September 23 is generally a great time to visit Rome. While there is a slight chance of rain (32%), showers are usually brief. Expect comfortable 24°C weather. As it's peak season for Rome, we recommend booking your stay well in advance to secure the best rates.
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Essential Travel Info for Rome
Currency
EUR
€ Euro
Language
Italian
+1 more
Driving
Right side
Connect
As of Sept 2021, Rome has 5G from all It...
Safety
High Safety
GPI: 1.643
Rome Weather Forecast for September 23
"Mild & Comfortable. Expect average highs of 24.4°C. 32% chance of rain."
What to Wear in Rome in September
Based on historical data for September 23, Rome typically experiences temperatures between 15.5°C and 24.4°C. We recommend packing t-shirt, light clothing, umbrella to stay comfortable. With a 32% chance of rain, keeping a raincoat or umbrella handy is a smart move.
Complete Packing Guide
Weekly breakdown & essential items for Rome
Smart Suitcase
- T-Shirt
- Light Clothing
- Umbrella
Average High
24.4°C
Daytime Peak
Average Low
15.5°C
Nighttime Low
Feels Like
25.1°C
☀️ Feels accurate
Rain Chance
32%
Avg 1.9mm if it rains
Cloud Cover
46%
Overcast
Pressure
1015.1 hPa
Medium volatility
Rome Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 90% 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
🔴 27 min to burn
Type III-IV
🟡 41 min to burn
Type V-VI
🟢 68 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
19.7°C
Noticeable
Heat Stress
Low
No heat warning
😊 Best outdoor time:
Any time during daylight hours
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
~529
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Rome
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
05:59
☀️ Noon
12:03
🌇 Sunset
18:08
⏱️ Daylight
12h 8m
Wind Speed
13 km/h
Gentle breeze
Sunshine
9.7 hrs
Direct Sun (Cloud-free)
Humidity
75%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Rome
Smart Flight Estimator
Airport-to-Airport Logistics
unlock smart flight estimates
Add your home location in settings to see airport details.
Travel Health & Safety in Rome
Travel Comfort Index
Real-time tourism conditions
Weather Quality
⛅ Good
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.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Rome on September 23 averages 24.4°C with a 32% precipitation probability. Wedding/Outdoor Event Score: 94/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Rome Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
September 27
24°C • 18% rain
Score
99
September 28
24°C • 17% rain
Score
99
September 29
23.7°C • 18% rain
Score
99
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (September 23) in other destinations
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Portugal
Paris
France
Prague
Czech Republic
Barcelona
Spain
London
United Kingdom
🌍 Explore the same date in different destinations around the world
📍 Is Rome Worth Visiting on September 23?
Planning a trip to Rome on September 23? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year is characterized by pleasant mild weather averaging 24.4°C with a 32% historical precipitation risk.
✈️ Travel Logistics: Approximately 529 landing slots available daily during this period, indicating peak tourist activity.
💉 Health Advisory: 7 vaccinations are recommended for Italy, including COVID-19.
📊 Historical Extremes: The hottest September 23 recorded in the last 30 years saw temperatures hit 28.8°C in 2018, while the coldest dropped to 9.8°C in 2022.