Naples weather in September
Naples in September averages 22°C (71°F), 78 mm of rain and 7.7 hours of sun a day.
Of the twelve months in Naples, September is the fourth warmest, the sixth wettest and the fifth sunniest.

- Average temp
- 22°C (71°F)
16–28°C · 60–82°F
- Rainfall
- 78 mm
Showers likely
- Sunshine
- 7.7 h
hours per day
What is Naples like in September?
Daytime
Days are warm, typically in the mid-20s°C or above.
Rain
Some rain is likely; pack for showers.
Evening
Evenings are cooler. A layer helps after sunset.
What should I pack for Naples in September?
A light rain jacket
About 78 mm falls this month — showers rather than washouts.
A layer for the evening
The day swings about 12°C between its low and its high.
September compared with August and October
September in Naples is 3.4°C cooler than August and 59 mm wetter than it, which averages 25°C (77°F).
September in Naples is 3.9°C warmer than October and 14 mm drier than it, which averages 18°C (64°F).
Daylight in Naples in September
On 15 September the sun is up for 12 hours 28 minutes in Naples, rising about 06:43 and setting about 19:11 local time.
September ends 1 hour 18 minutes shorter than it begins, so the last week of the month is a different length of day from the first.
That is 2 hours 38 minutes short of June, the longest-lit month here.
Where to stay in Naples
Dates are a starting point for September.

Travel guides for Naples
What to read before you book.
Naples weather by month
TemperatureRainfall
How September compares with the rest of the year
September is highlighted. Every other month links to its own page.
| Month | Average | Rainfall |
|---|---|---|
| January | 8°C / 47°F | 89 mm |
| February | 8°C / 47°F | 69 mm |
| March | 11°C / 51°F | 82 mm |
| April | 13°C / 56°F | 73 mm |
| May | 18°C / 64°F | 54 mm |
| June | 22°C / 72°F | 29 mm |
| July | 24°C / 76°F | 17 mm |
| August | 25°C / 77°F | 18 mm |
| September | 22°C / 71°F | 78 mm |
| October | 18°C / 64°F | 92 mm |
| November | 13°C / 56°F | 159 mm |
| December | 9°C / 49°F | 108 mm |
Similar weather in September
Other destinations whose September averages sit close to this one.
Check another month
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FAQs about Naples in September
September climate averages for Naples, 1991–2020.
Naples averages 22°C (71°F) in September, ranging from about 16°C (60°F) at night to 28°C (82°F) in the afternoon. That is a 1991–2020 average, so an individual week can run either side of it.
Some. About 78 mm falls across September, enough to need a light jacket but not enough to reshape a trip.
Yes. September averages 22°C (71°F) against 18°C (64°F) in October — 3.9°C warmer.
September is 3.4°C cooler than August, and 59 mm wetter.
Yes. September falls inside the most comfortable stretch of the year here, May to October, on temperature and rainfall together.
About 7.7 hours of sun a day on the 1991–2020 average.
This page does not show today's weather. It is a 1991–2020 climate normal from Meteostat — a long-run average of what September is usually like, which is what you want when booking months ahead. For today or the coming week, check a live forecast.
About 12 hours 28 minutes of daylight in mid-September, against 15 hours 6 minutes in June and 9 hours 16 minutes in December.
On 15 September, sunrise is about 06:43 and sunset about 19:11 local time. Both shift across the month — the month ends 1 hour 18 minutes shorter than it starts.




