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
Start of September brings a slight shift in the average high-temperature, dipping a bit from August's 28.3°C (82.9°F) to a still warm 24.6°C (76.3°F). In Collesano, September nights experience a modest descent in temperature from daily peaks, cooling down to an average of 19.7°C (67.5°F).Humidity
In Collesano, the average relative humidity in September is 69%.Rainfall
In Collesano, in September, it is raining for 10.9 days, with typically 42mm (1.65") of accumulated precipitation. Throughout the year, in Collesano, there are 121.2 rainfall days, and 368mm (14.49") of precipitation is accumulated.Snowfall
February through November are months without snowfall.Daylight
In September, the average length of the day is 12h and 26min.On the first day of the month, sunrise is at 06:34 and sunset at 19:33. On the last day of September, in Collesano, sunrise is at 06:59 and sunset at 18:48 CEST.
Sunshine
In Collesano, Italy, the average sunshine in September is 11h.UV index
The average daily maximum UV index in September in Collesano is 6. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for the ordinary person.Note: In September, the maximum UV index of 6 translates into these guidelines:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Collesano in September?
What is the average humidity in September in Collesano?
How many days does it rain in September in Collesano?
When it does not snow in Collesano?
What is the average length of the day in September in Collesano?
When are sunrise and sunset in September in Collesano?
How many hours of sunshine does Collesano have in September?
What is the UV index reading in September in Collesano?
Average temperature in September
Collesano, Italy
- Average high temperature in September: 24.6°C
The warmest month (with the highest average high temperature) is August (28.3°C).
The month with the lowest average high temperature is January (12.2°C).
- Average low temperature in September: 19.7°C
The month with the highest average low temperature is August (21.7°C).
The coldest month (with the lowest average low temperature) is February (7.4°C).
Average pressure in September
Collesano, Italy
- Average pressure in September: 1015.7mbar
The month with the highest atmospheric pressure is December (1019.1mbar).
The month with the lowest atmospheric pressure is July (1014.3mbar).
Average wind speed in September
Collesano, Italy
- Average wind speed in September: 9.4km/h
The windiest month (with the highest average wind speed) is February (15km/h).
The calmest month (with the lowest average wind speed) is August (8.3km/h).
Average humidity in September
Collesano, Italy
- Average humidity in September: 69%
The month with the highest relative humidity is January (76%).
The months with the lowest relative humidity are July and August (64%).
Average rainfall in September
Collesano, Italy
- Average rainfall in September: 42mm
The wettest month (with the highest rainfall) is January (50mm).
The driest month (with the least rainfall) is July (6mm).
Average rainfall days in September
Collesano, Italy
- Average rainfall days in September: 10.9 days
The month with the highest number of rainy days is January (15 days).
The month with the least rainy days is July (3.1 days).
Average snowfall in September
Collesano, Italy
- Average snowfall in September: 0mm
The month with the highest snowfall is January (4mm).
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Collesano, Italy
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and December (0.2 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Collesano, Italy
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in September: 11h and 0min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 6h and 0min).
Average sunshine days in September
Collesano, Italy
- Average sunshine days in September: 16.2 days
The month with the most sunshine days is July (27.4 days).
The months with the least sunshine days are January and February (12.7 days).
Average UV index in September
Collesano, Italy
- Average UV index in September: 6
The month with the highest UV index is August (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in September
Collesano, Italy
- Average cloud cover in September: 17
The month with the most cloud cover is January (Cloud cover 36).
The month with the least cloud cover is July (Cloud cover 6).
Average visibility in September
Collesano, 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).
