September falls within Cancun’s hurricane season and the latter part of its summer wet season. Visitors can expect hot and humid conditions with average high temperatures around 88F (31C). Rainfall is frequent, often occurring in short, heavy bursts, typically in the afternoons or evenings, with an average of around 5-7 inches for the month. Ocean temperatures remain warm, averaging around 84F (29C).
Understanding Cancun’s climate during September is crucial for travelers planning a visit. This awareness allows for proper packing, including rain gear and light clothing, and informs activity planning. While the rain might disrupt outdoor plans occasionally, it also offers a respite from the heat and humidity. Historically, September has seen fluctuating weather patterns, including some years with more significant hurricane activity than others. Monitoring weather forecasts closely before and during a trip is essential.