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
A moderate decline in the average high-temperature is seen during September, decreasing from 29°C (84.2°F) in August to a still moderately hot 23.5°C (74.3°F). In Sant'Elena Sannita, in September, the average low-temperature is a mild 13.5°C (56.3°F).Humidity
In Sant'Elena Sannita, the average relative humidity in September is 70%.Rainfall
In Sant'Elena Sannita, in September, it is raining for 13.3 days, with typically 46mm (1.81") of accumulated precipitation. In Sant'Elena Sannita, during the entire year, the rain falls for 174.8 days and collects up to 663mm (26.1") of precipitation.Snowfall
In Sant'Elena Sannita, snow does not fall in May through October.Daylight
In September, the average length of the day is 12h and 28min.On the first day of the month, sunrise is at 06:28 and sunset at 19:35. On the last day of September, sunrise is at 06:58 and sunset at 18:45 CEST.
Sunshine
In September, the average sunshine in Sant'Elena Sannita is 10.2h.UV index
The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: A daily maximum UV index of 5 in September translates into the following instructions:
Heed the precautions - Suggestions to avoid sunburn are made. To avoid the Sun's strongest rays, limit exposure around the mid-day period. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Sant'Elena Sannita in September?
What is the average humidity in September in Sant'Elena Sannita?
How much does it rain in Sant'Elena Sannita in September?
When it does not snow in Sant'Elena Sannita?
How many hours of daylight does Sant'Elena Sannita have in September?
When is the sunrise / sunset in September in Sant'Elena Sannita?
How many hours of sunshine does Sant'Elena Sannita have in September?
How high is the UV index in September in Sant'Elena Sannita?
Average temperature in September
Sant'Elena Sannita, Italy
- Average high temperature in September: 23.5°C
The warmest month (with the highest average high temperature) is August (29°C).
The month with the lowest average high temperature is January (7.7°C).
- Average low temperature in September: 13.5°C
The month with the highest average low temperature is August (16.8°C).
The coldest month (with the lowest average low temperature) is January (1.2°C).
Average pressure in September
Sant'Elena Sannita, Italy
- Average pressure in September: 1015.3mbar
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
Sant'Elena Sannita, Italy
- Average wind speed in September: 8.6km/h
The windiest month (with the highest average wind speed) is February (12.1km/h).
The calmest month (with the lowest average wind speed) is August (7.4km/h).
Average humidity in September
Sant'Elena Sannita, Italy
- Average humidity in September: 70%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is August (60%).
Average rainfall in September
Sant'Elena Sannita, Italy
- Average rainfall in September: 46mm
The wettest month (with the highest rainfall) is May (73mm).
The driest months (with the least rainfall) are October and December (41mm).
Average rainfall days in September
Sant'Elena Sannita, Italy
- Average rainfall days in September: 13.3 days
The month with the highest number of rainy days is April (18.3 days).
The month with the least rainy days is August (11.6 days).
Average snowfall in September
Sant'Elena Sannita, Italy
- Average snowfall in September: 0mm
The month with the highest snowfall is February (119mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Sant'Elena Sannita, Italy
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.2 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
Sant'Elena 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 1min
The months with the most sunshine are July and August (Average sunshine: 11h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in September
Sant'Elena Sannita, Italy
- Average sunshine days in September: 15.4 days
The month with the most sunshine days is August (16.9 days).
The month with the least sunshine days is February (9.1 days).
Average UV index in September
Sant'Elena Sannita, 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 and December (UV index 2).
Average cloud cover in September
Sant'Elena Sannita, Italy
- Average cloud cover in September: 27
The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility in September
Sant'Elena Sannita, 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, February and November (8km).
