Last updated: March 2, 2024
The weather in Manaus, Brazil, during September is characterized by an average temperature of 28°C (83°F). Highs can soar to 35°C (96°F), while lows may dip to 23°C (73°F). Typically, the humidity level in Manaus throughout September hovers around 52%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In September, Manaus averages 116 mm (4.6 inches) of rainfall, typically over the course of 17 rainy days. The month enjoys an average of 12 hours 4 minutes of daylight, with the sun shining for approximately 10 hours 19 minutes each day. Additionally, there is a 33% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In September, the UV Index in Manaus reaches a maximum of 13, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 10 minutes.
| 07:00 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UVI | 1 | 3 | 6 | 10 | 12 | 13 | 11 | 8 | 5 | 2 | 1 | 0 | 0 |
| Exposure | Low | Moderate | High | VeryHigh | Extreme | VeryHigh | Moderate | Low | |||||
| Time to burn | 45 min | 30 min | 25 min | 15 min | 10 min | 15 min | 30 min | 45 min | |||||