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
A subtle shift in Portella di Mare's weather is observed as August turns into September, with the average high temperature reducing from 29.8°C (85.6°F) to a still moderately hot 25.5°C (77.9°F). Portella di Mare in September experiences a low-temperature average of 19.8°C (67.6°F).Humidity
In September, the average relative humidity is 68%.Rainfall
The wettest months are September and October, with an average 57mm (2.24") of rainfall.Snowfall
February through November are months without snowfall in Portella di Mare, Italy.Daylight
In September, the average length of the day is 12h and 26min.On the first day of the month, sunrise is at 06:36 and sunset at 19:35. On the last day of September, in Portella di Mare, sunrise is at 07:01 and sunset at 18:50 CEST.
Sunshine
In September, the average sunshine in Portella di Mare is 10.8h.UV index
The average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the average person.Note: The average daily UV index of 6 in September transforms into the following instructions:
Take precautions against overexposure. Protection against sun damage is needed. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Frequently asked questions
What is the usual temperature for Portella di Mare in September?
What is the average humidity in September in Portella di Mare?
What is the wettest month in Portella di Mare?
How many days does it rain in September in Portella di Mare?
When it does not snow in Portella di Mare?
What is the average length of the day in September in Portella di Mare?
What time are sunrise and sunset in September in Portella di Mare?
How many hours of sunshine does Portella di Mare have in September?
What is the UV index reading in September in Portella di Mare?
Average temperature in September
Portella di Mare, Italy
- Average high temperature in September: 25.5°C
The warmest month (with the highest average high temperature) is August (29.8°C).
The month with the lowest average high temperature is February (12.5°C).
- Average low temperature in September: 19.8°C
The month with the highest average low temperature is August (22°C).
The coldest month (with the lowest average low temperature) is February (6.8°C).
Average pressure in September
Portella di Mare, Italy
- Average pressure in September: 1015.6mbar
The month with the highest atmospheric pressure is December (1019mbar).
The months with the lowest atmospheric pressure are April and July (1014.3mbar).
Average wind speed in September
Portella di Mare, Italy
- Average wind speed in September: 8.9km/h
The windiest month (with the highest average wind speed) is February (13.9km/h).
The calmest month (with the lowest average wind speed) is August (7.8km/h).
Average humidity in September
Portella di Mare, Italy
- Average humidity in September: 68%
The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is July (59%).
Average rainfall in September
Portella di Mare, Italy
- Average rainfall in September: 57mm
The wettest months (with the highest rainfall) are September and October (57mm).
The driest month (with the least rainfall) is July (5mm).
Average rainfall days in September
Portella di Mare, Italy
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is January (13.6 days).
The month with the least rainy days is July (3.3 days).
Average snowfall in September
Portella di Mare, Italy
- Average snowfall in September: 0mm
The month with the highest snowfall is January (2mm).
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Portella di Mare, Italy
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and December (0.1 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
Portella di Mare, 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: 10h and 5min
The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 42min).
Average sunshine days in September
Portella di Mare, Italy
- Average sunshine days in September: 15.7 days
The month with the most sunshine days is July (26.6 days).
The month with the least sunshine days is February (14.3 days).
Average UV index in September
Portella di Mare, Italy
- Average UV index in September: 6
The months with the highest UV index are July and August (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in September
Portella di Mare, Italy
- Average cloud cover in September: 19
The month with the most cloud cover is January (Cloud cover 40).
The month with the least cloud cover is July (Cloud cover 7).
Average visibility in September
Portella di Mare, 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).
Portella di Mare, Italy
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