Alter do Chao Weather in September

Alter do Chao in September sees very high daytime temperatures of 33°C (91°F) and nighttime lows of 27°C (81°F). With just 86 mm (3.4 in) of rainfall on average, it's the driest month of the year.

Rainfall in Alter do Chao in September

Known for its least rainfall, this month is the best of the year for people who like to spend time outdoors. Based on our climate data of the past 30 years, about 8 days of rain are anticipated, with 86 mm (3.4 in) on average. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Alter do Chao in September

Expect highs of 33°C (91°F) in Alter do Chao in September, with nights dropping to around 27°C (81°F). Sunshine and humidity can make it feel even warmer than the raw temperature suggests. With overnight lows of 27°C (81°F), nights stay very warm. Air conditioning makes a real difference if you're sensitive to heat. A cold shower before bed can also help you get to sleep more comfortably.

Sunshine in Alter do Chao in September

Expect a lot of sunshine this month, with about 240 hours of sun. These sunny conditions add to the overall experience.

If you prefer enjoying temperate temperatures and rain-free days, August typically offers the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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For a detailed overview over the year and the best time to visit Brazil, check out our Alter do Chao's climate page.

Alter do Chao Temperature in September

Min Temperature 27°C (81°F)  

Max Temperature 33°C (91°F)  

Chance of Rain 26%  

Precipitation 86 mm (3.4 in)  

Rainy days 8 days  

Humidity 87% *  

Sunshine 240 hours *  

Percentage Sunshine *  

* Data from: Belterra, Brazil (12 KM, 8 Miles).

What to Wear in Alter do Chao in September

Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). High rain levels are expected, so pack waterproof gear and an umbrella or poncho. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Alter do Chao in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

9/10

Cycling

7/10

Walking

7/10

Camping

7/10

Outdoor sports

7/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Brazil, check out our Alter do Chao's climate page.

More climate data for Alter do Chao

Temperature Rainfall Sunshine Humidity

See the full Alter do Chao climate overview or explore weather in Brazil.