Puerto Vallarta weather in September [2026]

Month summary

Puerto Vallarta weather in September

✅ Good

🌡️ Temperature min / max

25°C – 30°C

🌧 Rainy days

81% of days

☀️ Sunshine

9.0h per day on average

🌊 🌊 Season

Autumn

⭐ ⭐ Weather score

7.0/10

📅 📅 Best month

April (9.5/10)

Quick decision

Should you visit Puerto Vallarta in September?

✅ Good

✅ Yes if: you're willing to accept showers in exchange for lower prices and fewer tourists.

❌ No if: you're planning 100% outdoor activities — rain is frequent.

🌧 Rain : ████████░░ 81%

🌡 Temperature : ████████░░ 30°C

☀️ Sunshine : ██████░░░░ 9.0h/d

Our take: September in Puerto Vallarta is hot and steamy—think 25–30°C with serious humidity—but if you love lush, tropical vibes and don't mind afternoon downpours, it's genuinely special. Rain hits about 81% of days (mostly quick bursts), which keeps crowds thin and prices low, perfect for budget travelers. You'll get solid sunshine between showers, so pack light layers and waterproof gear if you're the adventurous type.

By trip type

Puerto Vallarta in September by trip type

🏙️ 🏙️ City break / culture : ✅ Good
🚶 🚶 Outdoor activities : ⚠️ Possible
🏖️ Beach / swimming : ⚠️ Possible
💰 💰 Budget : ✅ Low season

Local context

What to expect in September

🎯 Water at 27°C and lively beaches — September is peak swimming season in Puerto Vallarta Autumn in Puerto Vallarta is often underrated: 30°C, golden light and declining crowds. An interesting window. With 81% of rainy days, always have indoor alternatives planned. Not the best window, but acceptable if dates are constrained. April (9.5/10) is significantly better if possible.

Browse by month

All months for Puerto Vallarta

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Annual table

Month-by-month comparison

Month	Min °C	Max °C	Rain %	Precip mm	Sun h/d	Score
☀️ January	18°C	26°C	4%	0.4	10.3h	8.9/10
☀️ February	17°C	26°C	6%	0.6	10.9h	8.9/10
☀️ March	17°C	26°C	2%	0.2	11.7h	9.2/10
☀️ April	18°C	27°C	0%	0.0	12.0h	9.5/10
☀️ May	20°C	29°C	4%	0.1	12.0h	9.2/10
🌤️ June	24°C	30°C	43%	4.2	11.0h	7.6/10
⛅ July	25°C	31°C	73%	6.3	10.1h	7.0/10
🌧️ August	25°C	30°C	85%	7.6	9.0h	7.0/10
🌧️ September	25°C	30°C	81%	8.4	9.0h	7.0/10
🌤️ October	24°C	30°C	54%	4.3	10.9h	7.4/10
☀️ November	22°C	29°C	8%	0.5	10.7h	8.9/10
☀️ December	19°C	27°C	6%	0.5	10.0h	8.9/10

Ideal Fair Challenging climate ◀ Current month · Source Open-Meteo · 10 years

📊 Data source Data based on 10 years of ERA5 records via Open-Meteo, with ECMWF seasonal adjustment. In September, Puerto Vallarta averages 30°C, 81% rainy days and 9.0h of sunshine per day. Overall weather score: 7.0/10. See methodology →

Comparison