Climate guide for Puerto Vallarta, Mexico

Puerto Vallarta in September

Weather, crowds & best time to visit

How to read the score (0–10)
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September · Mexico

Best time to visit Puerto Vallarta in September Weather, crowds & prices

Weather in Puerto Vallarta in September

Average temperature 24°C, 258 mm of rain, about 23 days with 6+ hours of sunshine and 85% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

September score

6.5/10

Ranked #12 of 12 months

Full year for Puerto Vallarta
Avg temp
24°C
Rainfall
258 mm
Humidity
85%
Days with 6h+ sun
23
Crowd Density
Quiet / Uncrowded
Average Expenses
$ · Budget Friendly ($)

September in Puerto Vallarta scores 6.5/10 for beach and coastal travel - ranked #12 of 12. Expect around 24°C, 258 mm of rain, and roughly 23 days with 6+ hours of sunshine this month.

Puerto Vallarta sets a cobbled old town and malecón against Banderas Bay and the foothills of the Sierra Madre.

September in Puerto Vallarta: mixed conditions, plan around the weather

With 24°C (76°F) on average, September delivers classic beach weather: plenty of time in the water, with beach and boat plans rarely disrupted by cold.

This is the year's wettest stretch at 258 mm, but with about 23 days with 6+ hours of sunshine it is not a total loss; an indoor fallback covers the risk.

That is 6.5/10 on the same scale — 12th of 12 months, versus 10/10 for the best month here.

Pack light clothing, swimwear and real sun protection, a proper rain shell rather than an umbrella.

Expect low-season pricing, and crowds are light for this destination.

If your dates are flexible, April is materially better in Puerto Vallarta — 3.5 points higher on the same scale.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in Puerto Vallarta in September?
In September, Puerto Vallarta averages 24°C, 258 mm of rain, and about 23 days with 6+ hours of sunshine. Its climate-comfort score is 6.5/10.
Is September a good time to visit Puerto Vallarta?
September earns a 6.5/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Puerto Vallarta in September?
Expect about 258 mm of rain in September. Average humidity is 85% and there are about 23 days with 6+ hours of sunshine.

Curated in Puerto Vallarta

Tickets & experiences

Things to do in Puerto Vallarta

Puerto Vallarta, Mexico. Live activities and tours from GetYourGuide, matched to this destination.