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
With the beginning of September, the average high-temperature shows a small decrease, transitioning from a moderately hot 28.2°C (82.8°F) in August to a still warm 23.5°C (74.3°F). Throughout the month of September, Greggio observes an average nighttime temperature of 13.9°C (57°F).Humidity
In September, the average relative humidity in Greggio is 74%.Rainfall
In Greggio, Italy, during September, the rain falls for 14.8 days and regularly aggregates up to 58mm (2.28") of precipitation. In Greggio, Italy, during the entire year, the rain falls for 170.1 days and collects up to 913mm (35.94") of precipitation.Snowfall
In Greggio, snow does not fall in April through October.Daylight
In September, the average length of the day is 12h and 32min.On the first day of September, sunrise is at 06:48 and sunset at 20:04. On the last day of the month, sunrise is at 07:24 and sunset at 19:08 CEST.
Sunshine
In Greggio, the average sunshine in September is 9.7h.UV index
In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index of 5 in September converts into the following recommendations:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Greggio in September?
What is the average humidity in September in Greggio?
How many days does it rain in September in Greggio?
When it does not snow in Greggio?
How many hours of daylight does Greggio have in September?
When are sunrise and sunset in September in Greggio?
How many hours of sunshine does Greggio have in September?
What is the UV index reading in September in Greggio?
Average temperature in September
Greggio, 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
Greggio, 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
Greggio, 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
Greggio, 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
Greggio, 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
Greggio, 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
Greggio, 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
Greggio, 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
Greggio, 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
Greggio, 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
Greggio, 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
Greggio, 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
Greggio, 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).
