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
September shows a mild decline in the average high-temperature, falling from August's hot 31°C (87.8°F) to a moderately hot 24.9°C (76.8°F). Colle Sannita reports an average low-temperature of 14.7°C (58.5°F) during the nights of September.Humidity
The average relative humidity in September in Colle Sannita, Italy, is 68%.Rainfall
In Colle Sannita, Italy, in September, it is raining for 12.8 days, with typically 35mm (1.38") of accumulated precipitation. In Colle Sannita, during the entire year, the rain falls for 154.9 days and collects up to 443mm (17.44") of precipitation.Snowfall
In Colle Sannita, snow does not fall in May through October and December.Daylight
The average length of the day in September in Colle Sannita is 12h and 28min.On the first day of the month, sunrise is at 06:27 and sunset at 19:33. On the last day of September, sunrise is at 06:56 and sunset at 18:44 CEST.
Sunshine
The average sunshine in September in Colle Sannita is 10.5h.UV index
In Colle Sannita, Italy, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The daily maximum UV index of 5 in September interprets into the following advice:
Exercise care. People with light skin might get burns in fewer than 30 minutes. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Frequently asked questions
What is the average September temperature in Colle Sannita?
What is the average humidity in September in Colle Sannita?
How much does it rain in Colle Sannita in September?
When it does not snow in Colle Sannita?
What is the average length of the day in September in Colle Sannita?
When are sunrise and sunset in September in Colle Sannita?
How long on average sun shines in September in Colle Sannita?
How high is the UV index in September in Colle Sannita?
Average temperature in September
Colle Sannita, Italy
- Average high temperature in September: 24.9°C
The warmest month (with the highest average high temperature) is August (31°C).
The month with the lowest average high temperature is January (9.5°C).
- Average low temperature in September: 14.7°C
The month with the highest average low temperature is August (17.6°C).
The coldest months (with the lowest average low temperature) are January and February (2.8°C).
Average pressure in September
Colle Sannita, Italy
- Average pressure in September: 1015.4mbar
The month with the highest atmospheric pressure is December (1018.3mbar).
The month with the lowest atmospheric pressure is July (1013.7mbar).
Average wind speed in September
Colle Sannita, Italy
- Average wind speed in September: 8.3km/h
The windiest month (with the highest average wind speed) is February (11.5km/h).
The calmest month (with the lowest average wind speed) is August (7.1km/h).
Average humidity in September
Colle Sannita, Italy
- Average humidity in September: 68%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is August (58%).
Average rainfall in September
Colle Sannita, Italy
- Average rainfall in September: 35mm
The wettest month (with the highest rainfall) is November (67mm).
The driest month (with the least rainfall) is August (21mm).
Average rainfall days in September
Colle Sannita, Italy
- Average rainfall days in September: 12.8 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is August (10 days).
Average snowfall in September
Colle Sannita, Italy
- Average snowfall in September: 0mm
The month with the highest snowfall is February (7mm).
The months with the least snowfall are May, June, July, August, September, October and December (0mm).
Average snowfall days in September
Colle Sannita, Italy
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.6 days).
The months with the least snowfall days are May, June, July, August, September, October and December (0 days).
Average daylight in September /
Average sunshine in September
Colle Sannita, Italy
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 10h and 3min
The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).
Average sunshine days in September
Colle Sannita, Italy
- Average sunshine days in September: 14.5 days
The month with the most sunshine days is October (18.1 days).
The months with the least sunshine days are February and May (11.8 days).
Average UV index in September
Colle Sannita, Italy
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
Colle Sannita, Italy
- Average cloud cover in September: 24
The months with the most cloud cover are January and February (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in September
Colle Sannita, 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, March, April, May, September, October, November and December (9km).
Colle Sannita, Italy
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