Normal weather for Naples in September
It's hot in September in Naples with an average temperature of 32°C. Temperatures this month range from a low of 30°C to a high of 35°C. At night, you can expect temperatures between 18°C and 22°C.
In September, there is an average of 48 mm of precipitation, spread over 8 days. The wind speed is around 3 Bft, mostly coming from the Southeast.
Naples in September |
London | ||
|---|---|---|---|
 Average Temperature |
32°C | 20°C | |
 High Temp |
35°C | 22°C | |
| Low Temp |
30°C | 17°C | |
 Total Precipitation |
48 mm | 44 mm | |
| Rainy Days |
8 days | 8 days | |
Start of September
The month of September starts in Naples with hot temperatures, averaging around 34°C during the day and nights close to 22°C. A few showers might pop up in the first days of the month, but the weather remains mostly sunny and dry. Breezy clothes like shorts or a dress, plus a hat and sunglasses, are ideal.
Mid-September
By mid-September, the average daytime temperature drops to around 33°C, with nights close to 21°C. There might be a few showers during this period, but plenty of dry days with sunshine too.
Temperatures vary between day and night, so it’s smart to wear layers. Breezy clothes like shorts or a dress, plus a hat and sunglasses, are ideal for the day. In the evening and morning, a T-shirt, light trousers or skirt, and a light jacket are recommended.
End of September
By the end of September, the average daytime temperature in Naples will be around 32°C, with nights close to 20°C. Barely any chance of precipitation. The weather will mostly be dry with lots of sunshine.
As it gets cooler in the evening, it’s best to wear layers. Breezy clothes like shorts or a dress, plus a hat and sunglasses, are ideal for the day. In the evening and morning, a T-shirt, light trousers or skirt, and a light jacket are recommended.
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UV index
The UV index is a maximum of 7 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.
Is September a good time to visit Naples?
September is a great month to be in Naples for sunny weather. You’ll get high temperatures and not too much rain this month.
The hurricane season in Naples runs from June to November.
Temperature records for Naples in September
With 40°C, Naples hit the highest temperature in the last 10 years in September 2023. The lowest daytime temperature in this month was 18°C in 2014. The extreme night temperatures ranged from a low of 8°C to a high of 27°C.
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Daily Temperature in September in Naples
This chart shows the average daily temperatures, both day and night, for each day in September in Naples, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in September in Naples
The chart below shows the average daily precipitation in September for Naples, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for September, you can expect around 8 days of rain in Naples.
Daily UV Index in September in Naples
This chart shows the average daily UV index in September in Naples, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in September in Naples Over the Years
This chart shows the average temperature in September in Naples, measured in degrees Celsius, over the past years.
Total Precipitation in September in Naples Over the Years
This chart shows the average precipitation in September in Naples, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in September for Naples
Click on a specific day in September for detailed info on the typical weather on that day in Naples. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in September in Naples
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Average Weather in Naples by Month
Click on a month below to see detailed weather info for Naples. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
