easeweather.com
Napoli (Naples)
AcirealeAgrigentoAlgheroAmalfiAnconaAostaArezzoAssisiBariBellagioBergamoBolognaBormioBrenneroBresciaBrindisiCagliariCapriCataniaCefalùCivitavecchiaCologneComoCortina d'AmpezzoCortonaDolomiti Golf ClubFlorenceFoggiaGallipoliGardaGenoaIschiaLa SpeziaLago di ComoLago di GardaLecceLevanzoLivornoLuccaMalcesineMarsalaMateraMeranoMessinaMilanModenaMonacoMonterosso al MareMuranoNaplesOlbiaOrtiseiPadovaPalermoParmaPerugiaPescaraPisaPompeiPortofinoPositanoPratoProcidaPugliaRagusaRavennaReggio CalabriaRiminiRiomaggioreRiva del GardaRomeSalernoSan GimignanoSan Giovanni RotondoSan RemoSan Vito Lo CapoSanta MargheritaSardiniaSiciliSicilySienaSiracusaSorrentoStresaTaorminaTarantoTarvisioTermoliTiranoTrentoTrevisoTriesteTriesteTurinVarennaVeneziaVeniceVernazzaVeronaViareggioVolterra More Locations
Italy weather

Weather in Napoli for September 2025

Your guide to Napoli weather in September - trends and predictions

    Temperatures

  • Until now, September 2025 in Napoli is slightly cooler than the historical average by -1.9 °C.

  • The forecast for the next days in Napoli predicts a temperature of 24.4 °C, which is cooler than the historical average.

  • In general, the average temperature in Napoli at the beginning of September is 29.3 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 21.7 °C by the end of September.

    • Rain 🌧️

  • Napoli in September brings notable rainfall, with an average of 19 rainy days and a total precipitation of 123.3 mm.

    • More

  • Is September a good time to visit Napoli? check out the best time to travel to Napoli page.

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
11
Dry days
Average rainy days
19
Rainy days
Average snowy days
0
Snow days
Average temperatures
27°/21°
Temperatures
Average wind speed
17 km/h
Avg max wind
Average humidity
58 %
Avg humidity

Napoli Weather September

Move between months or click on a day
August
October
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Sunny
29°
2
Sunny
29°
3
Sunny
29°
4
Sunny
29°
5
Sunny
29°
6
Sunny
30°
7
Patchy rain possible
30°
8
Sunny
30°
9
Partly cloudy
29°
10
Sunny
29°
11
Sunny
27°
12
Sunny
28°
13
Sunny
27°
14
Sunny
27°
15
Partly cloudy
27°
16
Partly cloudy
26°
17
Patchy rain possible
27°
18
Sunny
30°
19
Sunny
29°
20
Sunny
27°
21
Sunny
26°
22
Sunny
26°
23
Heavy rain
24°
24
Patchy rain possible
22°
25
Patchy rain possible
21°
26
Patchy rain possible
20°
27
Patchy rain possible
21°
28
Patchy rain possible
21°
29
Sunny
22°
30
Moderate rain at times
25°

