September weather forecastDello, Italy
September
Weather in September
September, the first month of the autumn in Dello, is still a warm month, with an average temperature ranging between max 23.5°C (74.3°F) and min 14.8°C (58.6°F).Temperature
September brings a decrease in the average high-temperature, falling from August's 28.6°C (83.5°F) to a still moderately hot 23.5°C (74.3°F). An average low-temperature of 14.8°C (58.6°F) is common in Dello during the nights of September.Humidity
The average relative humidity in September is 72%.Rainfall
In September, the rain falls for 11.8 days. Throughout September, 49mm (1.93") of precipitation is accumulated. In Dello, during the entire year, the rain falls for 144.4 days and collects up to 631mm (24.84") of precipitation.Snowfall
In Dello, snow does not fall in April through November.Daylight
In September, the average length of the day is 12h and 32min.On the first day of September, sunrise is at 06:41 and sunset at 19:57. On the last day of the month, sunrise is at 07:17 and sunset at 19:01 CEST.
Sunshine
In September, the average sunshine is 10.2h.UV index
In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 5 in September translates into these instructions:
Exercise prevention - Precautions against solar damage are endorsed. Around midday, solar radiation is most harmful; hence, exposure should be limited. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Dello, Italy
- Average high temperature in September: 23.5°C
The warmest month (with the highest average high temperature) is August (28.6°C).
The month with the lowest average high temperature is January (6.5°C).
- Average low temperature in September: 14.8°C
The month with the highest average low temperature is August (18.5°C).
The coldest month (with the lowest average low temperature) is January (1.3°C).
Average pressure in September
Dello, Italy
- Average pressure in September: 1016.8mbar
The month with the highest atmospheric pressure is December (1019.7mbar).
The month with the lowest atmospheric pressure is May (1014.5mbar).
Average wind speed in September
Dello, Italy
- Average wind speed in September: 6km/h
The windiest months (with the highest average wind speed) are March and April (7.4km/h).
The calmest months (with the lowest average wind speed) are August, September and October (6km/h).
Average humidity in September
Dello, Italy
- Average humidity in September: 72%
The month with the highest relative humidity is November (80%).
The month with the lowest relative humidity is August (68%).
Average rainfall in September
Dello, Italy
- Average rainfall in September: 49mm
The wettest month (with the highest rainfall) is May (80mm).
The driest month (with the least rainfall) is January (25mm).
Average rainfall days in September
Dello, Italy
- Average rainfall days in September: 11.8 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is December (7.7 days).
Average snowfall in September
Dello, Italy
- Average snowfall in September: 0mm
The month with the highest snowfall is December (21mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Dello, Italy
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Dello, Italy
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in September: 10h and 12min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is November (Average sunshine: 5h and 42min).
Average sunshine days in September
Dello, Italy
- Average sunshine days in September: 15.6 days
The month with the most sunshine days is December (21.7 days).
The month with the least sunshine days is May (11.8 days).
Average UV index in September
Dello, 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, November and December (UV index 2).
Average cloud cover in September
Dello, Italy
- Average cloud cover in September: 25
The months with the most cloud cover are February and November (Cloud cover 40).
The month with the least cloud cover is July (Cloud cover 18).
Average visibility in September
Dello, Italy
- Average visibility in September: 9km
The months with the highest visibility are June, July and August (10km).
The months with the lowest visibility are January, February, March, April, May, September, October, November and December (9km).





