September 21 is generally a great time to visit Paraty. While there is a slight chance of rain (34%), showers are usually brief. Expect comfortable 26°C weather. Paraty is seeing high visitor numbers, so iconic spots may be busier than usual.
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Essential Travel Info for Paraty
Currency
BRL
R$ Brazilian real
Language
Portuguese
Driving
Right side
Connect
There are plenty of internet cafes just ...
Safety
Moderate Safety
GPI: 2.465
Paraty Weather Forecast for September 21
"Warm & Sunny. Expect average highs of 25.6°C. 34% chance of rain."
What to Wear in Paraty in September
Based on historical data for September 21, Paraty typically experiences temperatures between 19°C and 25.6°C. We recommend packing t-shirt, light clothing, umbrella to stay comfortable. With a 34% chance of rain, keeping a raincoat or umbrella handy is a smart move.
Complete Packing Guide
Weekly breakdown & essential items for Paraty
Smart Suitcase
- T-Shirt
- Light Clothing
- Umbrella
Average High
25.6°C
Daytime Peak
Average Low
19°C
Nighttime Low
Feels Like
26.8°C
☀️ Minor difference
Rain Chance
34%
Avg 4mm if it rains
Cloud Cover
63%
Light drizzle
Pressure
1016.5 hPa
Low volatility
Paraty Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
~ Weather is generally predictable, but pack for minor variations. A light backup layer is recommended.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 30 recommended
05:00 - 09:30
16:00 - 17:00
Type I-II
🔴 26 min to burn
Type III-IV
🟡 39 min to burn
Type V-VI
🟢 65 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
22.9°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
⚠️ Mixed Conditions
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in Brazil
Flight Traffic
Busy
79/100 pressure index
Health Advisory
Required
2 vaccines • View Details →
Landing Slots
~85
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Paraty
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
05:50
☀️ Noon
11:53
🌇 Sunset
17:55
⏱️ Daylight
12h 4m
Wind Speed
11.5 km/h
Light breeze
Sunshine
9.1 hrs
Direct Sun (Cloud-free)
Humidity
85%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Paraty
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 Paraty
Travel Comfort Index
Real-time tourism conditions
Weather Quality
⛅ Good
Tourist Crowds
🟡 Busy
Price Level
💰💰💰 Expensive
Health & Wellbeing
Meteo-Health Forecast
Stable conditions. Low risk of headaches.
Weather unlikely to affect joint pain.
Moderate fish activity expected.
Air quality is excellent. Perfect for outdoor activities.
Regional Safety Profile
Seismic Activity
Zero seismic activity detected in 30 years.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Paraty on September 21 averages 25.6°C with a 34% precipitation probability. Wedding/Outdoor Event Score: 88/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Paraty Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
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📍 Is Paraty Worth Visiting on September 21?
Planning a trip to Paraty on September 21? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year typically offers vibrant summer conditions averaging 25.6°C with a 34% historical precipitation risk.
✈️ Travel Logistics: Approximately 85 landing slots available daily during this period, indicating manageable crowd levels.
💉 Health Advisory: 9 vaccinations are recommended for Brazil, including COVID-19.
🌊 Coastal Conditions: Water temperature averages 24.7°C (swimming pool). Wave conditions are generally surfers only with heights around 1.51m.
📊 Historical Extremes: The hottest September 21 recorded in the last 30 years saw temperatures hit 34.5°C in 2025, while the coldest dropped to 17°C in 2016.