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
In September, the average high-temperature marginally drops from a warm 28.2°C (82.8°F) in August to a still moderately hot 23.5°C (74.3°F). An average temperature of 13.9°C (57°F) is recorded during the nights in September.Humidity
In September, the average relative humidity is 74%.Rainfall
In September, in Vercelli, the rain falls for 14.8 days. Throughout September, 58mm (2.28") of precipitation is accumulated. In Vercelli, during the entire year, the rain falls for 170.1 days and collects up to 913mm (35.94") of precipitation.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in September is 12h and 32min.On the first day of September in Vercelli, sunrise is at 06:48 and sunset at 20:03. On the last day of the month, sunrise is at 07:23 and sunset at 19:08 CEST.
Sunshine
In September, the average sunshine is 9.7h.UV index
The average daily maximum UV index in September in Vercelli is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: The UV index of 5 during September leads to these advisories:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Frequently asked questions
What are September temperatures in Vercelli?
What is the average humidity in September in Vercelli?
How much does it rain in Vercelli in September?
When it does not snow in Vercelli?
How many hours of daylight does Vercelli have in September?
When are sunrise and sunset in September in Vercelli?
How many hours of sunshine does Vercelli have in September?
What is the UV index intensity in September in Vercelli?
Average temperature in September
Vercelli, Italy
- Average high temperature in September: 23.5°C
The warmest month (with the highest average high temperature) is July (28.3°C).
The month with the lowest average high temperature is January (5.8°C).
- Average low temperature in September: 13.9°C
The month with the highest average low temperature is August (17.2°C).
The coldest month (with the lowest average low temperature) is January (0.5°C).
Average pressure in September
Vercelli, Italy
- Average pressure in September: 1017mbar
The month with the highest atmospheric pressure is December (1019.9mbar).
The month with the lowest atmospheric pressure is April (1014.5mbar).
Average wind speed in September
Vercelli, Italy
- Average wind speed in September: 5.2km/h
The windiest month (with the highest average wind speed) is April (6.5km/h).
The calmest month (with the lowest average wind speed) is December (4.8km/h).
Average humidity in September
Vercelli, Italy
- Average humidity in September: 74%
The month with the highest relative humidity is November (81%).
The months with the lowest relative humidity are March, April and August (72%).
Average rainfall in September
Vercelli, Italy
- Average rainfall in September: 58mm
The wettest month (with the highest rainfall) is November (151mm).
The driest month (with the least rainfall) is January (23mm).
Average rainfall days in September
Vercelli, Italy
- Average rainfall days in September: 14.8 days
The month with the highest number of rainy days is July (18.9 days).
The month with the least rainy days is January (7.4 days).
Average snowfall in September
Vercelli, Italy
- Average snowfall in September: 0mm
The month with the highest snowfall is February (38mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Vercelli, Italy
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (2.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Vercelli, 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 4min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is November (Average sunshine: 5h and 12min).
Average sunshine days in September
Vercelli, Italy
- Average sunshine days in September: 11.6 days
The month with the most sunshine days is January (20.1 days).
The month with the least sunshine days is July (5.6 days).
Average UV index in September
Vercelli, 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
Vercelli, Italy
- Average cloud cover in September: 26
The month with the most cloud cover is November (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 20).
Average visibility in September
Vercelli, Italy
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
Vercelli, Italy
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