Itaboraí Weather in September

September is one of the perfect months to visit Itaboraí, with daytime temperatures of 28°C (82°F) and lows of 19°C (66°F) at night. Do note that quite a bit of rainfall is typical, averaging around 91 mm (3.6 in).

Rainfall in Itaboraí in September

You can typically expect 12 days of rain this month, averaging around 91 mm (3.6 in). The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Itaboraí in September

Weather in Itaboraí is at its perfect in September. Highs reach 28°C (82°F), while nights settle around 19°C (66°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. At 19°C (66°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

Sunshine in Itaboraí in September

You can expect a moderate amount of sunlight, with approximately 144 hours. This means a pleasant mix of sun and overcast.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. May, June, July, August and September typically offer the best weather for Itaboraí.

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

Itaboraí Temperature in September

Min Temperature 19°C (66°F)  

Max Temperature 28°C (82°F)  

Chance of Rain 38%  

Precipitation 91 mm (3.6 in)  

Rainy days 12 days  

Humidity 79% *  

Sunshine 144 hours *  

Percentage Sunshine *  

* Data from: Rio de Janeiro, Brazil (36 KM, 22 Miles).

What to Wear in Itaboraí 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. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Itaboraí in September

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

Swimming

7/10

Cycling

7/10

Walking

7/10

Camping

8/10

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 Itaboraí's climate page.

More climate data for Itaboraí

Temperature Rainfall Sunshine Humidity

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