September weather forecastCasteldaccia, Italy
September
Weather in September
September, the first month of the autumn in Casteldaccia, is still a warm month, with temperature in the range of an average low of 19.8°C (67.6°F) and an average high of 25.5°C (77.9°F).Temperature
September brings a minor shift in the average high-temperature, adjusting from a warm 29.8°C (85.6°F) in August to a still moderately hot 25.5°C (77.9°F). In Casteldaccia, an average low-temperature of 19.8°C (67.6°F) is recorded during September nights.Humidity
In September, the average relative humidity is 68%.Rainfall
The months with the most rainfall in Casteldaccia are September and October, with an average 57mm (2.24") of precipitation.Snowfall
In Casteldaccia, snow does not fall in February through November.Daylight
The average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 06:36 and sunset at 19:35. On the last day of September, in Casteldaccia, sunrise is at 07:01 and sunset at 18:50 CEST.
Sunshine
In September, the average sunshine in Casteldaccia is 10.8h.UV index
In September, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum daily UV index of 6 during September morphs into the following directions:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Casteldaccia, Italy
- Average high temperature in September: 25.5°C
The warmest month (with the highest average high temperature) is August (29.8°C).
The month with the lowest average high temperature is February (12.5°C).
- Average low temperature in September: 19.8°C
The month with the highest average low temperature is August (22°C).
The coldest month (with the lowest average low temperature) is February (6.8°C).
Average pressure in September
Casteldaccia, Italy
- Average pressure in September: 1015.6mbar
The month with the highest atmospheric pressure is December (1019mbar).
The months with the lowest atmospheric pressure are April and July (1014.3mbar).
Average wind speed in September
Casteldaccia, Italy
- Average wind speed in September: 8.9km/h
The windiest month (with the highest average wind speed) is February (13.9km/h).
The calmest month (with the lowest average wind speed) is August (7.8km/h).
Average humidity in September
Casteldaccia, Italy
- Average humidity in September: 68%
The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is July (59%).
Average rainfall in September
Casteldaccia, Italy
- Average rainfall in September: 57mm
The wettest months (with the highest rainfall) are September and October (57mm).
The driest month (with the least rainfall) is July (5mm).
Average rainfall days in September
Casteldaccia, Italy
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is January (13.6 days).
The month with the least rainy days is July (3.3 days).
Average snowfall in September
Casteldaccia, Italy
- Average snowfall in September: 0mm
The month with the highest snowfall is January (2mm).
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Casteldaccia, Italy
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and December (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Casteldaccia, Italy
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in September: 10h and 48min
The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 42min).
Average sunshine days in September
Casteldaccia, Italy
- Average sunshine days in September: 15.7 days
The month with the most sunshine days is July (26.6 days).
The month with the least sunshine days is February (14.3 days).
Average UV index in September
Casteldaccia, 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, February and December (UV index 3).
Average cloud cover in September
Casteldaccia, Italy
- Average cloud cover in September: 19
The month with the most cloud cover is January (Cloud cover 40).
The month with the least cloud cover is July (Cloud cover 7).
Average visibility in September
Casteldaccia, 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).





