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Mariana
Mariana · Minas Gerais Excellent time to visit Spring Shoulder season

Mariana in September

Short answer

In September, Mariana averages highs of 28 °C (82 °F) and lows of 17 °C (63 °F), with about 49 mm of rain spread over roughly 4 days. September is a dry month, good for outdoor plans. Crowds tend to be moderate this month.

Climate · INMET (updated 2026)
Where to stayCompare hotels and rates in Mariana on Booking.comSee hotels →
Temperature
28 / 17 °C
high / low
Rain
49 mm
4 days
Daylight
11h59
sunset at 17:48
Crowds
Moderate
1 public holiday

What to expect in Mariana in September

Myllena Vieira, editor at Visite
Editor's tip

September is spring in Mariana. In Brazil the seasons are the reverse of those in the Northern Hemisphere. Temperatures are pleasant, with highs of 28 °C (82 °F) and nights that still call for a light jacket. Crowds sit somewhere in the middle, with peaks on public holidays. Outside those dates, you can enjoy the place at an easy pace and spend less. It also rains very little: this is one of the driest months of the year, good for anyone who wants an outdoor itinerary.

Myllena Vieira · Editor at Visite
Crowds
Crowd level: moderate

Moderate crowds, with peaks on public holidays. Outside those dates, you can enjoy the place at a calmer pace.

Prices
Rates: moderate

Moderate prices outside public holidays, which push rates and crowds up.

Where to stay

Hotels in Mariana

In September, demand in Mariana is moderate: most hotels have room, but public holidays fill them up. Compare rates and book a few weeks ahead.

See all hotels in Mariana

Rates change with the dates: confirm the price on Booking.com.

What happens in September

No major fixed festivals in September, but public holidays (Independence Day) bring more people to the destination.

Public holidays in September: Independence Day (07/09). Expect more people and higher prices around these dates.

What to pack in September

Light jacket for the evening · nights of 17 °C (63 °F) Light clothing for the day · highs of 28 °C (82 °F) Sunscreen and sunglasses · strong sun on the tours Comfortable walking shoes · you will be on foot much of the day
Looking for better weather?

Where the weather is good in September

These destinations have the best weather comfort for September, scored with the same calculation of rain, heat and humidity. Tap to see what the month is like in each one.

Diamantina 86
Diamantina
Minas Gerais · see September →
Belo Horizonte 79
Belo Horizonte
Minas Gerais · see September →
Brumadinho 79
Brumadinho
Minas Gerais · see September →
Ouro Preto 79
Ouro Preto
Minas Gerais · see September →
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Torn between Mariana and another destination?

See Mariana next to the destinations that usually compete for the same trip: month-by-month weather, driving cost, ideal length of stay and travel style, side by side.

Mariana or Diamantina? Mariana or Ouro Preto? Mariana or São João del-Rei?
see all comparisons →

Questions about Mariana in September

What is the weather like in Mariana in September?
In September, Mariana averages highs of 28 °C (82 °F) and lows of 17 °C (63 °F), with about 49 mm of rain spread over roughly 4 days. September is a dry month, good for outdoor plans. Crowds tend to be moderate this month.
Does it rain a lot in Mariana in September?
In September, Mariana gets about 49 mm of rain spread over around 4 rainy days, one of the driest months. It is a dry month, with little chance of rain spoiling your plans.
Is September high season in Mariana?
Crowds in September tend to be moderate. Moderate prices outside public holidays, which push rates and crowds up.
What is happening in Mariana in September?
No major fixed festivals in September, but public holidays (Independence Day) bring more people to the destination.
Does it usually rain all day in Mariana in September?
INMET's climate normals record the number of rainy days and the total millimeters, not the hours of each day, so they do not say how long the rain lasts. What they show for Mariana in September: 4 rainy days in a month of 30 days (about 13% of the days) and 49 mm over the month, which works out to an average of about 12 mm per rainy day. Compared with the rest of the year, September is one of the driest months at the destination. It is a dry month, with little chance of rain spoiling your plans.
What is the temperature in Mariana in September, and what should you pack?
According to INMET's climate normals, the average high in Mariana in September is 28 °C and the average low is 17 °C, with air humidity of around 55%. Compared with the rest of the year, the temperature in September is typical for the destination. For your suitcase, here is what those numbers call for: light jacket for the evening; light clothing for the day; sunscreen and sunglasses.
Is Mariana worth visiting in September?
Excellent time to visit. On our weather comfort index, which weighs rain, heat and humidity from INMET's climate normals, September scores 79 out of 100 and ranks No. 5 among the 12 months. The most comfortable month is June (97) and the least comfortable is January (46). As for crowds, in September they tend to be moderate.
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