Santarém Weather in September

Santarém in September sees very high daytime temperatures of 33°C (91°F) and nighttime lows of 26°C (79°F). With just 71 mm (2.8 in) of rainfall on average, it's the driest month of the year.

Rainfall in Santarém in September

You can expect the least amount of rain of the year this month, making it perfect for outdoor events and activities. On average, there are about 8 days with rain during this month, averaging 71 mm (2.8 in). Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Santarém in September

Daytime temperatures in Santarém reach 33°C (91°F) in September, dropping to 26°C (79°F) at night. Mornings and evenings are often more comfortable than the peak afternoon hours. Nights remain warm at around 26°C (79°F). For a more comfortable sleep, a cold shower before bed and a fan or air conditioning can make a big difference.

Sunshine in Santarém in September

Expect sunny days throughout the month, with an estimated 240 hours of sunshine. This makes it a pleasant time to visit Santarém.

For Santarém itself, August generally stands out with 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 Santarém's climate page.

Santarém Temperature in September

Min Temperature 26°C (79°F)  

Max Temperature 33°C (91°F)  

Chance of Rain 27%  

Precipitation 71 mm (2.8 in)  

Rainy days 8 days  

Humidity 87% *  

Sunshine 240 hours *  

Percentage Sunshine *  

* Data from: Belterra, Brazil (35 KM, 21 Miles).

What to Wear in Santarém in September

Hot weather in September means keeping cool is the priority. Loose-fitting clothes in natural fabrics work best. Pack plenty of shorts, tank tops, and breathable shirts. Don't forget a hat, swimwear, and comfortable sandals. Rain gear is recommended, you can expect wet weather on multiple days. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Santarém 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 Santarém's climate page.

More climate data for Santarém

Temperature Rainfall Sunshine Humidity

See the full Santarém climate overview or explore weather in Brazil.