Weather: Rio de Janeiro — September
The weather is near-perfect with ideal temperatures and minimal rain. Recommended month to visit.
🌟 Climate Overview
September is an excellent time to visit Rio de Janeiro. Hot conditions with temperatures reaching 29°C—stay hydrated and seek shade. As peak season, expect higher prices and more tourists. Sea temperature of 23°C is refreshing but swimmable.
Based on weather comfort, crowds, prices, and activity options
29°C
20°C
8days
11.9h
Feels like 32°C / 22°C — humidity makes it feel warmer
62mm
9.3h/day
75%
Muggy7.2
Very High13 km/h (gusts 32)
23°C 💧 Refreshing
Is September a good time to visit Rio de Janeiro?
The weather is near-perfect with ideal temperatures and minimal rain.
Now
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Air Quality
Travel Context
- CrowdsVery Busy
- Travel Costs Shoulder Rates
Daylight
05:51
17:47
Visiting Rio de Janeiro in September: Pros & Cons
Pros
- Abundant sunshine for beach and outdoor fun
- One of the best months to visit
Cons
- Peak season — expect crowds and higher prices
Things to Do in September
Events & Festivals
Recommended for This Weather
Rio de Janeiro Weather by Month
| Month | Avg High | Avg Low | Rain | Sunshine | Humidity | UV Index | Crowds | Condition |
|---|---|---|---|---|---|---|---|---|
| Jan | 32°C | 24°C | 20d (260mm) | 9.4h | 79% Muggy | 8.2 Very High | | Wet |
| Feb | 32°C | 24°C | 19d (235mm) | 9.8h | 79% Muggy | 8.2 Very High | | Wet |
| Mar | 32°C | 23°C | 16d (141mm) | 9.9h | 79% Muggy | 7.8 Very High | | Excellent |
| Apr | 29°C | 21°C | 12d (113mm) | 9.1h | 82% Very Muggy | 6.2 High | | Excellent |
| May | 28°C | 19°C | 8d (51mm) | 9h | 81% Very Humid | 5.6 High | | Excellent |
| Jun | 27°C | 18°C | 7d (32mm) | 8.7h | 80% Very Humid | 5 Moderate | | Good |
| Jul | 26°C | 17°C | 6d (32mm) | 8.7h | 79% Humid | 5.2 High | | Good |
| Aug | 27°C | 17°C | 8d (58mm) | 8.6h | 77% Humid | 6 High | | Good |
| Sep Current | 29°C | 20°C | 8d (62mm) | 9.3h | 75% Muggy | 7.2 Very High | | Excellent |
| Oct | 29°C | 21°C | 18d (155mm) | 8h | 79% Muggy | 6.8 High | | Excellent |
| Nov | 29°C | 21°C | 17d (164mm) | 9.4h | 79% Muggy | 8 Very High | | Wet |
| Dec | 31°C | 23°C | 22d (234mm) | 9.5h | 79% Muggy | 8 Very High | | Wet |
Rio de Janeiro
Christ the Redeemer and Sugarloaf cable car, Copacabana Beach, samba rhythms, and dramatic mountain landscapes.
View Full Destination Guide
What to Pack for September
Summer clothing like shorts, t-shirts, and sundresses will be comfortable. Bring a light cardigan for air-conditioned spaces. Pack a compact umbrella or light rain jacket for occasional showers. Don't forget a wide-brimmed hat and high-SPF sunscreen — the sun is strong.
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📋Essentials
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🧴Toiletries & Health
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Frequently Asked Questions
Is September a good time to visit Rio de Janeiro?
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Can you swim in Rio de Janeiro in September?
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More Rio de Janeiro Guides
Best Time to Visit
Coming soon
Things to Do
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Where to Stay
Best neighborhoods and hotel recommendations
Cost & Budget
Daily costs, money-saving tips, and budget breakdown
Itineraries
Coming soon
Overview
Complete travel guide for Rio de Janeiro: top things to do, itineraries, and typical costs.