Naples · September
Best travel monthTravel seasonItaly · Europe
Climate Overview
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Ø day, range from coolest to warmest dayØ dayrange | 14° (57°)8– (46–)18 (64) | 14° (57°)8– (46–)18 (64) | 16° (61°)10– (50–)22 (72) | 20° (68°)14– (57–)25 (77) | 24° (75°)18– (64–)29 (84) | 28° (82°)22– (72–)34 (93) | 31° (88°)27– (81–)35 (95) | 31° (88°)26– (79–)36 (97) | 28° (82°)22– (72–)32 (90) | 23° (73°)17– (63–)27 (81) | 19° (66°)12– (54–)23 (73) | 15° (59°)9– (48–)19 (66) |
Ø night, range from coldest to warmest nightØ nightrange | 6° (43°)0– (32–)12 (54) | 7° (45°)0– (32–)12 (54) | 8° (46°)2– (36–)13 (55) | 11° (52°)5– (41–)15 (59) | 15° (59°)10– (50–)19 (66) | 19° (66°)14– (57–)23 (73) | 22° (72°)17– (63–)25 (77) | 22° (72°)18– (64–)25 (77) | 19° (66°)14– (57–)23 (73) | 15° (59°)8– (46–)19 (66) | 11° (52°)3– (37–)16 (61) | 7° (45°)1– (34–)13 (55) |
☀️Sunshine | 4h | 5h | 6h | 8h | 8h | 9h | 10h | 9h | 7h | 6h | 4h | 4h |
🌊Water Temp | 16° (61°) | 15° (59°) | 15° (59°) | 16° (61°) | 19° (66°) | 23° (73°) | 25° (77°) | 26° (79°) | 25° (77°) | 22° (72°) | 20° (68°) | 17° (63°) |
🌧Rain Days | 8d114mm (4.5") | 7d71mm (2.8") | 6d81mm (3.2") | 5d62mm (2.5") | 4d42mm (1.6") | 2d37mm (1.5") | 1d19mm (0.7") | 2d15mm (0.6") | 5d80mm (3.1") | 5d82mm (3.2") | 9d154mm (6.0") | 7d93mm (3.7") |
Best travel time current monthØ = average · small figures = range: coolest–warmest day / coldest–warmest nightClimate data 2005–2025 · Source: ERA5 + station data
Travel season — mid-range prices, good availability.
September is among the best months in Naples: only 5 rain days, 28°C (82°F) highs, and good sunshine make for ideal holiday conditions.
Daytime highs average 28°C (82°F), cooling to 19°C (66°F) at night (daily average: 23°C (73°F)). Peaks reach around 32°C (90°F), the coldest nights around 14°C (57°F). The sun shines an average of 7 hours per day; there are 5 rain days with 80 mm (3.1 in) total. Sea temperature is 25°C (77°F) — pleasantly warm for long swim sessions.
Pack light summer clothing, sunscreen, and swimwear — beach and water conditions in September are ideal.
Amalfi peak season: Positano and Ravello full of an international crowd, the ferry to Capri booked out daily. The Miracle of San Gennaro on 19 September is the emotional high point of the Neapolitan church year.
Events & Festivals
- Miracle of San Gennaro19 September
In Naples Cathedral, the purported blood of the city's patron saint liquefies — an event that draws tens of thousands of faithful into the old town. A unique spectacle somewhere between popular piety and Neapolitan civic pride.
Packing list for Naples in September
- T-shirts and shorts
- Swimwear and beach towel
- Sunscreen
- Sunglasses
- Small umbrella (occasional showers possible)
- Travel first-aid kit
Frequently Asked Questions
- Is September a good time to visit Naples?
- Yes — September is one of the best months to visit Naples (Climate Score: 70/100). Pleasant temperatures (28°C (82°F)), good sunshine (7 h/day), and few rain days (5) make it one of the most recommended months.
- How warm is it in Naples in September?
- In September, Naples sees daily highs of 28°C (82°F). Nights cool to 19°C (66°F), with a daily average of 23°C (73°F). Peaks reach around 32°C (90°F), the coldest nights around 14°C (57°F).
- How much rain falls in Naples in September?
- In September, Naples receives an average of 80 mm (3.1 in) of rain over 5 rain days. The rain falls on few days, but heavily.
- How many sunshine hours does Naples get in September?
- Naples averages 7 sunshine hours per day in September — close to the annual average.
- How warm is the water in Naples in September?
- Water temperature in Naples in September averages 25°C (77°F) — pleasantly warm for swim sessions.
