September weather forecastBagnoli, Italy
September
Weather in September
September, the first month of the autumn in Bagnoli, is still a warm month, with an average temperature fluctuating between 25.8°C (78.4°F) and 19.7°C (67.5°F).Temperature
The beginning of September brings a slight decrease in the average high-temperature, transitioning from 29.9°C (85.8°F) in August to a still warm 25.8°C (78.4°F). During September, Bagnoli experiences a consistent low-temperature average of 19.7°C (67.5°F).Humidity
The average relative humidity in September is 64%.Rainfall
In Bagnoli, in September, it is raining for 11.5 days, with typically 49mm (1.93") of accumulated precipitation. In Bagnoli, during the entire year, the rain falls for 133.1 days and collects up to 538mm (21.18") of precipitation.Snowfall
March through December are months without snowfall in Bagnoli.Sea temperature
In Bagnoli, Italy, in September, the average water temperature is 24.8°C (76.6°F).Note: For those with a heightened sensitivity to cold, sunshine, wind, and outside temperature make a big difference in enjoying a swim at 24.8°C (76.6°F). (Olympic swimming regulations state a water temperature of 25°C (77°F) to 28°C (82.4°F).)
Daylight
In September, the average length of the day in Bagnoli, Italy, is 12h and 28min.On the first day of September, sunrise is at 06:30 and sunset at 19:35. On the last day of the month, sunrise is at 06:59 and sunset at 18:46 CEST.
Sunshine
In September, the average sunshine in Bagnoli is 10.9h.UV index
The average daily maximum UV index in September in Bagnoli 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 ordinary individuals.Note: The maximum UV index, 6 during September, leads to the following recommendations:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. Always opt for UVA and UVB-resistant sunglasses on radiant days. Alert! The Sun's UV rays are heightened by the reflection of sand and water.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Bagnoli, Italy
- Average high temperature in September: 25.8°C
The warmest month (with the highest average high temperature) is August (29.9°C).
The month with the lowest average high temperature is January (12.3°C).
- Average low temperature in September: 19.7°C
The month with the highest average low temperature is August (22.8°C).
The coldest months (with the lowest average low temperature) are January and February (8°C).
Average pressure in September
Bagnoli, Italy
- Average pressure in September: 1015.6mbar
The month with the highest atmospheric pressure is December (1018.5mbar).
The month with the lowest atmospheric pressure is April (1014mbar).
Average wind speed in September
Bagnoli, Italy
- Average wind speed in September: 10.4km/h
The windiest month (with the highest average wind speed) is February (14.2km/h).
The calmest month (with the lowest average wind speed) is August (9km/h).
Average humidity in September
Bagnoli, Italy
- Average humidity in September: 64%
The month with the highest relative humidity is January (73%).
The month with the lowest relative humidity is August (61%).
Average rainfall in September
Bagnoli, Italy
- Average rainfall in September: 49mm
The wettest month (with the highest rainfall) is November (115mm).
The driest month (with the least rainfall) is August (9mm).
Average rainfall days in September
Bagnoli, Italy
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is November (14.9 days).
The month with the least rainy days is August (4.9 days).
Average snowfall in September
Bagnoli, Italy
- Average snowfall in September: 0mm
The months with the highest snowfall are January and February (2mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in September
Bagnoli, Italy
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.5 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).
Average sea temperature in September
Bagnoli, Italy
- Average sea temperature in September: 24.8°C
The best month for swimming (with the highest average sea temperature) is August (26°C).
The coldest month (with the lowest average sea temperature) is February (13.9°C).
Average daylight in September /
Average sunshine in September
Bagnoli, Italy
- Average daylight in September: 12h and 30min
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 18min).
- Average sunshine in September: 10h and 54min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).
Average sunshine days in September
Bagnoli, Italy
- Average sunshine days in September: 16.1 days
The month with the most sunshine days is July (23.8 days).
The month with the least sunshine days is February (13.8 days).
Average UV index in September
Bagnoli, 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
Bagnoli, 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 August (Cloud cover 9).
Average visibility in September
Bagnoli, 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).





