Weather in Napoli for September 2027
In general, the average temperature in Napoli at the beginning of September is 28.7 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 24.5 °C by the end of September.
Napoli experiences moderate rainfall in September, with an average of 8 rainy days and a total precipitation of 90.9 mm.
Is September a good time to visit Napoli? check out the best time to travel to Napoli page.
✨ Is September a good time to visit Napoli? – Ask the AI Weatherman
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Napoli Weather September
Temperatures trend during September in Napoli
September weather in Napoli day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Light rain | 28° /22° | 3.5 mm | 7 | |
| 2 Sept. |  Sunny | 28° /23° | 0.5 mm | 7 | |
| 3 Sept. | Sunny | 28° /23° | 0 mm | 7 | |
| 4 Sept. |  Patchy rain possible | 29° /23° | 1 mm | 7 | |
| 5 Sept. | Patchy rain possible | 29° /23° | 1.2 mm | 7 | |
| 6 Sept. | Sunny | 29° /23° | 0.2 mm | 7 | |
| 7 Sept. | Sunny | 29° /23° | 0.2 mm | 7 | |
| 8 Sept. | Sunny | 29° /23° | 0.2 mm | 7 | |
| 9 Sept. | Light rain | 29° /23° | 4.5 mm | 7 | |
| 10 Sept. | Patchy rain possible | 28° /23° | 2 mm | 7 | |
| 11 Sept. | Patchy rain possible | 27° /22° | 1.4 mm | 6 | |
| 12 Sept. | Patchy rain possible | 27° /21° | 1.5 mm | 7 | |
| 13 Sept. | Patchy rain possible | 27° /21° | 1.8 mm | 7 | |
| 14 Sept. | Sunny | 27° /21° | 0.2 mm | 7 | |
| 15 Sept. |  Partly cloudy | 27° /21° | 0 mm | 6.9 | |
| 16 Sept. |  Moderate rain | 26° /21° | 10.6 mm | 6 | |
| 17 Sept. | Light rain | 26° /21° | 9.5 mm | 6 | |
| 18 Sept. | Patchy rain possible | 27° /21° | 1.3 mm | 6 | |
| 19 Sept. | Patchy rain possible | 26° /21° | 1.4 mm | 6 | |
| 20 Sept. |  Cloudy | 27° /21° | 0.1 mm | 6 | |
| 21 Sept. | Sunny | 26° /21° | 0.2 mm | 6 | |
| 22 Sept. | Sunny | 26° /20° | 0.1 mm | 6 | |
| 23 Sept. | Light rain | 25° /19° | 6.8 mm | 6 | |
| 24 Sept. | Patchy rain possible | 24° /19° | 2 mm | 6 | |
| 25 Sept. | Moderate rain | 24° /19° | 17.8 mm | 5 | |
| 26 Sept. | Light rain | 25° /19° | 6.3 mm | 5.8 | |
| 27 Sept. | Sunny | 25° /20° | 0.9 mm | 5.8 | |
| 28 Sept. | Patchy rain possible | 25° /20° | 1.7 mm | 5.7 | |
| 29 Sept. | Light rain | 24° /19° | 7.3 mm | 5.6 | |
| 30 Sept. | Light rain | 25° /19° | 6.7 mm | 5.5 | |
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Napoli weather in September vs August vs October
| August | September | October | |
|---|---|---|---|
| Weather | Sunny | Sunny | Patchy rain possible |
| Temperatures | 31°/24° | 27°/21° | 22°/17° |
| Rainfall | 27 mm | 91 mm | 100 mm |
| Wind | 16.6 km/h | 16.1 km/h | 14.5 km/h |
| Humidity | 57% | 59% | 63% |
| Rainy days | 5 days | 8 days | 10 days |
| Dry days | 26 days | 22 days | 21 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?
How much rainfall should be expected in Napoli during September?
What are the typical wind conditions in Napoli during September?
Napoli water temperatures in September
The average water temperature of the Mediterranean Sea near Napoli in September is 25.1 °C. At the beginning of September temperatures are around 25.8 °C; by the end of the month they get cooler and reach 24.5 °C.
- What is the water temperature in Napoli in September?
- The average water temperature in Napoli in September is 25.1 °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.
September rainfall patterns in Napoli
UV exposure in Napoli during September
What to pack to Napoli in September?
Warm & sunny · highs around 27 °C, frequent showers
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.