Weather at Mexico Beaches in September
This page pulls together weather information for September at the most popular beaches in Mexico.
You can compare this month's averages for temperature, total rainfall and ocean temperature at vacation spots along the Pacific Ocean and the Caribbean Sea.
The temperatures here are in degrees Fahrenheit. You can also view the temperatures in degrees Celsius.
September is the rainiest month of the year along the Pacific Ocean in Mexico. At the wettest spots, Puerto Vallarta and Zihuatanejo, it on average rains nearly 15 inches this month.
You can usually find dry weather in the desert climate of Cabo San Lucas. But early September is a peak time for tropical storms on the North Pacific and in some years the storms do reach land on the Baja Peninsula.
The Atlantic hurricane season also peaks in early to mid September. Still, the chance of actually encountering a hurricane in Mexico remains quite low. During a week's holiday in September at Cancun or the Mayan Riviera, the odds are 1 in 100 that you'll see a hurricane.
Temperature and Rainfall
| Temperature | Place | Total Rainfall | ||
|---|---|---|---|---|
| High °F | Low °F | Inches | Days | |
| Pacific Beaches | ||||
| 91 | 74 | Cabo San Lucas | 3.3 | 3 |
| 88 | 77 | Mazatlan | 8.9 | 12 |
| 92 | 73 | Puerto Vallarta | 14.6 | 16 |
| 89 | 76 | Manzanillo | 10.7 | 16 |
| 88 | 73 | Ixtapa & Zihuatanejo | 14.7 | 15 |
| 89 | 77 | Acapulco | 11.8 | 14 |
| 90 | 70 | Huatulco | 12.6 | 14 |
| Caribbean Beaches | ||||
| 91 | 76 | Cancun | 8.8 | 14 |
| 89 | 74 | Cozumel | 9.5 | 15 |
Ocean Temperature
| Beach | °F |
|---|---|
| Pacific Beaches | |
| Cabo San Lucas | 83 |
| Mazatlan | 85 |
| Puerto Vallarta | 85 |
| Manzanillo | 85 |
| Zihuatanejo | 85 |
| Acapulco | 85 |
| Huatulco | 85 |
| Caribbean Beaches | |
| Cancun | 82 |
| Cozumel | 83 |
References
Comision Nacional Del Agua and World Meteorological Organization. World Weather Information Service - Mexico.
NOAA. National Weather Service. National Hurricane Center.
NOAA. Ocean Climate Laboratory. World Ocean Atlas 2009.