September 13 is generally a great time to visit Naples. While there is a slight chance of rain (18%), showers are usually brief. Expect comfortable 27°C weather. Naples is currently in its most popular travel window, meaning vibrant crowds and premium pricing.
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Essential Travel Info for Naples
Currency
EUR
€ Euro
Language
Italian
+1 more
Driving
Right side
Connect
As of Sept 2021, Naples has 4G from Ilia...
Safety
High Safety
GPI: 1.643
Naples Weather Forecast for September 13
"Warm & Sunny. Expect average highs of 26.6°C. 18% chance of rain."
What to Wear in Naples in September
Based on historical data for September 13, Naples typically experiences temperatures between 18.6°C and 26.6°C. We recommend packing t-shirt, light clothing to stay comfortable. Trends suggest it will stay mostly dry (18% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Naples
Smart Suitcase
- T-Shirt
- Light Clothing
Average High
26.6°C
Daytime Peak
Average Low
18.6°C
Nighttime Low
Feels Like
27.6°C
☀️ Minor difference
Rain Chance
18%
Avg 1.5mm if it rains
Cloud Cover
37%
Overcast
Pressure
1015 hPa
Medium volatility
Naples Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 89% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 30 recommended
05:00 - 10:00
16:00 - 18:00
Type I-II
🔴 24 min to burn
Type III-IV
🟡 36 min to burn
Type V-VI
🟢 60 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
21.1°C
Humid/Sticky
Heat Stress
Low
No heat warning
🙂 Best outdoor time:
Morning hours (before 11 AM)
Marine Conditions
Marine Life
No special warnings. Enjoy the swim!
Swim Index
✅ Excellent Swimming Conditions
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in Italy
Flight Traffic
High
97/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~144
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Naples
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
05:42
☀️ Noon
12:00
🌇 Sunset
18:18
⏱️ Daylight
12h 35m
Wind Speed
14.3 km/h
Gentle breeze
Sunshine
10.9 hrs
Direct Sun (Cloud-free)
Humidity
72%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Naples
Smart Flight Estimator
Airport-to-Airport Logistics
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Travel Health & Safety in Naples
Travel Comfort Index
Real-time tourism conditions
Weather Quality
☀️ Excellent
Tourist Crowds
🟡 Busy
Price Level
💰💰💰 Expensive
Health & Wellbeing
Meteo-Health Forecast
Moderate fluctuations. Some sensitivity possible.
Weather unlikely to affect joint pain.
Moderate fish activity expected.
Air quality is acceptable. Sensitive individuals should limit prolonged outdoor exertion.
Regional Safety Profile
Seismic Activity
Moderate seismic activity. Occasional tremors possible.
Volcanic Activity
Nearest: Mount Vesuvius
13.8km away
Travel Alert: This region has elevated natural risks. We recommend registering with your embassy and keeping emergency numbers handy.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Naples on September 13 averages 26.6°C with a 18% precipitation probability. Wedding/Outdoor Event Score: 99/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Naples Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Compare Other Cities
Same date (September 13) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Naples Worth Visiting on September 13?
Planning a trip to Naples on September 13? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year typically offers vibrant summer conditions averaging 26.6°C with a 18% historical precipitation risk.
✈️ Travel Logistics: Approximately 144 landing slots available daily during this period, indicating manageable crowd levels.
💉 Health Advisory: 7 vaccinations are recommended for Italy, including COVID-19.
🌊 Coastal Conditions: Water temperature averages 25.9°C (tropical bath). Wave conditions are generally fun waves with heights around 0.71m.
📊 Historical Extremes: The hottest September 13 recorded in the last 30 years saw temperatures hit 34.2°C in 2020, while the coldest dropped to 14.5°C in 2024.