Month guide · Rio de Janeiro · Brazil

Rio de Janeiro in September

What September is really like in Rio de Janeiro: weather, crowds, prices, events and what to pack.

Updated 23 October 2026By the AMZBooking editorial team

Quick answer

September is one of the best months to visit Rio de Janeiro. Expect average highs of 25°C (77°F), lows of 19°C (66°F), about 7 rainy days and roughly 12 hours of daylight. Spring begins with warm days, clear mornings and moderate prices, a good time for sightseeing and hikes.

Average high / low: 25°C (77°F) / 19°C (66°F)
Rainy days: About 7
Daylight: About 12 hours
Sea temperature: 22°C (72°F)
Crowds: Quiet
Hotel prices: Low

Weather in September

September is the coolest month in Rio de Janeiro: days average 25°C (77°F) against a yearly average high of 27°C (81°F), and nights fall to about 19°C (66°F). Rain falls on roughly 7 of its 30 days. Compared with August (26°C (79°F)), September is about as warm; by October highs stay near 26°C (79°F).

Sunrise (15 September): About 05:49
Sunset (15 September): About 17:46
Daylight: About 12 hours
Sea: 22°C (72°F)

Summer (December–March). Hot and humid, often above 30°C, with afternoon storms, the busiest beaches and Carnival and New Year's Eve, when prices peak.

Crowds and prices

On a 1–5 scale, September rates 2 for crowds (the peak is January at 5) and 2 for hotel prices (highest in January). That makes September one of the better-value months to book.

Events in September

Rock in Rio — large music festival held in some years (usually September)

Dates move from year to year. Check the organiser’s site before booking travel around an event.

What to do in September

Mild, settled days suit walking, viewpoints and time outdoors.

Landmark · Corcovado

Christ the Redeemer

Take one of the first trains on a clear morning; cloud often settles over the summit later in the day, so look at the sky before you set off.

Time needed: 2–3 hours including the train
Cost: Mid-priced

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Views
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Photo spot

Landmark · Urca

Sugarloaf Mountain

Two cable cars lift you from Praia Vermelha in Urca first to Morro da Urca and then to the 396-metre summit of Sugarloaf, which rises straight out of the entrance to Guanabara Bay.

Time needed: 2–3 hours
Cost: Mid-priced

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After dark

Beach · Copacabana

Copacabana Beach

Walk the promenade early in the morning when locals jog and play footvolley, and leave valuables at your hotel.

Time needed: Half a day
Cost: Free

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Free
Kids
Outdoors
Photo spot

Beach · Ipanema

Ipanema Beach

Ipanema's beach is divided by numbered lifeguard posts, each with its own crowd: surfers near Arpoador, a young scene around Posto 9 and the rainbow flags of the LGBTQ+ stretch facing Rua Farme de Amoedo.

Time needed: Half a day
Cost: Free

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Free
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Couples
Photo spot

The sea averages 22°C (72°F) — warm enough to swim. Best beaches near Rio de Janeiro.

What to pack

For highs near 25°C, lows near 19°C and 7 wet days: light layers for the day and a light jacket for the evening; a packable rain jacket for showers; comfortable walking shoes.

Is September a good time to visit Rio de Janeiro?

One of the best months to visit Rio de Janeiro, with a notable event on the calendar. The other best months are April–June, August and October. Compare every month.

Rio de Janeiro in other months

Questions travellers ask

+Is September a good time to visit Rio de Janeiro?

It is one of the best months to visit Rio de Janeiro. Spring begins with warm days, clear mornings and moderate prices, a good time for sightseeing and hikes.

+How warm is Rio de Janeiro in September?

Average highs are around 25°C (77°F) and lows around 19°C (66°F).

+Does it rain a lot in Rio de Janeiro in September?

Expect rain on about 7 days of the month.