September weather in Monterrey, Mexico
Averages from 150 days in September across 2020–2024.
Typical conditions
| Average high | 30.7°C |
|---|---|
| Average low | 21.4°C |
| Average mean | 25.7°C |
| Total precipitation | 544.7 mm |
| Rainy days | 81 |
| Average precipitation hours | 4.2 h |
| Average max wind speed | 14.4 km/h |
| Average sunshine | 10.7 h/day |
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