September weather forecastPrato, Italy
September
Weather in September
As summer releases its firm hold over Prato, Italy, September marks the advent of autumn, blending warmth with crisp cool undertones. With temperatures easing off to a comparatively comfortable 23.4°C (74.1°F), the sweltering summer heat begins to dissipate. Earthier hues start painting the cityscape, as leaves turn and the skies become dotted with wandering clouds more often. Casual rainfall starts picking back up, bringing about a considerable change in precipitation from the previous months. Gradually, daylight shortens, marking the shift towards the latter part of the year.Temperature
With the beginning of September, the average high-temperature in Prato, Italy, shows a decrease, transitioning from a warm 29.1°C (84.4°F) in August to a still moderately hot 23.4°C (74.1°F). During September, the nighttime temperature averages to a fresh 12.4°C (54.3°F).Humidity
In September, the average relative humidity in Prato is 73%.Rainfall
In September, the rain falls for 10.2 days. Throughout September, 28mm (1.1") of precipitation is accumulated. Throughout the year, in Prato, Italy, there are 140.7 rainfall days, and 419mm (16.5") of precipitation is accumulated.Snowfall
April through November are months without snowfall.Daylight
The average length of the day in September in Prato is 12h and 31min.On the first day of the month, sunrise is at 06:39 and sunset at 19:51. On the last day of September, in Prato, sunrise is at 07:12 and sunset at 18:58 CEST.
Sunshine
In September, the average sunshine is 10.1h.UV index
In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index, 5 during September, leads to the following recommendations:
Act with care - The need to guard against sun damage is communicated. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Prato, Italy
- Average high temperature in September: 23.4°C
The warmest month (with the highest average high temperature) is August (29.1°C).
The month with the lowest average high temperature is January (7.1°C).
- Average low temperature in September: 12.4°C
The month with the highest average low temperature is August (15.8°C).
The coldest month (with the lowest average low temperature) is January (0.8°C).
Average pressure in September
Prato, 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 (1013.5mbar).
Average wind speed in September
Prato, Italy
- Average wind speed in September: 8.3km/h
The windiest month (with the highest average wind speed) is March (11.2km/h).
The calmest months (with the lowest average wind speed) are July and August (7.6km/h).
Average humidity in September
Prato, Italy
- Average humidity in September: 73%
The month with the highest relative humidity is November (85%).
The month with the lowest relative humidity is August (64%).
Average rainfall in September
Prato, Italy
- Average rainfall in September: 28mm
The wettest month (with the highest rainfall) is November (55mm).
The driest month (with the least rainfall) is August (25mm).
Average rainfall days in September
Prato, Italy
- Average rainfall days in September: 10.2 days
The month with the highest number of rainy days is May (16 days).
The month with the least rainy days is August (8.6 days).
Average snowfall in September
Prato, 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, October and November (0mm).
Average snowfall days in September
Prato, 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 and October (0 days).
Average daylight in September /
Average sunshine in September
Prato, Italy
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in September: 10h and 6min
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 6min).
Average sunshine days in September
Prato, Italy
- Average sunshine days in September: 17.5 days
The month with the most sunshine days is August (19.1 days).
The months with the least sunshine days are February and May (12.3 days).
Average UV index in September
Prato, Italy
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in September
Prato, Italy
- Average cloud cover in September: 27
The months with the most cloud cover are February and November (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in September
Prato, Italy
- Average visibility in September: 9km
The months with the highest visibility are March, April, May, June, July, August and September (9km).
The months with the lowest visibility are January, February, October, November and December (8km).





