September weather forecastAltomonte, Italy
September
Weather in September
September, the first month of the autumn in Altomonte, is still a warm month, with an average temperature ranging between max 24°C (75.2°F) and min 18.2°C (64.8°F).Temperature
A subtle shift in Altomonte's weather is observed as August turns into September, with the average high temperature reducing from 27.5°C (81.5°F) to a still warm 24°C (75.2°F). Altomonte, in September, experiences an average temperature of 18.2°C (64.8°F) at night.Humidity
The average relative humidity in September is 70%.Rainfall
In September, in Altomonte, the rain falls for 11.4 days. Throughout September, 28mm (1.1") of precipitation is accumulated. In Altomonte, Italy, during the entire year, the rain falls for 151.8 days and collects up to 589mm (23.19") of precipitation.Snowfall
March through November are months without snowfall in Altomonte.Daylight
In September, the average length of the day is 12h and 27min.On the first day of the month, sunrise is at 06:24 and sunset at 19:26. On the last day of September, sunrise is at 06:51 and sunset at 18:39 CEST.
Sunshine
The average sunshine in September is 10.6h.UV index
The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: In September, a daily maximum UV index of 5 leads to the following instructions:
Undertake precautions - It is suggested to shield oneself from sunburn. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. 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
Altomonte, Italy
- Average high temperature in September: 24°C
The warmest month (with the highest average high temperature) is August (27.5°C).
The month with the lowest average high temperature is January (10.8°C).
- Average low temperature in September: 18.2°C
The month with the highest average low temperature is August (20.7°C).
The coldest month (with the lowest average low temperature) is February (6.8°C).
Average pressure in September
Altomonte, Italy
- Average pressure in September: 1015.4mbar
The month with the highest atmospheric pressure is December (1018.4mbar).
The month with the lowest atmospheric pressure is July (1013.7mbar).
Average wind speed in September
Altomonte, Italy
- Average wind speed in September: 8.4km/h
The windiest month (with the highest average wind speed) is February (13.1km/h).
The calmest month (with the lowest average wind speed) is August (6.9km/h).
Average humidity in September
Altomonte, Italy
- Average humidity in September: 70%
The months with the highest relative humidity are January, February and November (76%).
The month with the lowest relative humidity is August (68%).
Average rainfall in September
Altomonte, Italy
- Average rainfall in September: 28mm
The wettest month (with the highest rainfall) is November (107mm).
The driest month (with the least rainfall) is August (12mm).
Average rainfall days in September
Altomonte, Italy
- Average rainfall days in September: 11.4 days
The month with the highest number of rainy days is March (16.3 days).
The month with the least rainy days is August (6 days).
Average snowfall in September
Altomonte, Italy
- Average snowfall in September: 0mm
The months with the highest snowfall are January and December (3mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Altomonte, Italy
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.4 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Altomonte, Italy
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in September: 10h and 36min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The months with the least sunshine are January and February (Average sunshine: 5h and 48min).
Average sunshine days in September
Altomonte, Italy
- Average sunshine days in September: 14.3 days
The month with the most sunshine days is July (21 days).
The month with the least sunshine days is February (9.8 days).
Average UV index in September
Altomonte, Italy
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in September
Altomonte, Italy
- Average cloud cover in September: 20
The month with the most cloud cover is February (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 9).
Average visibility in September
Altomonte, 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).
