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
As August transitions to September, the average high-temperature falls from 29.9°C (85.8°F) to a still warm 24.3°C (75.7°F). During the month of September, the temperature in Fonni generally drops to a low average of 14.9°C (58.8°F).Humidity
The average relative humidity in September is 70%.Rainfall
In September, the rain falls for 12.1 days. Throughout September, 35mm (1.38") of precipitation is accumulated. Throughout the year, in Fonni, there are 153.4 rainfall days, and 531mm (20.91") of precipitation is accumulated.Snowfall
May through November are months without snowfall in Fonni.Daylight
In Fonni, the average length of the day in September is 12h and 27min.On the first day of September in Fonni, Italy, sunrise is at 06:51 and sunset at 19:54. On the last day of the month, sunrise is at 07:18 and sunset at 19:06 CEST.
Sunshine
In Fonni, Italy, the average sunshine in September is 10h.UV index
In Fonni, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 5 during September translates into the following directions:
Guard yourself - An obligation to protect skin and eyes from harm exists. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Frequently asked questions
What are September temperatures in Fonni?
What is the average humidity in September in Fonni?
How much does it rain in Fonni in September?
When it does not snow in Fonni?
How many hours of daylight does Fonni have in September?
When are sunrise and sunset in September in Fonni?
How long on average sun shines in September in Fonni?
What is the UV index intensity in September in Fonni?
Average temperature in September
Fonni, Italy
- Average high temperature in September: 24.3°C
The warmest month (with the highest average high temperature) is August (29.9°C).
The month with the lowest average high temperature is January (9.9°C).
- Average low temperature in September: 14.9°C
The month with the highest average low temperature is August (17.8°C).
The coldest month (with the lowest average low temperature) is February (2.5°C).
Average pressure in September
Fonni, Italy
- Average pressure in September: 1015.6mbar
The month with the highest atmospheric pressure is December (1018.8mbar).
The month with the lowest atmospheric pressure is April (1014mbar).
Average wind speed in September
Fonni, Italy
- Average wind speed in September: 8.1km/h
The windiest month (with the highest average wind speed) is March (12km/h).
The calmest month (with the lowest average wind speed) is August (6.4km/h).
Average humidity in September
Fonni, Italy
- Average humidity in September: 70%
The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are July and August (56%).
Average rainfall in September
Fonni, Italy
- Average rainfall in September: 35mm
The wettest month (with the highest rainfall) is November (75mm).
The driest month (with the least rainfall) is July (18mm).
Average rainfall days in September
Fonni, Italy
- Average rainfall days in September: 12.1 days
The month with the highest number of rainy days is April (16.8 days).
The month with the least rainy days is July (6 days).
Average snowfall in September
Fonni, Italy
- Average snowfall in September: 0mm
The month with the highest snowfall is January (96mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Fonni, Italy
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (5.3 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
Fonni, Italy
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in September: 10h and 0min
The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).
Average sunshine days in September
Fonni, Italy
- Average sunshine days in September: 14.8 days
The month with the most sunshine days is August (22.4 days).
The month with the least sunshine days is January (9.9 days).
Average UV index in September
Fonni, Italy
- Average UV index in September: 5
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
Fonni, Italy
- Average cloud cover in September: 21
The month with the most cloud cover is January (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 9).
Average visibility in September
Fonni, Italy
- Average visibility in September: 10km
The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January, November and December (8km).
Fonni, Italy
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