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 shift from August to September involves a decrease in the average high-temperature, dropping from a warm 29.4°C (84.9°F) to a still moderately hot 24.3°C (75.7°F). Throughout the month of September, Gragnano Trebbiense observes an average nighttime temperature of 13.7°C (56.7°F).Humidity
In September, the average relative humidity in Gragnano Trebbiense is 72%.Rainfall
In September, in Gragnano Trebbiense, Italy, the rain falls for 13.4 days. Throughout September, 47mm (1.85") of precipitation is accumulated. Throughout the year, there are 167.1 rainfall days, and 679mm (26.73") of precipitation is accumulated.Snowfall
April through October are months without snowfall in Gragnano Trebbiense.Daylight
The average length of the day in September is 12h and 31min.On the first day of the month, sunrise is at 06:44 and sunset at 19:58. On the last day of September, in Gragnano Trebbiense, sunrise is at 07:19 and sunset at 19:03 CEST.
Sunshine
The average sunshine in September is 10h.UV index
In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: The UV index of 5 in September translates into these instructions:
Undertake precautions - Obligation exists to protect against skin and eye damage. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Frequently asked questions
What is the average September temperature in Gragnano Trebbiense?
What is the average humidity in September in Gragnano Trebbiense?
How much does it rain in Gragnano Trebbiense in September?
When it does not snow in Gragnano Trebbiense?
How many hours of daylight does Gragnano Trebbiense have in September?
What time are sunrise and sunset in September in Gragnano Trebbiense?
How long on average sun shines in September in Gragnano Trebbiense?
What is the UV index reading in September in Gragnano Trebbiense?
Average temperature in September
Gragnano Trebbiense, Italy
- Average high temperature in September: 24.3°C
The warmest month (with the highest average high temperature) is August (29.4°C).
The month with the lowest average high temperature is January (6.4°C).
- Average low temperature in September: 13.7°C
The month with the highest average low temperature is August (17.1°C).
The coldest month (with the lowest average low temperature) is January (1°C).
Average pressure in September
Gragnano Trebbiense, Italy
- Average pressure in September: 1016.3mbar
The month with the highest atmospheric pressure is December (1019.3mbar).
The month with the lowest atmospheric pressure is May (1014.2mbar).
Average wind speed in September
Gragnano Trebbiense, Italy
- Average wind speed in September: 6.1km/h
The windiest month (with the highest average wind speed) is March (7.5km/h).
The calmest month (with the lowest average wind speed) is December (5.7km/h).
Average humidity in September
Gragnano Trebbiense, Italy
- Average humidity in September: 72%
The month with the highest relative humidity is November (85%).
The month with the lowest relative humidity is August (66%).
Average rainfall in September
Gragnano Trebbiense, Italy
- Average rainfall in September: 47mm
The wettest month (with the highest rainfall) is November (84mm).
The driest month (with the least rainfall) is January (33mm).
Average rainfall days in September
Gragnano Trebbiense, Italy
- Average rainfall days in September: 13.4 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is December (8.6 days).
Average snowfall in September
Gragnano Trebbiense, Italy
- Average snowfall in September: 0mm
The months with the highest snowfall are January and February (41mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Gragnano Trebbiense, Italy
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.9 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
Gragnano Trebbiense, 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: 10h and 0min
The months with the most sunshine are June and July (Average sunshine: 11h and 30min).
The month with the least sunshine is November (Average sunshine: 5h and 6min).
Average sunshine days in September
Gragnano Trebbiense, Italy
- Average sunshine days in September: 13.2 days
The month with the most sunshine days is December (18.6 days).
The month with the least sunshine days is July (6.5 days).
Average UV index in September
Gragnano Trebbiense, Italy
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, November and December (UV index 2).
Average cloud cover in September
Gragnano Trebbiense, Italy
- Average cloud cover in September: 24
The month with the most cloud cover is November (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in September
Gragnano Trebbiense, Italy
- Average visibility in September: 9km
The months with the highest visibility are June, July and August (10km).
The months with the lowest visibility are January, February and November (8km).
Gragnano Trebbiense, Italy
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