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
September
Weather in September
Temperature
Capri's weather in September, with an average high-temperature of a still warm 24.6°C (76.3°F), subtly shifts from August's 27.3°C (81.1°F). Capri's average nighttime temperature in September modestly descends to a pleasant 22.4°C (72.3°F).Humidity
The least humid month is September, with an average relative humidity of 66%.Rainfall
In Capri, during September, the rain falls for 13.5 days and regularly aggregates up to 72mm (2.83") of precipitation. In Capri, Italy, during the entire year, the rain falls for 154.7 days and collects up to 815mm (32.09") of precipitation.Snowfall
January through November are months without snowfall in Capri.Sea temperature
In Capri, in September, the average water temperature is 24.8°C (76.6°F).Note: People sensitive to cold might find swimming in 24.8°C (76.6°F) challenging. However, conditions like sunshine, wind, and ambient temperature play a significant role in the overall comfort. Wetsuits, while optional, might be beneficial.
Daylight
In September, the average length of the day in Capri, Italy, is 12h and 28min.On the first day of the month, sunrise is at 06:30 and sunset at 19:35. On the last day of September, in Capri, Italy, sunrise is at 06:59 and sunset at 18:46 CEST.
Sunshine
In September, the average sunshine is 10.9h.UV index
In September, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for the ordinary person.Note: A daily high UV index of 6 in September leads to these guidelines:
Fend off overexposure. Sun protection is vital. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Boost your sun resistance with garments that are densely woven yet spacious. Be careful! The Sun's UV radiation is accentuated by reflecting off sand and water.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Capri?
What is the least humid month in Capri?
What is the average humidity in September in Capri?
How many days does it rain in September in Capri?
When it does not snow in Capri?
What is the sea temperature in September in Capri?
What is the average length of the day in September in Capri?
When are sunrise and sunset in September in Capri?
How long on average sun shines in September in Capri?
What is the UV index reading in September in Capri?
Average temperature in September
Capri, Italy
- Average high temperature in September: 24.6°C
The warmest month (with the highest average high temperature) is August (27.3°C).
The months with the lowest average high temperature are January and February (13.1°C).
- Average low temperature in September: 22.4°C
The month with the highest average low temperature is August (24.8°C).
The coldest months (with the lowest average low temperature) are January and February (10.8°C).
Average pressure in September
Capri, 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 (1014.1mbar).
Average wind speed in September
Capri, Italy
- Average wind speed in September: 13.4km/h
The windiest month (with the highest average wind speed) is February (19.5km/h).
The calmest month (with the lowest average wind speed) is August (11.1km/h).
Average humidity in September
Capri, Italy
- Average humidity in September: 66%
The month with the highest relative humidity is April (73%).
The month with the lowest relative humidity is September (66%).
Average rainfall in September
Capri, Italy
- Average rainfall in September: 72mm
The wettest month (with the highest rainfall) is November (162mm).
The driest month (with the least rainfall) is August (11mm).
Average rainfall days in September
Capri, Italy
- Average rainfall days in September: 13.5 days
The month with the highest number of rainy days is November (17.6 days).
The month with the least rainy days is August (4.3 days).
Average snowfall days in September
Capri, Italy
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).
Average sea temperature in September
Capri, Italy
- Average sea temperature in September: 24.8°C
The best month for swimming (with the highest average sea temperature) is August (26°C).
The coldest month (with the lowest average sea temperature) is February (13.9°C).
Average daylight in September /
Average sunshine in September
Capri, Italy
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 10h and 5min
The months with the most sunshine are June, July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).
Average sunshine days in September
Capri, Italy
- Average sunshine days in September: 14.7 days
The months with the most sunshine days are July and August (24.2 days).
The month with the least sunshine days is February (9.5 days).
Average UV index in September
Capri, Italy
- Average UV index in September: 6
The months with the highest UV index are July and August (UV index 7).
The month with the lowest UV index is January (UV index 3).
Average cloud cover in September
Capri, Italy
- Average cloud cover in September: 20
The month with the most cloud cover is January (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 9).
Average visibility in September
Capri, 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).
