Weather in Naples in September
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Compare car hire prices → Affiliate link — we earn a commission at no extra cost to youSeptember in Naples is warm, with average highs of 27.5°C and lows of 18.7°C. It is fairly wet (8 rainy days on average), with roughly 10.8 hours of sunshine a day. It is one of the best months of the year to visit. For the complete picture, see the best time to visit Naples — every month compared. Once you know when to go, find your Naples packing list at 247PackingList.
Get ready for Naples in September
Search flights to Naples
Compare 100+ airlines for September — one search, best price.
Search Flights →Travel clothing layers
Pack layers — temperatures can vary significantly between day and night.
Check Price →What to pack for Naples in September
- Light layers
- Sunscreen
- T-shirts and light trousers or shorts
- Compact travel umbrella
- Waterproof jacket
- Quick-dry clothing
Compare all months in Naples
| Month | High | Rain | Rating |
|---|---|---|---|
| January | 12.8°C | 97.9mm | 10/10 |
| February | 14.1°C | 59.5mm | 10/10 |
| March | 15.0°C | 70.3mm | 10/10 |
| April | 17.2°C | 81.8mm | 10/10 |
| May | 22.2°C | 80.7mm | 10/10 |
| June | 27.1°C | 60.3mm | 10/10 |
| July | 30.7°C | 11.8mm | 10/10 |
| August | 30.5°C | 34.4mm | 10/10 |
| September | 27.5°C | 121.8mm | 9/10 |
| October | 22.5°C | 82.9mm | 10/10 |
| November | 18.1°C | 229.1mm | 8/10 |
| December | 14.8°C | 149.5mm | 9/10 |
Full month-by-month guide: best time to visit Naples →
For facts about Italy — currency, language and dialling code — see our Italy country guide at 247CountryInfo. Travellers also find it useful to keep a Naples travel guide to hand. Check clothing sizes in Italy before you shop.
Frequently Asked Questions
Is September a good time to visit Naples?
September rates 9/10 for visiting Naples — excellent time to visit. Expect average highs of 27.5°C, 121.8mm of rain across the month and about 10.8 hours of daily sunshine.
What is the temperature in Naples in September?
In September, Naples has average highs of 27.5°C (81.5°F) and average lows of 18.7°C (65.7°F).
Does it rain in Naples in September?
Some rain is likely. Naples averages 121.8mm across about 8 rainy days in September, so a light waterproof layer is worth packing.
What should I wear in Naples in September?
For Naples in September (27.5°C highs / 18.7°C lows), pack light layers plus sunscreen, t-shirts and light trousers or shorts, compact travel umbrella.
More essentials for Naples in September
Packing cubes
Keep the bag organised whatever the weather — compression cubes for every size.
Check Price →Travel first aid kit
Compact TSA-friendly kit for peace of mind wherever you travel.
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Climate data sourced from Open-Meteo (open source, open data licence). Monthly averages calculated from 2020–2023 historical data. Weather can be unpredictable — always check a live forecast before travelling.