Weather in Castanhal in September
Castanhal, Brazil averages a high of 32.4°C (90.3°F) and low of 23.4°C (74.1°F) in September, with 9 rain days and 11.7 hours of daily sunshine. Travel score: 84.1/100 (Excellent). The best time to visit Castanhal is October.
High
32°C90°F
Low
23°C74°F
🌧️
9
rain days
☀️
11.7
hrs/day sunshine
💧
74%
humidity
84— Excellent
September in Castanhal is hot and occasionally wet — excellent conditions for exploring.
What are the average temperatures in Castanhal?
How much does it rain in Castanhal in September?
Castanhal receives an average of 38.2mm of rainfall across 9 rainy days in September. The annual total is 2277.2mm.
What should I pack for Castanhal in September?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light, breathable clothing
Hot weather with highs around 32°C
🧢
Sun hat or cap
Protection from intense sun
🧴
Sunscreen SPF 30+
12 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
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