Puerto Vallarta weather in September 2025

Q: How hot is it in Puerto Vallarta in September?

Daytime temperatures usually reach 32°C in Puerto Vallarta in September with very high heat and humidity, falling to 21°C at night.

Q: How sunny is it in Puerto Vallarta in September?

There are normally 6 hours of bright sunshine each day in Puerto Vallarta in September - that's 46% of daylight hours.

Q: How warm is the sea around Puerto Vallarta in September?

The average sea temperature around Puerto Vallarta in September is 29°C.

Q: Does it rain in Puerto Vallarta in September?

There are usually 17 days with some rain in Puerto Vallarta in September and the average monthly rainfall is 358mm.

Q: What is the chance of a cyclone in Puerto Vallarta in September?

On average 1.5 days in September in Puerto Vallarta are likely to be affected by the passage of one or more tropical storms.

Expect 32°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Puerto Vallarta in September. Check more long-term weather averages for Puerto Vallarta in September before you book your next holiday to Mexico in 2025/2026.

32
32°C max day temperature
6
6 hours of sunshine per day
17
17 days with some rainfall
21
21°C min night temperature
12
12 hours of daylight per day
VH
Very High heat & humidity
358
358 mm of monthly rainfall
11
11+ (Extreme) UV index
29
29°C sea temperature

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Puerto Vallarta by month

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The September weather guide for Mexico (Puerto Vallarta) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm) | Imperial (°F / inches)

More about Mexico

How hot is it in Puerto Vallarta in September?

Daytime temperatures usually reach 32°C in Puerto Vallarta in September with very high heat and humidity, falling to 21°C at night.

How sunny is it in Puerto Vallarta in September?

There are normally 6 hours of bright sunshine each day in Puerto Vallarta in September - that's 46% of daylight hours.

How warm is the sea around Puerto Vallarta in September?

The average sea temperature around Puerto Vallarta in September is 29°C.

Does it rain in Puerto Vallarta in September?

There are usually 17 days with some rain in Puerto Vallarta in September and the average monthly rainfall is 358mm.

What is the chance of a hurricane in Puerto Vallarta in September?

On average 1.5 days in September in Puerto Vallarta are likely to be affected by the passage of one or more tropical storms.

Puerto Vallarta September sunrise & sunset times

Browse the sunrise and sunset times for Puerto Vallarta in September 2025. Select a month to view Puerto Vallarta sunrise and sunset times for the next 12 months.

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

Date	Sunrise times	Sunset times
Monday, 1st September 2025	06:45	19:16
Monday, 15th September 2025	06:48	19:03
Tuesday, 30th September 2025	06:52	18:49

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Mexico - quick facts
Flight time^✝	10.5 to 15 hours
Time difference	UK -5 to -8 hours
Language(s)	Spanish
Currency	Mexican Peso
Electricity	A + B plug (127V)
Driving side	Right
Why visit?	Beaches Culture Nature Nightlife
Tourist info	Mexico Ministry of Tourism