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 transition into September involves a decrease in the average high-temperature, falling from a warm 28.8°C (83.8°F) in August to a still moderately hot 23.1°C (73.6°F). Forlì del Sannio anticipates an average minimum temperature of 12.1°C (53.8°F) in the month of September.Humidity
In September, the average relative humidity in Forlì del Sannio is 72%.Rainfall
In Forlì del Sannio, during September, the rain falls for 13.8 days and regularly aggregates up to 42mm (1.65") of precipitation. In Forlì del Sannio, during the entire year, the rain falls for 186.2 days and collects up to 769mm (30.28") of precipitation.Snowfall
In Forlì del Sannio, snow does not fall in May through October.Daylight
In Forlì del Sannio, the average length of the day in September is 12h and 29min.On the first day of September in Forlì del Sannio, sunrise is at 06:29 and sunset at 19:36. On the last day of the month, sunrise is at 06:59 and sunset at 18:46 CEST.
Sunshine
The average sunshine in September is 10.6h.UV index
The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 5 during September leads to these advisories:
Take necessary precautions - Suggestions to elude sunburn are provided. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Frequently asked questions
What is the usual temperature for Forlì del Sannio in September?
What is the average humidity in September in Forlì del Sannio?
How many days does it rain in September in Forlì del Sannio?
When it does not snow in Forlì del Sannio?
What is the average length of the day in September in Forlì del Sannio?
When are sunrise and sunset in September in Forlì del Sannio?
How many hours of sunshine does Forlì del Sannio have in September?
How high is the UV index in September in Forlì del Sannio?
Average temperature in September
Forlì del Sannio, Italy
- Average high temperature in September: 23.1°C
The warmest month (with the highest average high temperature) is August (28.8°C).
The month with the lowest average high temperature is January (7.4°C).
- Average low temperature in September: 12.1°C
The month with the highest average low temperature is August (15.2°C).
The coldest month (with the lowest average low temperature) is January (0.3°C).
Average pressure in September
Forlì del Sannio, Italy
- Average pressure in September: 1015.5mbar
The month with the highest atmospheric pressure is December (1018.4mbar).
The month with the lowest atmospheric pressure is July (1013.8mbar).
Average wind speed in September
Forlì del Sannio, Italy
- Average wind speed in September: 7.3km/h
The windiest month (with the highest average wind speed) is February (10.2km/h).
The calmest month (with the lowest average wind speed) is August (6.2km/h).
Average humidity in September
Forlì del Sannio, Italy
- Average humidity in September: 72%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (62%).
Average rainfall in September
Forlì del Sannio, Italy
- Average rainfall in September: 42mm
The wettest month (with the highest rainfall) is November (103mm).
The driest month (with the least rainfall) is August (33mm).
Average rainfall days in September
Forlì del Sannio, Italy
- Average rainfall days in September: 13.8 days
The month with the highest number of rainy days is May (19.7 days).
The month with the least rainy days is August (11.5 days).
Average snowfall in September
Forlì del Sannio, Italy
- Average snowfall in September: 0mm
The month with the highest snowfall is February (68mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Forlì del Sannio, Italy
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.2 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
Forlì del Sannio, Italy
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 10h and 4min
The months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).
Average sunshine days in September
Forlì del Sannio, Italy
- Average sunshine days in September: 13.9 days
The month with the most sunshine days is August (16.8 days).
The month with the least sunshine days is February (8.3 days).
Average UV index in September
Forlì del Sannio, 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, February and December (UV index 2).
Average cloud cover in September
Forlì del Sannio, Italy
- Average cloud cover in September: 26
The month with the most cloud cover is January (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 14).
Average visibility in September
Forlì del Sannio, Italy
- Average visibility in September: 9km
The months with the highest visibility are July and August (10km).
The months with the lowest visibility are January, February and November (8km).
Forlì del Sannio, Italy
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