September weather forecastBari, Italy
September
Weather in September
September in Bari indicates the initial signs of a shift towards autumn with a soft drop in temperature, falling to a manageable 25.5°C (77.9°F), from the August peak of 29.5°C (85.1°F). Rainfall increases to 35mm (1.38"), presaging the upcoming wetter months. A decline in sea temperature to 24.6°C (76.3°F) marks the end of summer. Though the daylight hours reduce to 12.5, the UV index drops only slightly to 5, still sufficient for sunbathing. Winds remain consistent at 12.9km/h (8mph), prefiguring an upcoming change in the climatic condition.Temperature
September's arrival in Bari comes with a mild decrease in the average high-temperature, moving subtly from a moderately hot 29.5°C (85.1°F) in August to a still warm 25.5°C (77.9°F). Bari records an average low-temperature of 20.3°C (68.5°F) throughout the month of September.Humidity
In Bari, the average relative humidity in September is 62%.Rainfall
In Bari, in September, it is raining for 11.8 days, with typically 35mm (1.38") of accumulated precipitation. Throughout the year, there are 137.6 rainfall days, and 415mm (16.34") of precipitation is accumulated.Snowfall
In Bari, Italy, snow does not fall in April through November.Sea temperature
In Bari, in September, the average water temperature is 24.6°C (76.3°F).Note: For someone not comfortable with cold, swimming in 24.6°C (76.3°F) waters might be a stretch. However, with favorable conditions like abundant sunshine, mild wind, and warm air temperatures, the experience can be improved. And while wetsuits are not a must, they can be considered.
Daylight
The average length of the day in September in Bari is 12h and 28min.On the first day of September, sunrise is at 06:19 and sunset at 19:25. On the last day of the month, sunrise is at 06:48 and sunset at 18:36 CEST.
Sunshine
In Bari, the average sunshine in September is 10.6h.UV index
The average daily maximum UV index in September in Bari is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: A typical high UV index of 5 in September suggests the following recommendations:
Exercise prevention - Protecting skin and eyes from harm is required. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Warning! The Sun's UV rays intensify with reflections from sand and water.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Bari, Italy
- Average high temperature in September: 25.5°C
The warmest month (with the highest average high temperature) is August (29.5°C).
The month with the lowest average high temperature is January (11.6°C).
- Average low temperature in September: 20.3°C
The month with the highest average low temperature is August (23.7°C).
The coldest month (with the lowest average low temperature) is January (7.4°C).
Average pressure in September
Bari, Italy
- Average pressure in September: 1014.9mbar
The month with the highest atmospheric pressure is December (1017.7mbar).
The month with the lowest atmospheric pressure is July (1012.7mbar).
Average wind speed in September
Bari, Italy
- Average wind speed in September: 12.9km/h
The windiest month (with the highest average wind speed) is February (19.3km/h).
The calmest months (with the lowest average wind speed) are August and September (12.9km/h).
Average humidity in September
Bari, Italy
- Average humidity in September: 62%
The months with the highest relative humidity are January and November (74%).
The month with the lowest relative humidity is July (56%).
Average rainfall in September
Bari, Italy
- Average rainfall in September: 35mm
The wettest months (with the highest rainfall) are March and April (45mm).
The driest month (with the least rainfall) is August (17mm).
Average rainfall days in September
Bari, Italy
- Average rainfall days in September: 11.8 days
The months with the highest number of rainy days are January and March (14.4 days).
The month with the least rainy days is July (6.9 days).
Average snowfall in September
Bari, Italy
- Average snowfall in September: 0mm
The month with the highest snowfall is December (3mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Bari, Italy
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (0.3 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average sea temperature in September
Bari, Italy
- Average sea temperature in September: 24.6°C
The best month for swimming (with the highest average sea temperature) is August (25.5°C).
The coldest month (with the lowest average sea temperature) is January (13.4°C).
Average daylight in September /
Average sunshine in September
Bari, 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 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: 5h and 42min).
Average sunshine days in September
Bari, Italy
- Average sunshine days in September: 16 days
The month with the most sunshine days is July (22.3 days).
The month with the least sunshine days is February (12.8 days).
Average UV index in September
Bari, Italy
- Average UV index in September: 5
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
Bari, Italy
- Average cloud cover in September: 18
The months with the most cloud cover are January and February (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 9).
Average visibility in September
Bari, 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).
