Weather in Puerto Vallarta in September

In September, Puerto Vallarta experiences warm and humid conditions characteristic of late summer. The temperature hovers in a range that remains comfortably warm, albeit with increased chances of rain. Travellers can anticipate a mix of weather patterns suitable for both beachside relaxation and jungle exploration.

September Climate Overview

• Average Temperature: 25°C – 33°C
• Rainfall: 350mm
• Sunshine Hours: 7 hours per day
• Sea Temperature: 30°C
• Humidity: High, often above 80%
• Wind Speed: Light to moderate, averaging 10 km/h

What to Expect in September

Daytime Conditions

Daytime in Puerto Vallarta during September tends to be warm to hot, with temperatures peaking around mid-afternoon. The sun can be strong, so sun protection is necessary. Humidity is high, which can make conditions feel warmer than they are.

Rainfall Patterns

September is one of the wettest months in Puerto Vallarta, featuring frequent afternoon showers and sometimes tropical downpours. These rains are typically intense but brief, offering clear skies shortly after. It is advisable to have flexible plans or rain cover, especially during hikes or outdoor excursions.

Evening Conditions

Evenings provide a respite from the heat as temperatures cool slightly. Breezes from the Pacific can offer comfort amidst high humidity levels, making it pleasant to indulge in evening strolls or outdoor dining.

Best Activities in Puerto Vallarta in September

• Outdoor Activities: Exploring the lush jungles and mountains is ideal during morning hours. Sightseeing and visiting local markets are also pleasant activities.
• Seasonal Highlights: The end of the rainy season brings vibrant blooms and increased greenness of the landscape, perfect for nature photography.
• Water-based or Nature-based Activities: Due to the warm sea temperatures, water activities such as swimming, snorkelling, and kayaking are favourable.

What to Pack for September

• Light, breathable clothing for daytime and a light jacket or long-sleeve shirt for cooler evenings
• Sun protection including a wide-brimmed hat, sunscreen, and sunglasses, as well as an umbrella or raincoat
• Comfortable footwear suitable for both walking in the city and hiking in nearby natural areas
• Reusable water bottle to stay hydrated throughout the day