine days in September: 14.8 days
The month with the most sunshine days is December (21.3 days).
The month with the least sunshine days is June (7.9 days).
Average UV index in September
Valgrana, 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, October, November and December (UV index 2).
Average cloud cover in September
Valgrana, Italy
- Average cloud cover in September: 22
The month with the most cloud cover is November (Cloud cover 33).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in September
Valgrana, Italy
- Average visibility in September: 9km
The months with the highest visibility are June and August (10km).
The months with the lowest visibility are January, February, March, April, May, July, September, October, November and December (9km).
Valgrana, Italy
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