Puerto Vallarta
September
Weather in Puerto Vallarta for September 2026
Your guide to Puerto Vallarta weather in September - trends and predictions
So far, September 2026 in Puerto Vallarta is slightly warmer than the historical average by 0.9 °C.
Expect cooler weather in the next days in Puerto Vallarta with the forecast suggesting a temperature of 29.9 °C, lower than the historical average.
In general, the average temperature in Puerto Vallarta at the beginning of September is 31.6 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 30 °C by the end of September.
Puerto Vallarta experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 129.5 mm.
Temperatures
Rain 🌧️
6
Dry days
24
Rainy days
0
Snow days
31°/23°
Temperatures
9 km/h
Avg max wind
84 %
Avg humidity
Puerto Vallarta Weather September
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Temperatures trend during September in Puerto Vallarta
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September weather in Puerto Vallarta day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Light rain shower | 32° /22° | 6.8 mm | 6 | |
| 2 Sept. |  Thundery outbreaks possible | 31° /22° | 6.3 mm | 6 | |
| 3 Sept. |  Patchy light rain with thunder | 32° /23° | 4.5 mm | 6 | |
| 4 Sept. | Patchy light rain with thunder | 32° /22° | 6.1 mm | 8 | |
| 5 Sept. |  Overcast | 32° /22° | 1.6 mm | 7 | |
| 6 Sept. | Light rain shower | 31° /22° | 7.8 mm | 6 | |
| 7 Sept. | Light rain shower | 31° /23° | 8.3 mm | 6 | |
| 8 Sept. | Thundery outbreaks possible | 31° /23° | 2.7 mm | 6 | |
| 9 Sept. | Patchy rain possible | 33° /23° | 2.7 mm | 6 | |
| 10 Sept. | Thundery outbreaks possible | 31° /23° | 3.1 mm | 6 | |
| 11 Sept. | Light rain shower | 32° /22° | 10.5 mm | 8 | |
| 12 Sept. | Thundery outbreaks possible | 32° /23° | 7.5 mm | 8 | |
| 13 Sept. | Light rain shower | 31° /21° | 15.9 mm | 8.5 | |
| 14 Sept. | Patchy rain possible | 32° /20° | 2 mm | 11.5 | |
| 15 Sept. | Overcast | 30° /22° | 2.5 mm | 9.6 | |
| 16 Sept. |  Partly cloudy | 31° /21° | 1.6 mm | 11.1 | |
| 17 Sept. |  Sunny | 31° /21° | 1.7 mm | 8 | |
| 18 Sept. | Sunny | 31° /22° | 1.8 mm | 8 | |
| 19 Sept. |  Mist | 30° /22° | 18.4 mm | 6 | |
| 20 Sept. | Light rain shower | 29° /22° | 4.5 mm | 6 | |
| 21 Sept. | Fog | 29° /22° | 2.2 mm | 7 | |
| 22 Sept. | Light rain shower | 29° /21° | 8.1 mm | 6 | |
| 23 Sept. | Light rain shower | 28° /21° | 29.8 mm | 6 | |
| 24 Sept. | Patchy rain possible | 29° /21° | 13.7 mm | 7 | |
| 25 Sept. | Patchy light rain with thunder | 29° /21° | 17.8 mm | 7 | |
| 26 Sept. | Light rain shower | 30° /20° | 12.7 mm | 7 | |
| 27 Sept. |  Moderate or heavy rain with thunder | 30° /24° | 1.9 mm | 7 | |
| 28 Sept. | Light rain shower | 30° /24° | 0.8 mm | 7 | |
| 29 Sept. | Light rain shower | 31° /24° | 4.5 mm | 7 | |
| 30 Sept. | Patchy light rain with thunder | 31° /23° | 9.7 mm | 7 | |
| Next | |||||
Important Notice
Our weather forecast for Puerto Vallarta in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Puerto Vallarta forecast closer to your planned date for the most up-to-date weather information.
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Puerto Vallarta in September - FAQ
What are the expected maximum and minimum temperatures in Puerto Vallarta during September?
During September, expect a variety of temperatures with highs around 31° and lows near 23°, suitable for diverse activities and preferences.
How much rainfall should be expected in Puerto Vallarta during September?
Significant rainfall exceeding 129.5 mm is expected in Puerto Vallarta during September, occurring over more than 24 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Puerto Vallarta during September?
The average wind speed in Puerto Vallarta during September is 9 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Puerto Vallarta
Explore the daily rainfall trends and prepare for Puerto Vallartas September weather 💧
Typically, Puerto Vallarta has 24 rainy days in September with a total of 129.5 mm of rainfall.
UV exposure in Puerto Vallarta during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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