September weather forecastAltamura, Italy
September
Weather in September
September, the first month of the autumn in Altamura, is still a warm month, with an average temperature fluctuating between 26.5°C (79.7°F) and 18.3°C (64.9°F).Temperature
The shift to September brings a decrease in the average high-temperature, falling from a tropical 31.8°C (89.2°F) in August to a warm 26.5°C (79.7°F). Altamura's nighttime temperature in September drops to an average of 18.3°C (64.9°F).Humidity
In Altamura, the average relative humidity in September is 60%.Rainfall
In Altamura, in September, during 11.8 rainfall days, 38mm (1.5") of precipitation is typically accumulated. In Altamura, during the entire year, the rain falls for 143.4 days and collects up to 479mm (18.86") of precipitation.Snowfall
In Altamura, snow does not fall in May through October.Daylight
In Altamura, the average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 06:21 and sunset at 19:26. On the last day of September, in Altamura, sunrise is at 06:49 and sunset at 18:37 CEST.
Sunshine
In Altamura, the average sunshine in September is 10.5h.UV index
The average daily maximum UV index in September 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 the ordinary person.Note: A daily maximum UV index of 5 in September translates into the following instructions:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Altamura, Italy
- Average high temperature in September: 26.5°C
The warmest month (with the highest average high temperature) is August (31.8°C).
The month with the lowest average high temperature is January (10.8°C).
- Average low temperature in September: 18.3°C
The month with the highest average low temperature is August (21.8°C).
The coldest month (with the lowest average low temperature) is January (4.4°C).
Average pressure in September
Altamura, Italy
- Average pressure in September: 1014.9mbar
The month with the highest atmospheric pressure is December (1017.8mbar).
The month with the lowest atmospheric pressure is July (1012.8mbar).
Average wind speed in September
Altamura, Italy
- Average wind speed in September: 10.3km/h
The windiest month (with the highest average wind speed) is February (15.5km/h).
The calmest month (with the lowest average wind speed) is September (10.3km/h).
Average humidity in September
Altamura, Italy
- Average humidity in September: 60%
The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is July (49%).
Average rainfall in September
Altamura, Italy
- Average rainfall in September: 38mm
The wettest month (with the highest rainfall) is April (55mm).
The driest month (with the least rainfall) is August (24mm).
Average rainfall days in September
Altamura, Italy
- Average rainfall days in September: 11.8 days
The month with the highest number of rainy days is April (15.8 days).
The month with the least rainy days is August (8.3 days).
Average snowfall in September
Altamura, Italy
- Average snowfall in September: 0mm
The month with the highest snowfall is February (26mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Altamura, Italy
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.3 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
Altamura, 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 30min
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 36min).
Average sunshine days in September
Altamura, Italy
- Average sunshine days in September: 15.9 days
The month with the most sunshine days is July (20.6 days).
The month with the least sunshine days is April (12.6 days).
Average UV index in September
Altamura, 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
Altamura, 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 11).
Average visibility in September
Altamura, Italy
- Average visibility in September: 10km
The months with the highest visibility are February, March, May, June, July, August, September, October and December (10km).
The months with the lowest visibility are January, April and November (9km).
