Normal weather for Naples in September
It's warm in September in Naples with an average temperature of 28°C. Temperatures this month range from a low of 25°C to a high of 30°C. At night, you can expect temperatures between 17°C and 21°C.
In September, there is an average of 88 mm of precipitation, spread over 12 days. The wind speed is around 3 Bft, mostly coming from the South.
Naples in September |
New York | ||
|---|---|---|---|
 Average Temperature |
28°C | 27°C | |
 High Temp |
30°C | 31°C | |
| Low Temp |
25°C | 21°C | |
 Total Precipitation |
88 mm | 57 mm | |
| Rainy Days |
12 days | 9 days | |
Start of September
The month of September starts in Naples with hot temps, averaging around 29°C during the day and nights around 21°C. A few showers might pop up early in the month, but overall, it’ll stay mostly sunny and dry.
With the temperature difference between day and night, it’s smart to wear layers. For the daytime, light clothing like shorts or a dress, and a hat and sunglasses are perfect. In the evening and morning, a T-shirt, light pants or skirt, and a light jacket are ideal.
Mid September
By mid-September, daytime temps stay steady at around 29°C, with nights around 21°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.
Since it cools down at night, it’s a good idea to wear layers. For the daytime, light clothing like shorts or a dress, and a hat and sunglasses are perfect. In the evening and morning, a T-shirt, light pants or skirt, and a light jacket are ideal.
End of September
By the end of September, the average daytime temperature in Naples is around 26°C, while nighttime temps are about 18°C. Expect regular precipitation, but if you’re lucky, you’ll also get some dry and sunny days.
Because temperatures drop in the evening, wearing layers is recommended. For the daytime, light clothing like shorts or a dress, and a hat and sunglasses are perfect. For the evening and morning, a shirt, maybe a light sweater, and thin pants are recommended.
Water temperature
The water temperature at Naples is 28°C this month. Nice and warm for a swim.
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?
Looking for great weather? September is a good time to be in Naples. The temperatures are nice, and there’s not too much rain.
Temperature records for Naples in September
Check out the climate of Naples for all months and discover the best travel time
Curious about the weather in other parts of Italy? Check out the climate and weather for spots like Tuscany, Sicily, Lake Garda, or explore other destinations in Italy.
August
Daily Temperature in September in Naples
This chart shows the average daily high and low temperatures in September for Naples, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in September in Naples
The chart below shows the average daily precipitation in September for Naples, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed 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 it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for September, you can expect about 12 days of precipitation 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 few years.
Total Precipitation in September in Naples Over the Years
This chart shows the average precipitation in September in Naples, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily Climate in September for Naples
Click on any day in September to get detailed info about the usual 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
Have you been to Naples in September?
Share your weather experience in September in Naples.
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.
