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
Welcoming September, Grezzana observes a shift in the average high-temperature, falling from August's warm 27.7°C (81.9°F) to a pleasant 22.6°C (72.7°F). During the nights in September, an average low-temperature of 14°C (57.2°F) is observed.Humidity
In Grezzana, the average relative humidity in September is 73%.Rainfall
In Grezzana, in September, it is raining for 12.2 days, with typically 39mm (1.54") of accumulated precipitation. In Grezzana, during the entire year, the rain falls for 149.2 days and collects up to 508mm (20") of precipitation.Snowfall
April through November are months without snowfall.Daylight
In September, the average length of the day is 12h and 32min.On the first day of the month, sunrise is at 06:37 and sunset at 19:53. On the last day of September, sunrise is at 07:13 and sunset at 18:58 CEST.
Sunshine
The average sunshine in September is 9.9h.UV index
In Grezzana, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index, 5 during September, leads to the following recommendations:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Stay sun-safe with clothing that is both closely woven and worn loosely.
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 many days does it rain in September?
When it does not snow?
How many hours of daylight does Grezzana have in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Grezzana have in September?
What is the UV index intensity in September?
Average temperature in September
Grezzana, Italy
- Average high temperature in September: 22.6°C
The warmest month (with the highest average high temperature) is August (27.7°C).
The month with the lowest average high temperature is January (5.8°C).
- Average low temperature in September: 14°C
The month with the highest average low temperature is August (17.8°C).
The coldest month (with the lowest average low temperature) is January (0.9°C).
Average pressure in September
Grezzana, Italy
- Average pressure in September: 1016.7mbar
The month with the highest atmospheric pressure is December (1019.6mbar).
The month with the lowest atmospheric pressure is May (1014.5mbar).
Average wind speed in September
Grezzana, Italy
- Average wind speed in September: 6.7km/h
The windiest month (with the highest average wind speed) is April (8.3km/h).
The calmest month (with the lowest average wind speed) is December (6.2km/h).
Average humidity in September
Grezzana, Italy
- Average humidity in September: 73%
The month with the highest relative humidity is November (80%).
The month with the lowest relative humidity is August (69%).
Average rainfall in September
Grezzana, Italy
- Average rainfall in September: 39mm
The wettest month (with the highest rainfall) is June (75mm).
The driest months (with the least rainfall) are January and December (14mm).
Average rainfall days in September
Grezzana, Italy
- Average rainfall days in September: 12.2 days
The month with the highest number of rainy days is June (18.1 days).
The month with the least rainy days is January (6.9 days).
Average snowfall in September
Grezzana, Italy
- Average snowfall in September: 0mm
The month with the highest snowfall is February (8mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Grezzana, Italy
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (1.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Grezzana, 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 18min).
The month with the least sunshine is February (Average sunshine: 5h and 18min).
Average sunshine days in September
Grezzana, Italy
- Average sunshine days in September: 15.3 days
The months with the most sunshine days are January and December (22.6 days).
The month with the least sunshine days is June (9.2 days).
Average UV index in September
Grezzana, 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, November and December (UV index 2).
Average cloud cover in September
Grezzana, Italy
- Average cloud cover in September: 30
The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 22).
Average visibility in September
Grezzana, Italy
- Average visibility in September: 9km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February, March, April, May, July, August, September, October, November and December (9km).
