Rio de Janeiro weather in September
Monthly temperatures, rain, humidity, what to wear and what to pack — 2024–2025 historical average
Rio de Janeiro September weather at a glance
In September, Rio de Janeiro averages 23°C, with typical highs of 27.3°C and lows of 19.7°C. The historical average is 7 wet days and 74% humidity.
Rio de Janeiro September temperature & humidity
Rio de Janeiro September rain & wet days
Pack a compact umbrella. Keep an indoor stop available between outdoor activities.
What to wear in Rio de Janeiro in September
Choose breathable summer clothes and pack sun protection.
- DaytimeBreathable short sleeves, hat and sunscreen · average high 27.3°C
- Morning & eveningLight layer for air-conditioned rooms · average low 19.7°C
- FootwearComfortable walking shoes; quick-dry footwear for rainy days.
Packing essentials
Coupang affiliate links · We earn a commission on purchases. Products are sold on the Korean Coupang store.
Rio de Janeiro September sunrise & sunset times
2026 September · Local time (America/Sao_Paulo)
| Date | Sunrise | Sunset | Daylight |
|---|---|---|---|
| 2026-09-01 | 06:03 | 17:43 | 11h 39m |
| 2026-09-15 | 05:49 | 17:47 | 11h 57m |
| 2026-09-30 | 05:34 | 17:51 | 12h 17m |
For sunset photos, arrive before the listed sunset time. Clouds, mountains and buildings can change when the sun becomes visible or disappears.
Calculated for the city coordinates with daylight saving applied. SunCalc · tz-lookup
Rio de Janeiro travel updates
Watch live CCTV
- Rio de Janeiro panoramaVisit Rio / Panomax · Updated images
Check the camera timestamp at the source.
Today’s weather and forecast
Check temperature, rain and wind in Windy.
Forecast · Windy. Monthly averages are in the Temperature section.
Rio de Janeiro news search
Search for recent news and check publication dates before you travel.
Rio de Janeiro city map
This map shows the city area, not a specific meeting point.
Rio de Janeiro travel essentials
Popular MyRealTrip products · city search, sorted by sales · Product names are in Korean.
Affiliate links · We may earn a commission from purchases. Updated 2026-10-18Explore with Klook
Klook.comAffiliate widget · We may earn a commission on bookings.
Rio de Janeiro hotel search · Trip.com
Search hotels by destination, dates and number of guests. The Trip.com widget is in Korean.
Affiliate widget · A qualifying booking may earn us a commission. Trip.com may use cookies in this search widget.
Best months to visit Rio de Janeiro
Bar height shows our simple weather-comfort score, not a safety rating; colour shows temperature.
September weather by year
Daily weather in 2025
Daily high and low temperatures; blue labels show precipitation
Frequently asked questions
What is Rio de Janeiro weather like in September?
In September, Rio de Janeiro averages 23°C, with typical highs of 27.3°C and lows of 19.7°C. The historical average is 7 wet days and 74% humidity. Our weather-comfort rating for this month is excellent.
Does it rain a lot in Rio de Janeiro in September?
There are about 7 wet days in September. A compact umbrella is still useful.
What should I wear in Rio de Janeiro in September?
Choose breathable summer clothes and pack sun protection.
What are the best months to visit Rio de Janeiro?
Recent weather data rates April, May, June, July among the more comfortable months.
Where can I check Rio de Janeiro weather in September in real time?
Check local webcams for the view right now and a local weather service for today’s forecast. Monthly temperatures here are historical averages.
What time are sunrise and sunset in Rio de Janeiro in September?
On 2026-09-15, calculated sunrise is 05:49 and sunset is 17:47 in local time (America/Sao_Paulo). Times vary by date and terrain.
Rio de Janeiro weather by month
More Americas destinations in September
Open-Meteo (CC BY 4.0) · 2024–2025 historical data, aggregated and rounded by this site. Not a forecast or long-term climate normal. Calculation method and limitations