Temperatures trend during September in Napoli

See the weather trend as well as the moving average line

September weather in Napoli day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Sunny
Sunny
 29° /21° 4.3 mm 7
2 Sept. Sunny
Sunny
 29° /22° 0.6 mm 7
3 Sept. Sunny
Sunny
 29° /22° 0 mm 7
4 Sept. Sunny
Sunny
 29° /22° 1.2 mm 7
5 Sept. Sunny
Sunny
 29° /22° 1.4 mm 7
6 Sept. Sunny
Sunny
 30° /22° 0.3 mm 7
7 Sept. Patchy rain possible
Patchy rain possible
 30° /22° 0.3 mm 7
8 Sept. Sunny
Sunny
 30° /22° 0.2 mm 7
9 Sept. Partly cloudy
Partly cloudy
 29° /22° 5.4 mm 7
10 Sept. Sunny
Sunny
 29° /22° 2.4 mm 6
11 Sept. Sunny
Sunny
 27° /21° 1.1 mm 7
12 Sept. Sunny
Sunny
 28° /21° 1.8 mm 7
13 Sept. Sunny
Sunny
 27° /20° 2.1 mm 7
14 Sept. Sunny
Sunny
 27° /20° 0.3 mm 7
15 Sept. Partly cloudy
Partly cloudy
 27° /20° 0 mm 7
16 Sept. Partly cloudy
Partly cloudy
 26° /23° 0 mm 1.6
17 Sept. Patchy rain possible
Patchy rain possible
 27° /23° 0.2 mm 1.3
18 Sept. Sunny
Sunny
 30° /22° 0 mm 1.5
19 Sept. Sunny
Sunny
 29° /23° 0 mm 1.5
20 Sept. Sunny
Sunny
 27° /23° 0 mm 1.8
21 Sept. Sunny
Sunny
 26° /23° 0 mm 6
22 Sept. Sunny
Sunny
 26° /23° 0 mm 6
23 Sept. Heavy rain
Heavy rain
 24° /21° 23.7 mm 5
24 Sept. Patchy rain possible
Patchy rain possible
 22° /18° 2.5 mm 5
25 Sept. Patchy rain possible
Patchy rain possible
 21° /19° 4.1 mm 4
26 Sept. Patchy rain possible
Patchy rain possible
 20° /19° 1 mm 4
27 Sept. Patchy rain possible
Patchy rain possible
 21° /19° 1.1 mm 4
28 Sept. Patchy rain possible
Patchy rain possible
 21° /18° 0.7 mm 4
29 Sept. Sunny
Sunny
 22° /19° 0 mm 6
30 Sept. Moderate rain at times
Moderate rain at times
 25° /18° 9.6 mm 6
Next
Important Notice
Our weather forecast for Napoli in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Napoli forecast closer to your planned date for the most up-to-date weather information.
Change Month
‹
›

Napoli weather in September vs August vs October

Compare September weather in Napoli with the previous and following months. See how temperature, rainfall, wind, and other conditions change throughout the year to help you plan your visit.
AugustSeptemberOctober
WeatherSunny
Sunny
Sunny
Sunny
Sunny
Sunny
Temperatures31°/24°27°/21°23°/17°
Rainfall25 mm123 mm84 mm
Wind16.5 km/h16.6 km/h13.3 km/h
Humidity55%58%63%
Rainy days9 days19 days19 days
Dry days22 days11 days12 days

Planning a trip to Napoli? Discover the best time to visit

Napoli in September - FAQ

What are the expected maximum and minimum temperatures in Napoli during September?
During September, expect a variety of temperatures with highs around 27° and lows near 21°, suitable for diverse activities and preferences.
How much rainfall should be expected in Napoli during September?
Significant rainfall exceeding 123.3 mm is expected in Napoli during September, occurring over more than 19 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Napoli during September?
The average wind speed in Napoli during September is 17 km/h, suggesting breezy to windy conditions, depending on your activities.

Napoli water temperatures in September

The average water temperature of the Mediterranean Sea near Napoli in September is 24.6 °C. Temperatures remain fairly consistent throughout the month.

What is the water temperature in Napoli in September?
The average water temperature in Napoli in September is 24.6 °C.
Can you swim in Napoli in September?
Ideal conditions for families and casual swimmers. You can stay in for long swims or reef explorations with no thermal protection required.

What to pack to Napoli in September?

As you prepare for your trip to Napoli in September, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Napoli, during September, is comfortable and enjoyable, regardless of the weather conditions.

  • Clothing
    • Lightweight Clothing: T-shirts, blouses, shorts, skirts
    • Rain Gear: Lightweight, waterproof clothing
  • Footwear
    • Waterproof Shoes
  • Accessories
    • Sunglasses: For sun protection
    • Sun Hats: Wide-brimmed hats for sun protection in warm weather
    • Umbrellas/Raincoats: For rainy days
  • Personal Items
    • Sunscreen: High SPF for sunny destinations
    • Lip Balm with SPF: To protect against chapped lips

September rainfall patterns in Napoli

Explore the daily rainfall trends and prepare for Napolis September weather 💧

UV exposure in Napoli during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
Top locations in Napoli
Select a location for an accurate weather forecast
CapriIschiaNaplesPompeiProcidaSorrento
More Locations

Quick links

More Napoli weather pages
You are here
Location coordinates Where is Napoli?

Get accurate weather forecasts for Napoli, located at latitude 40.852 and longitude 14.268. Stay updated with localized weather information tailored for Napoli.

Found a mistake?
We appreciate your attention to details. Tell us here.