Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The beginning of September brings a minor change in the average high-temperature, shifting from a moderately hot 28°C (82.4°F) in August to a still warm 23.7°C (74.7°F). In Fermo, the September nights cool down to an average low of 17.9°C (64.2°F).Humidity
In September, the average relative humidity in Fermo is 68%.Rainfall
In Fermo, in September, during 10.7 rainfall days, 39mm (1.54") of precipitation is typically accumulated. In Fermo, during the entire year, the rain falls for 139.4 days and collects up to 464mm (18.27") of precipitation.Snowfall
In Fermo, snow does not fall in April through November.Daylight
In Fermo, the average length of the day in September is 12h and 30min.On the first day of the month, sunrise is at 06:29 and sunset at 19:40. On the last day of September, sunrise is at 07:01 and sunset at 18:48 CEST.
Sunshine
In Fermo, Italy, the average sunshine in September is 10.9h.UV index
The average daily maximum UV index in September in Fermo is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.Note: During September, 5 as the daily maximum UV index converts into the following advice:
Be vigilant - Suggestions to stave off sun damage are provided. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Frequently asked questions
What are September temperatures in Fermo?
What is the average humidity in September in Fermo?
How much does it rain in Fermo in September?
When it does not snow in Fermo?
What is the average length of the day in September in Fermo?
When are sunrise and sunset in September in Fermo?
How many hours of sunshine does Fermo have in September?
What is the UV index reading in September in Fermo?
Average temperature in September
Fermo, Italy
- Average high temperature in September: 23.7°C
The warmest month (with the highest average high temperature) is August (28°C).
The month with the lowest average high temperature is January (9.8°C).
- Average low temperature in September: 17.9°C
The month with the highest average low temperature is August (21.4°C).
The coldest month (with the lowest average low temperature) is January (6.1°C).
Average pressure in September
Fermo, 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 (1013.4mbar).
Average wind speed in September
Fermo, Italy
- Average wind speed in September: 10.3km/h
The windiest month (with the highest average wind speed) is February (12.9km/h).
The calmest month (with the lowest average wind speed) is June (9.7km/h).
Average humidity in September
Fermo, Italy
- Average humidity in September: 68%
The month with the highest relative humidity is November (76%).
The month with the lowest relative humidity is August (63%).
Average rainfall in September
Fermo, Italy
- Average rainfall in September: 39mm
The wettest month (with the highest rainfall) is May (54mm).
The driest month (with the least rainfall) is August (26mm).
Average rainfall days in September
Fermo, Italy
- Average rainfall days in September: 10.7 days
The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is August (7.8 days).
Average snowfall in September
Fermo, Italy
- Average snowfall in September: 0mm
The month with the highest snowfall is February (44mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Fermo, Italy
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.6 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
Fermo, Italy
- Average daylight in September: 12h and 3min
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 5min
The months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).
Average sunshine days in September
Fermo, Italy
- Average sunshine days in September: 16.7 days
The month with the most sunshine days is August (20.6 days).
The month with the least sunshine days is May (12.8 days).
Average UV index in September
Fermo, Italy
- Average UV index in September: 5
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in September
Fermo, Italy
- Average cloud cover in September: 19
The month with the most cloud cover is January (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 11).
Average visibility in September
Fermo, 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).
Fermo, Italy
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