September weather forecastDumenza, Italy
September
Weather in September
September, the first month of the autumn in Dumenza, is also an enjoyable month, with an average temperature fluctuating between 18.9°C (66°F) and 9.1°C (48.4°F).Temperature
The start of September involves a subtle temperature drop, shifting from a moderately hot 23°C (73.4°F) in August to a refreshing 18.9°C (66°F). Dumenza, in the month of September, anticipates a consistent average low-temperature of 9.1°C (48.4°F).Humidity
In September, the average relative humidity is 76%.Rainfall
In September, the rain falls for 10.1 days. Throughout September, 28mm (1.1") of precipitation is accumulated. Throughout the year, in Dumenza, Italy, there are 113.9 rainfall days, and 730mm (28.74") of precipitation is accumulated.Snowfall
May through September are months without snowfall in Dumenza.Daylight
In September, the average length of the day is 12h and 32min.On the first day of the month, sunrise is at 06:46 and sunset at 20:03. On the last day of September, in Dumenza, Italy, sunrise is at 07:22 and sunset at 19:06 CEST.
Sunshine
In September, the average sunshine is 9.6h.UV index
The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.Note: The maximum UV index of 4 during September translates into these guidelines:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. 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
Dumenza, Italy
- Average high temperature in September: 18.9°C
The warmest month (with the highest average high temperature) is July (23.4°C).
The month with the lowest average high temperature is January (3.5°C).
- Average low temperature in September: 9.1°C
The month with the highest average low temperature is July (12.9°C).
The coldest month (with the lowest average low temperature) is February (-2.6°C).
Average pressure in September
Dumenza, Italy
- Average pressure in September: 1017.7mbar
The month with the highest atmospheric pressure is December (1020.6mbar).
The month with the lowest atmospheric pressure is April (1015mbar).
Average wind speed in September
Dumenza, Italy
- Average wind speed in September: 6.7km/h
The windiest month (with the highest average wind speed) is March (7.5km/h).
The calmest month (with the lowest average wind speed) is November (5.9km/h).
Average humidity in September
Dumenza, Italy
- Average humidity in September: 76%
The month with the highest relative humidity is November (79%).
The months with the lowest relative humidity are January and July (73%).
Average rainfall in September
Dumenza, Italy
- Average rainfall in September: 28mm
The wettest month (with the highest rainfall) is November (129mm).
The driest month (with the least rainfall) is January (13mm).
Average rainfall days in September
Dumenza, Italy
- Average rainfall days in September: 10.1 days
The month with the highest number of rainy days is June (16.3 days).
The month with the least rainy days is January (2.3 days).
Average snowfall in September
Dumenza, Italy
- Average snowfall in September: 0mm
The month with the highest snowfall is November (267mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Dumenza, Italy
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (7.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Dumenza, Italy
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in September: 9h and 36min
The month with the most sunshine is July (Average sunshine: 11h and 30min).
The month with the least sunshine is November (Average sunshine: 5h and 42min).
Average sunshine days in September
Dumenza, Italy
- Average sunshine days in September: 17.4 days
The month with the most sunshine days is January (24.9 days).
The month with the least sunshine days is July (11.2 days).
Average UV index in September
Dumenza, Italy
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in September
Dumenza, Italy
- Average cloud cover in September: 28
The month with the most cloud cover is November (Cloud cover 38).
The month with the least cloud cover is July (Cloud cover 24).
Average visibility in September
Dumenza, Italy
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
