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
As August shifts into September, a slight alteration in temperatures is observed, with average highs reducing from a tropical 30.2°C (86.4°F) to a warm 24.5°C (76.1°F). Certaldo anticipates an average minimum temperature of 13.5°C (56.3°F) in the month of September.Humidity
In Certaldo, the average relative humidity in September is 71%.Rainfall
In Certaldo, Italy, in September, during 10.1 rainfall days, 27mm (1.06") of precipitation is typically accumulated. Throughout the year, there are 136.9 rainfall days, and 394mm (15.51") of precipitation is accumulated.Snowfall
April through November are months without snowfall in Certaldo, Italy.Daylight
In Certaldo, Italy, the average length of the day in September is 12h and 30min.On the first day of September in Certaldo, sunrise is at 06:40 and sunset at 19:51. On the last day of the month, sunrise is at 07:12 and sunset at 18:58 CEST.
Sunshine
In September, the average sunshine in Certaldo is 10.3h.UV index
In Certaldo, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the average person.Note: In September, the UV index of 5 transforms into the following advice:
Be vigilant - Preventing sunburn is recommended. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Frequently asked questions
What is the usual temperature for Certaldo in September?
What is the average humidity in September in Certaldo?
How much does it rain in Certaldo in September?
When it does not snow in Certaldo?
What is the average length of the day in September in Certaldo?
When are sunrise and sunset in September in Certaldo?
How many hours of sunshine does Certaldo have in September?
What is the UV index reading in September in Certaldo?
Average temperature in September
Certaldo, Italy
- Average high temperature in September: 24.5°C
The warmest month (with the highest average high temperature) is August (30.2°C).
The month with the lowest average high temperature is January (8.1°C).
- Average low temperature in September: 13.5°C
The month with the highest average low temperature is August (16.8°C).
The coldest month (with the lowest average low temperature) is January (1.8°C).
Average pressure in September
Certaldo, Italy
- Average pressure in September: 1015.5mbar
The month with the highest atmospheric pressure is December (1018.5mbar).
The month with the lowest atmospheric pressure is July (1013.5mbar).
Average wind speed in September
Certaldo, Italy
- Average wind speed in September: 7.9km/h
The windiest month (with the highest average wind speed) is March (10.7km/h).
The calmest month (with the lowest average wind speed) is August (7.2km/h).
Average humidity in September
Certaldo, Italy
- Average humidity in September: 71%
The month with the highest relative humidity is November (83%).
The month with the lowest relative humidity is August (63%).
Average rainfall in September
Certaldo, Italy
- Average rainfall in September: 27mm
The wettest month (with the highest rainfall) is November (58mm).
The driest month (with the least rainfall) is July (20mm).
Average rainfall days in September
Certaldo, Italy
- Average rainfall days in September: 10.1 days
The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is August (7.6 days).
Average snowfall in September
Certaldo, Italy
- Average snowfall in September: 0mm
The month with the highest snowfall is February (10mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Certaldo, Italy
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.2 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
Certaldo, Italy
- Average daylight in September: 12h and 3min
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 2min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).
Average sunshine days in September
Certaldo, Italy
- Average sunshine days in September: 17.5 days
The month with the most sunshine days is August (20.7 days).
The month with the least sunshine days is February (13 days).
Average UV index in September
Certaldo, 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 2).
Average cloud cover in September
Certaldo, Italy
- Average cloud cover in September: 24
The month with the most cloud cover is February (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 14).
Average visibility in September
Certaldo, Italy
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September and December (9km).
The months with the lowest visibility are January, October and November (8km).
Certaldo, Italy
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