Weather in Guaianases in September

Guaianases, Brazil averages a high of 24.7°C (76.5°F) and low of 14.6°C (58.3°F) in September, with 9 rain days and 8.7 hours of daily sunshine. Travel score: 79.4/100 (Good). The best time to visit Guaianases is August.

High
25°C76°F
Low
15°C58°F
🌧️
9
rain days
☀️
8.7
hrs/day sunshine
💧
78%
humidity
79Good

September in Guaianases is warm and occasionally wet — good for most activities.

What are the average temperatures in Guaianases?

JanFebMarAprMayJunJulAugSep25°15°OctNovDec

How much does it rain in Guaianases in September?

Guaianases receives an average of 78.1mm of rainfall across 9 rainy days in September. The annual total is 1297.4mm.

JanFebMarAprMayJunJulAugSep9dOctNovDec

What should I pack for Guaianases in September?

Essentials

👟
Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 25°C
🧴
Sunscreen SPF 30+
9 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun

Recommended

🧥
Light rain jacket
Some rainy days expected (9 days)
Umbrella
Be prepared for occasional showers

Traveling to Brazil in September?

Don't let a public holiday surprise you — restaurants, shops, and attractions may be closed.

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Data based on 1994–2024 averages · Last updated: 2024-12-31