September weather forecastFirmo, Italy
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Firmo, Italy, with an average temperature fluctuating between 24°C (75.2°F) and 18.2°C (64.8°F).Temperature
September's onset brings a negligible change in high-temperatures, falling from a warm 27.5°C (81.5°F) in August to a still moderately hot 24°C (75.2°F). During September, the temperature tends to dip to an average of 18.2°C (64.8°F) at night.Humidity
In September, the average relative humidity is 70%.Rainfall
In Firmo, in September, it is raining for 11.4 days, with typically 28mm (1.1") of accumulated precipitation. In Firmo, 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 Firmo.Daylight
In Firmo, the average length of the day in September is 12h and 27min.On the first day of September, sunrise is at 06:23 and sunset at 19:26. On the last day of the month, sunrise is at 06:50 and sunset at 18:39 CEST.
Sunshine
In September, the average sunshine in Firmo is 10.6h.UV index
The average daily maximum UV index in September in Firmo is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: A daily maximum UV index of 5 in September translates into the following instructions:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Firmo, 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
Firmo, 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
Firmo, 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
Firmo, 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
Firmo, 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
Firmo, 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
Firmo, 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
Firmo, 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
Firmo, Italy
- Average daylight in September: 12h and 30min
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
Firmo, 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
Firmo, 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
Firmo, 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
Firmo, 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).
