September weather forecastCelano, Italy
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Celano, Italy, with an average temperature ranging between min 10.1°C (50.2°F) and max 21.5°C (70.7°F).Temperature
The beginning of September marks a decrease in the average high-temperature, transitioning from a moderately hot 27°C (80.6°F) in August to an agreeable 21.5°C (70.7°F). Celano, during September nights, observes an average temperature of 10.1°C (50.2°F).Humidity
In September, the average relative humidity is 73%.Rainfall
In September, the rain falls for 12.8 days. Throughout September, 44mm (1.73") of precipitation is accumulated. Throughout the year, in Celano, there are 178.9 rainfall days, and 718mm (28.27") of precipitation is accumulated.Snowfall
In Celano, snow does not fall in May through October.Daylight
In Celano, the average length of the day in September is 12h and 29min.On the first day of the month, sunrise is at 06:31 and sunset at 19:39. On the last day of September, sunrise is at 07:02 and sunset at 18:49 CEST.
Sunshine
In September, the average sunshine is 10.2h.UV index
The average daily maximum UV index in September in Celano is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: In September, a daily maximum UV index of 4 leads to the following instructions:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Celano, Italy
- Average high temperature in September: 21.5°C
The warmest month (with the highest average high temperature) is August (27°C).
The month with the lowest average high temperature is January (5.9°C).
- Average low temperature in September: 10.1°C
The month with the highest average low temperature is August (13.4°C).
The coldest month (with the lowest average low temperature) is February (-0.9°C).
Average pressure in September
Celano, Italy
- Average pressure in September: 1015.6mbar
The month with the highest atmospheric pressure is December (1018.5mbar).
The months with the lowest atmospheric pressure are April and July (1014mbar).
Average wind speed in September
Celano, Italy
- Average wind speed in September: 6.3km/h
The windiest month (with the highest average wind speed) is February (8.8km/h).
The calmest month (with the lowest average wind speed) is August (5.6km/h).
Average humidity in September
Celano, Italy
- Average humidity in September: 73%
The month with the highest relative humidity is November (84%).
The month with the lowest relative humidity is August (64%).
Average rainfall in September
Celano, Italy
- Average rainfall in September: 44mm
The wettest month (with the highest rainfall) is November (91mm).
The driest month (with the least rainfall) is October (33mm).
Average rainfall days in September
Celano, Italy
- Average rainfall days in September: 12.8 days
The month with the highest number of rainy days is May (19.9 days).
The month with the least rainy days is August (10.4 days).
Average snowfall in September
Celano, Italy
- Average snowfall in September: 0mm
The month with the highest snowfall is February (106mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Celano, Italy
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.1 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
Celano, Italy
- Average daylight in September: 12h and 30min
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 12min
The month with the most sunshine is August (Average sunshine: 11h and 36min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).
Average sunshine days in September
Celano, Italy
- Average sunshine days in September: 15.7 days
The months with the most sunshine days are August and October (16.9 days).
The month with the least sunshine days is April (8.7 days).
Average UV index in September
Celano, Italy
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Celano, Italy
- Average cloud cover in September: 30
The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 17).
Average visibility in September
Celano, Italy
- Average visibility in September: 9km
The month with the highest visibility is August (10km).
The months with the lowest visibility are January, February, October, November and December (8km).





