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
September's arrival corresponds with a decrease in average high-temperatures, from August's tropical 31.3°C (88.3°F) to a warm 25.7°C (78.3°F). Montecelio encounters an average low-temperature of 14.7°C (58.5°F) during September nights.Humidity
In Montecelio, the average relative humidity in September is 65%.Rainfall
In Montecelio, in September, it is raining for 13.3 days, with typically 48mm (1.89") of accumulated precipitation. In Montecelio, Italy, during the entire year, the rain falls for 147.7 days and collects up to 566mm (22.28") of precipitation.Snowfall
January, March through December are months without snowfall.Daylight
In September, the average length of the day is 12h and 29min.On the first day of the month, sunrise is at 06:35 and sunset at 19:42. On the last day of September, sunrise is at 07:05 and sunset at 18:52 CEST.
Sunshine
In September, the average sunshine in Montecelio is 10.8h.UV index
The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: In September, the maximum UV index of 5 transforms into these recommendations:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Montecelio?
What is the average humidity in September in Montecelio?
How many days does it rain in September in Montecelio?
When it does not snow in Montecelio?
What is the average length of the day in September in Montecelio?
What time are sunrise and sunset in September in Montecelio?
How many hours of sunshine does Montecelio have in September?
How high is the UV index in September in Montecelio?
Average temperature in September
Montecelio, Italy
- Average high temperature in September: 25.7°C
The warmest month (with the highest average high temperature) is August (31.3°C).
The month with the lowest average high temperature is January (10.3°C).
- Average low temperature in September: 14.7°C
The month with the highest average low temperature is August (17.8°C).
The coldest month (with the lowest average low temperature) is January (2.8°C).
Average pressure in September
Montecelio, Italy
- Average pressure in September: 1015.6mbar
The month with the highest atmospheric pressure is December (1018.5mbar).
The month with the lowest atmospheric pressure is April (1014mbar).
Average wind speed in September
Montecelio, Italy
- Average wind speed in September: 7.9km/h
The windiest month (with the highest average wind speed) is February (10.6km/h).
The calmest months (with the lowest average wind speed) are July and August (7.7km/h).
Average humidity in September
Montecelio, Italy
- Average humidity in September: 65%
The months with the highest relative humidity are January and November (78%).
The month with the lowest relative humidity is August (56%).
Average rainfall in September
Montecelio, Italy
- Average rainfall in September: 48mm
The wettest month (with the highest rainfall) is November (90mm).
The driest month (with the least rainfall) is August (24mm).
Average rainfall days in September
Montecelio, Italy
- Average rainfall days in September: 13.3 days
The month with the highest number of rainy days is April (15.2 days).
The month with the least rainy days is August (8 days).
Average snowfall in September
Montecelio, Italy
- Average snowfall in September: 0mm
The month with the highest snowfall is February (5mm).
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in September
Montecelio, 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
Montecelio, Italy
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 10h and 5min
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 54min).
Average sunshine days in September
Montecelio, Italy
- Average sunshine days in September: 15.3 days
The month with the most sunshine days is August (21.4 days).
The month with the least sunshine days is April (12.8 days).
Average UV index in September
Montecelio, Italy
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in September
Montecelio, Italy
- Average cloud cover in September: 20
The months with the most cloud cover are January and February (Cloud cover 36).
The month with the least cloud cover is August (Cloud cover 11).
Average visibility in September
Montecelio, Italy
- Average visibility in September: 10km
The months with the highest visibility are June, July, August, September, October and December (10km).
The months with the lowest visibility are January, February, March, April, May and November (9km).
