Napoli (Naples)
September
Weather in Napoli for September 2026
Your guide to Napoli weather in September - trends and predictions
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 24.9 °C by the end of September.
Napoli in September brings notable rainfall, with an average of 19 rainy days and a total precipitation of 123.3 mm.
Is September a good time to visit Napoli? check out the best time to travel to Napoli page.
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Temperatures
Rain 🌧️
More
11
Dry days
19
Rainy days
0
Snow days
27°/21°
Temperatures
17 km/h
Avg max wind
58 %
Avg humidity
Napoli Weather September
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Temperatures trend during September in Napoli
See the weather trend as well as the moving average line
September weather in Napoli day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Sunny | 29° /21° | 4.3 mm | 7 | |
| 2 Sept. | Sunny | 29° /22° | 0.6 mm | 7 | |
| 3 Sept. | Sunny | 29° /22° | 0 mm | 7 | |
| 4 Sept. | Sunny | 29° /22° | 1.2 mm | 7 | |
| 5 Sept. | Sunny | 29° /22° | 1.4 mm | 7 | |
| 6 Sept. | Sunny | 30° /22° | 0.3 mm | 7 | |
| 7 Sept. |  Patchy rain possible | 30° /22° | 0.3 mm | 7 | |
| 8 Sept. | Sunny | 30° /22° | 0.2 mm | 7 | |
| 9 Sept. |  Partly cloudy | 29° /22° | 5.4 mm | 7 | |
| 10 Sept. | Sunny | 29° /22° | 2.4 mm | 6 | |
| 11 Sept. | Sunny | 27° /21° | 1.1 mm | 7 | |
| 12 Sept. | Sunny | 28° /21° | 1.8 mm | 7 | |
| 13 Sept. | Sunny | 27° /20° | 2.1 mm | 7 | |
| 14 Sept. | Sunny | 27° /20° | 0.3 mm | 7 | |
| 15 Sept. | Partly cloudy | 27° /20° | 0 mm | 7 | |
| 16 Sept. | Partly cloudy | 27° /20° | 12.7 mm | 6 | |
| 17 Sept. | Patchy rain possible | 26° /21° | 10.9 mm | 6 | |
| 18 Sept. | Sunny | 27° /20° | 1.3 mm | 6 | |
| 19 Sept. |  Overcast | 26° /20° | 1.3 mm | 6 | |
| 20 Sept. | Patchy rain possible | 27° /20° | 0.2 mm | 6 | |
| 21 Sept. | Sunny | 26° /20° | 0.2 mm | 7 | |
| 22 Sept. | Sunny | 26° /20° | 0 mm | 7 | |
| 23 Sept. | Sunny | 25° /18° | 8.2 mm | 6 | |
| 24 Sept. | Patchy rain possible | 25° /19° | 2.3 mm | 6 | |
| 25 Sept. | Sunny | 24° /18° | 18.5 mm | 5 | |
| 26 Sept. | Sunny | 25° /19° | 7.6 mm | 6 | |
| 27 Sept. | Sunny | 26° /20° | 1 mm | 6 | |
| 28 Sept. | Patchy rain possible | 25° /20° | 2.1 mm | 6 | |
| 29 Sept. | Sunny | 24° /19° | 8.7 mm | 6 | |
| 30 Sept. |  Moderate rain at times | 25° /18° | 8 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.
| August | September | October | |
|---|---|---|---|
| Weather | Sunny | Sunny | Sunny |
| Temperatures | 31°/24° | 27°/21° | 23°/17° |
| Rainfall | 25 mm | 123 mm | 84 mm |
| Wind | 16.5 km/h | 16.6 km/h | 13.3 km/h |
| Humidity | 55% | 58% | 63% |
| Rainy days | 9 days | 19 days | 19 days |
| Dry days | 22 days | 11 days | 12 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.
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 💧
Typically, Napoli has 19 rainy days in September with a total of 123.3 mm of rainfall.
UV exposure in Napoli during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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