September weather forecastCisternino, Italy
September
Weather in September
September, the first month of the autumn in Cisternino, is still a warm month, with an average temperature fluctuating between 20.4°C (68.7°F) and 26.1°C (79°F).Temperature
The move into September indicates a slight reduction in the average high-temperature, down from August's hot 30.6°C (87.1°F) to a warm 26.1°C (79°F). Throughout the nights in September, Cisternino experiences an average low-temperature of 20.4°C (68.7°F).Humidity
In September, the average relative humidity in Cisternino is 63%.Rainfall
In Cisternino, during September, the rain falls for 10.8 days and regularly aggregates up to 28mm (1.1") of precipitation. In Cisternino, Italy, during the entire year, the rain falls for 135.6 days and collects up to 441mm (17.36") of precipitation.Snowfall
March through November are months without snowfall in Cisternino.Daylight
The average length of the day in September is 12h and 28min.On the first day of September, sunrise is at 06:17 and sunset at 19:22. On the last day of the month, sunrise is at 06:46 and sunset at 18:33 CEST.
Sunshine
The average sunshine in September in Cisternino, Italy, is 10.6h.UV index
In September, the average daily maximum UV index in Cisternino is 6. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 6 in September converts into the following recommendations:
Prevent overexposure. Protection from the sun's harmful effects is needed. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Cisternino, Italy
- Average high temperature in September: 26.1°C
The warmest month (with the highest average high temperature) is August (30.6°C).
The month with the lowest average high temperature is January (11.9°C).
- Average low temperature in September: 20.4°C
The month with the highest average low temperature is August (23.6°C).
The coldest month (with the lowest average low temperature) is January (7.8°C).
Average pressure in September
Cisternino, Italy
- Average pressure in September: 1014.7mbar
The month with the highest atmospheric pressure is December (1017.7mbar).
The month with the lowest atmospheric pressure is July (1012.5mbar).
Average wind speed in September
Cisternino, Italy
- Average wind speed in September: 13.2km/h
The windiest month (with the highest average wind speed) is February (20.5km/h).
The calmest months (with the lowest average wind speed) are July and August (13.1km/h).
Average humidity in September
Cisternino, Italy
- Average humidity in September: 63%
The month with the highest relative humidity is November (76%).
The month with the lowest relative humidity is July (56%).
Average rainfall in September
Cisternino, Italy
- Average rainfall in September: 28mm
The wettest month (with the highest rainfall) is November (59mm).
The driest month (with the least rainfall) is August (9mm).
Average rainfall days in September
Cisternino, Italy
- Average rainfall days in September: 10.8 days
The month with the highest number of rainy days is March (14.4 days).
The month with the least rainy days is August (5 days).
Average snowfall in September
Cisternino, Italy
- Average snowfall in September: 0mm
The month with the highest snowfall is January (5mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Cisternino, Italy
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.5 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Cisternino, Italy
- Average daylight in September: 12h and 30min
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 18min).
- Average sunshine in September: 10h and 36min
The months with the most sunshine are July and August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 6h and 0min).
Average sunshine days in September
Cisternino, Italy
- Average sunshine days in September: 16.6 days
The months with the most sunshine days are July and August (23.1 days).
The month with the least sunshine days is February (12.4 days).
Average UV index in September
Cisternino, Italy
- Average UV index in September: 6
The months with the highest UV index are July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in September
Cisternino, Italy
- Average cloud cover in September: 17
The month with the most cloud cover is January (Cloud cover 37).
The month with the least cloud cover is August (Cloud cover 8).
Average visibility in September
Cisternino, Italy
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).





