Naples weather in September
September is one of the best months to visit Naples: highs of 26°C (79°F) and about 68 mm (2.7 in) of rain on average. Nights average 16°C (61°F) and cloud cover 38% (NASA POWER, 2001–2025 averages). It is the 6th driest month of the year and the 4th warmest. Compared with August, it is cooler and wetter; October brings highs of 22°C (71°F) and 76 mm (3.0 in) of rain.
Is September a good time to visit Naples?
best month Weather score 81/100.
Yes. September is one of the best months for weather in Naples.
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Does it rain a lot in Naples in September?
Some rain is normal: about 68 mm (2.7 in) falls in an average September. It is the 6th driest month of the year.
How warm is Naples in September?
Days average 26°C (79°F) and nights 16°C (61°F).
Naples weather by month
| Month | High | Low | Rain | Cloud | Weather |
|---|---|---|---|---|---|
| January | 11°C (51°F) | 4°C (39°F) | 88 mm | 61% | least pleasant |
| February | 11°C (52°F) | 4°C (39°F) | 68 mm | 60% | least pleasant |
| March | 14°C (57°F) | 6°C (43°F) | 70 mm | 57% | fair |
| April | 18°C (64°F) | 9°C (48°F) | 56 mm | 52% | fair |
| May | 22°C (72°F) | 13°C (55°F) | 47 mm | 45% | best |
| June | 28°C (82°F) | 17°C (63°F) | 33 mm | 32% | best |
| July | 31°C (88°F) | 20°C (68°F) | 25 mm | 19% | best |
| August | 31°C (88°F) | 20°C (68°F) | 24 mm | 21% | best |
| September | 26°C (79°F) | 16°C (61°F) | 68 mm | 38% | best |
| October | 22°C (71°F) | 13°C (55°F) | 76 mm | 44% | best |
| November | 16°C (61°F) | 9°C (48°F) | 116 mm | 56% | least pleasant |
| December | 12°C (53°F) | 5°C (41°F) | 84 mm | 58% | least pleasant |
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis). Page updated . How we rate months
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