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
September
Weather in September
Temperature
The arrival of September indicates a decrease in the average high-temperature, moving from a hot 87.8°F in August to a warm 77.9°F. Calto's nighttime temperature in September falls to an average of 61.3°F.Humidity
In September, the average relative humidity is 68%.Rainfall
In Calto, Italy, in September, during 11.8 rainfall days, 1.77" of precipitation is typically accumulated. Throughout the year, there are 144.3 rainfall days, and 19.61" of precipitation is accumulated.Snowfall
April through November are months without snowfall in Calto, Italy.Daylight
The average length of the day in September in Calto is 12h and 31min.On the first day of the month, sunrise is at 06:37 and sunset at 19:51. On the last day of September, in Calto, sunrise is at 07:11 and sunset at 18:56 CEST.
Sunshine
The average sunshine in September in Calto, Italy, is 10.3h.UV index
The average daily maximum UV index in September in Calto, Italy, is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 5 during September translates into the following guidance:
Put precautions into practice - Protective measures against sun-induced damage are advised. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Calto?
What is the average humidity in September in Calto?
How much does it rain in Calto in September?
When it does not snow in Calto?
How many hours of daylight does Calto have in September?
When is the sunrise / sunset in September in Calto?
How many hours of sunshine does Calto have in September?
What is the UV index intensity in September in Calto?
Average temperature in September
Calto, Italy
- Average high temperature in September: 77.9°F
The warmest month (with the highest average high temperature) is August (87.8°F).
The month with the lowest average high temperature is January (44.8°F).
- Average low temperature in September: 61.3°F
The month with the highest average low temperature is August (66.9°F).
The coldest month (with the lowest average low temperature) is January (36°F).
Average pressure in September
Calto, Italy
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is December (30.09"Hg).
The month with the lowest atmospheric pressure is July (29.94"Hg).
Average wind speed in September
Calto, Italy
- Average wind speed in September: 4.7mph
The windiest month (with the highest average wind speed) is March (5.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).
Average humidity in September
Calto, Italy
- Average humidity in September: 68%
The month with the highest relative humidity is November (81%).
The month with the lowest relative humidity is August (62%).
Average rainfall in September
Calto, Italy
- Average rainfall in September: 1.77"
The wettest month (with the highest rainfall) is May (2.44").
The driest month (with the least rainfall) is January (0.87").
Average rainfall days in September
Calto, Italy
- Average rainfall days in September: 11.8 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is December (8.3 days).
Average snowfall in September
Calto, Italy
- Average snowfall in September: 0"
The month with the highest snowfall is December (0.39").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Calto, Italy
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (1 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
Calto, Italy
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in September: 10h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 5h and 18min).
Average sunshine days in September
Calto, Italy
- Average sunshine days in September: 16 days
The month with the most sunshine days is December (19.7 days).
The months with the least sunshine days are May and June (11.4 days).
Average UV index in September
Calto, 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 and December (UV index 2).
Average cloud cover in September
Calto, Italy
- Average cloud cover in September: 24
The month with the most cloud cover is February (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in September
Calto, Italy
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
