September weather forecastAssisi, Italy
September
Weather in September
September ushers in Autumn in Assisi with a notable decrease in temperature to 24.5°C (76.1°F) and an increase in rainfall to 33mm (1.3"). The weather turns relatively mild and comfortable, changing the landscape color scheme and making the city more enchanting. Charming September offers a reprieve from the heat of August with the cool breeze and transition into autumn. Tourists get the opportunity to immerse themselves in the traditional autumn festivals, adding to the city’s appeal. September brings on a distinct charm with mild weather and increased rainfall compared to August.Temperature
Assisi's progression into September includes a drop in the average high-temperature, from a hot 30.4°C (86.7°F) in August to a moderately hot 24.5°C (76.1°F). Assisi's nighttime temperature in September falls to an average of 13.1°C (55.6°F).Humidity
The average relative humidity in September is 69%.Rainfall
In Assisi, in September, during 11.2 rainfall days, 33mm (1.3") of precipitation is typically accumulated. In Assisi, during the entire year, the rain falls for 139.9 days and collects up to 426mm (16.77") of precipitation.Snowfall
April through October are months without snowfall in Assisi.Daylight
In Assisi, the average length of the day in September is 12h and 30min.On the first day of the month, sunrise is at 06:34 and sunset at 19:44. On the last day of September, sunrise is at 07:06 and sunset at 18:52 CEST.
Sunshine
The average sunshine in September is 10.7h.UV index
In Assisi, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: An average UV index of 5 in September transforms into this advice:
Undertake precautions - Obligation exists to protect against skin and eye damage. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Assisi, Italy
- Average high temperature in September: 24.5°C
The warmest month (with the highest average high temperature) is August (30.4°C).
The month with the lowest average high temperature is January (8.3°C).
- Average low temperature in September: 13.1°C
The month with the highest average low temperature is August (16.1°C).
The coldest month (with the lowest average low temperature) is January (1.8°C).
Average pressure in September
Assisi, Italy
- Average pressure in September: 1015.5mbar
The month with the highest atmospheric pressure is December (1018.6mbar).
The month with the lowest atmospheric pressure is July (1013.6mbar).
Average wind speed in September
Assisi, Italy
- Average wind speed in September: 8.9km/h
The windiest month (with the highest average wind speed) is March (12.1km/h).
The calmest month (with the lowest average wind speed) is July (7.8km/h).
Average humidity in September
Assisi, Italy
- Average humidity in September: 69%
The months with the highest relative humidity are January and November (82%).
The month with the lowest relative humidity is August (59%).
Average rainfall in September
Assisi, Italy
- Average rainfall in September: 33mm
The wettest month (with the highest rainfall) is May (56mm).
The driest month (with the least rainfall) is January (24mm).
Average rainfall days in September
Assisi, Italy
- Average rainfall days in September: 11.2 days
The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is August (8.7 days).
Average snowfall in September
Assisi, Italy
- Average snowfall in September: 0mm
The month with the highest snowfall is February (15mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Assisi, Italy
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Assisi, Italy
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 10h and 42min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The months with the least sunshine are January and February (Average sunshine: 5h and 42min).
Average sunshine days in September
Assisi, Italy
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is August (19.6 days).
The month with the least sunshine days is May (10.9 days).
Average UV index in September
Assisi, 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 and December (UV index 2).
Average cloud cover in September
Assisi, Italy
- Average cloud cover in September: 21
The months with the most cloud cover are January and February (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 12).
Average visibility in September
Assisi, 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).
