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 days in September
- Average sea temperature 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
Portoscuso observes a small decrease in the average high-temperature with the arrival of September, falling from August's hot 30.6°C (87.1°F) to a warm 26.2°C (79.2°F). In September, the average low-temperature in Portoscuso records at a comfortable 19.4°C (66.9°F) during the nights.Humidity
In September, the average relative humidity is 68%.Rainfall
In Portoscuso, in September, during 8.4 rainfall days, 21mm (0.83") of precipitation is typically accumulated. In Portoscuso, during the entire year, the rain falls for 107.7 days and collects up to 284mm (11.18") of precipitation.Snowfall
In Portoscuso, Italy, snow does not fall in January, March through November.Sea temperature
In September, the average sea temperature in Portoscuso is 23.8°C (74.8°F).Note: For those with a heightened sensitivity to cold, sunshine, wind, and outside temperature make a big difference in enjoying a swim at 23.8°C (74.8°F). (Olympic swimming regulations state a water temperature of 25°C (77°F) to 28°C (82.4°F).)
Daylight
The average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 06:55 and sunset at 19:57. On the last day of September, sunrise is at 07:22 and sunset at 19:10 CEST.
Sunshine
In Portoscuso, the average sunshine in September is 10.3h.UV index
In September, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 6 during September leads to these advisories:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Attention! UV radiation is ramped up when reflecting off sand and water surfaces.
Frequently asked questions
What are September temperatures in Portoscuso?
What is the average humidity in September in Portoscuso?
How many days does it rain in September in Portoscuso?
When it does not snow in Portoscuso?
How warm is the water in September in Portoscuso?
What is the average length of the day in September in Portoscuso?
When is the sunrise / sunset in September in Portoscuso?
How long on average sun shines in September in Portoscuso?
What is the UV index intensity in September in Portoscuso?
Average temperature in September
Portoscuso, Italy
- Average high temperature in September: 26.2°C
The warmest month (with the highest average high temperature) is August (30.6°C).
The months with the lowest average high temperature are January and February (13.4°C).
- Average low temperature in September: 19.4°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 (6.7°C).
Average pressure in September
Portoscuso, Italy
- Average pressure in September: 1015.7mbar
The month with the highest atmospheric pressure is December (1019.3mbar).
The month with the lowest atmospheric pressure is April (1014.2mbar).
Average wind speed in September
Portoscuso, Italy
- Average wind speed in September: 11.4km/h
The windiest month (with the highest average wind speed) is February (15.9km/h).
The calmest month (with the lowest average wind speed) is August (10.7km/h).
Average humidity in September
Portoscuso, Italy
- Average humidity in September: 68%
The month with the highest relative humidity is January (79%).
The months with the lowest relative humidity are July and August (59%).
Average rainfall in September
Portoscuso, Italy
- Average rainfall in September: 21mm
The wettest month (with the highest rainfall) is November (58mm).
The driest month (with the least rainfall) is July (5mm).
Average rainfall days in September
Portoscuso, Italy
- Average rainfall days in September: 8.4 days
The month with the highest number of rainy days is November (12.6 days).
The month with the least rainy days is July (3.3 days).
Average snowfall days in September
Portoscuso, Italy
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are February and December (0.1 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October and November (0 days).
Average sea temperature in September
Portoscuso, Italy
- Average sea temperature in September: 23.8°C
The best month for swimming (with the highest average sea temperature) is August (24.5°C).
The coldest month (with the lowest average sea temperature) is February (13.8°C).
Average daylight in September /
Average sunshine in September
Portoscuso, Italy
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in September: 10h and 2min
The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 0min).
Average sunshine days in September
Portoscuso, Italy
- Average sunshine days in September: 19.8 days
The month with the most sunshine days is July (26.4 days).
The month with the least sunshine days is November (14.4 days).
Average UV index in September
Portoscuso, Italy
- Average UV index in September: 6
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in September
Portoscuso, Italy
- Average cloud cover in September: 15
The month with the most cloud cover is January (Cloud cover 35).
The months with the least cloud cover are July and August (Cloud cover 7).
Average visibility in September
Portoscuso, 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).
Portoscuso, Italy
Weather forecast for your location
2. Allow the app to use your location
