Manaus Weather in September

In Manaus, September brings very high daytime temperatures around 34°C (93°F), with nights cooling to 25°C (77°F). Expect quite a bit of rainfall this month.

Rainfall in Manaus in September

Expect around 12 days of rain based on historical data, with 136 mm (5.4 in) average. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.

Temperature in Manaus in September

Daytime temperatures in Manaus reach 34°C (93°F) in September, dropping to 25°C (77°F) at night. Sunshine and humidity can make it feel even warmer than the raw temperature suggests. With lows around 25°C (77°F), the nights are warm enough that a sheet is usually all you need for bedding.

Sunshine in Manaus in September

The area enjoys a moderate level of sunlight, with around 186 hours. It's a good balance between sunny and cloudy days.

Wind Speed in Manaus in September

Wind speeds average 1 m/s (2 knots) during September. At this speed, you'll experience mostly light air movement that's just barely noticeable. As an average, some days will be completely calm while others have gentle breezes you can feel on your skin.

September in Manaus can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.