The climate in Puerto Vallarta during September can be summarized as hot, humid and very wet.
September is in the fall / autumn in Puerto Vallarta and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a steamy 32°C (90°F), whilst at night 22°C (71°F) is normal.
Daytime temperature | 32.4°C 90.2°F |
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Nightly temperature | 21.5°C 70.6°F |
Average temperature | 26.9°C 80.4°F |
Daily sunshine | 6.1 hrs |
Avg rainfall | 358 mm 14.1 ins |
Rainy days | 17 days |
Sea temperature | 29.6°C 85.3°F |
Humidity | 84% |
Windspeed | 8.3kph 5 mph |
On average September is the wettest month of the year in Puerto Vallarta with around 358mm 14.1 inches of rain making it a very wet time to visit. This rainfall is typically spread over 17 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.1 hours of sunshine per day.
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Puerto Vallarta in September 2024.
Best places to visit in September
Hottest month: | June | 32.7°C 90.9°F |
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Driest month: | April | 5mm 0.2ins |
Sunniest month: | February | 8.4hrs |
Coldest month: | January | 28.6°C 83.5°F |
Wettest month: | September | 358mm 14.1ins |