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MexicoThe weather in September in Nuevo Vallarta
It's hot in September in Nuevo Vallarta with an average temperature of 32°C. Temperatures this month range from a low of 31°C to a high of 32°C. At night, you can expect temperatures between 24°C and 25°C.
Looking for sun? September isn’t a good month to be in Nuevo Vallarta. The temperature is nice, but there’s too much chance of rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in September for Nuevo Vallarta, Mexico. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 35°C in 2019, Nuevo Vallarta reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 26°C in 2021. The extreme nighttime temperatures ranged from a lowest recorded value of 17°C to a highest value of 27°C.
Water temperature
The water temperature at Nuevo Vallarta is 30°C this month. It’s really warm, perfect for a swim.
Rainfall amount
In September, there is an average of 302 mm of precipitation, spread over 28 days. The wind speed is around 3 Bft, mostly coming from the South.
Daily weather in September for Nuevo Vallarta
Click on any day in September to get detailed info about the usual weather on that day in Nuevo Vallarta. Check out the historical temperatures and precipitation over the past 10 years on this day.
September weather comparison
| Nuevo Vallarta | New York | |
|---|---|---|
| Average temperature | 32°C | 27°C |
| Max. temperature | 32°C | 31°C |
| Min. temperature | 24°C | -5°C |
| Total precipitation | 302 mm | 57 mm |
| Rainy days | 28 days | 9 days |
Start of September
The month of September starts in Nuevo Vallarta with hot temps, averaging around 32°C during the day and nights around 25°C.
Mid September
By mid-September, daytime temps stay steady at around 32°C, with nights around 25°C. There’s a high chance of precipitation during this time.
End of September
By the end of September, the average daytime temperature in Nuevo Vallarta is around 32°C, while nighttime temps are about 25°C. There’s a significant chance of many days with precipitation.
UV index
The UV index is a maximum of 9 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Check out the climate of Nuevo Vallarta for all months and discover the best travel time
Curious about the weather in other parts of Mexico? Check out the climate and weather for spots like Cancún, Mexico City, Playa del Carmen, or explore other destinations in Mexico.
Temperature charts
These charts show the average temperatures in September in Nuevo Vallarta, Mexico. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in September in Nuevo Vallarta
Temperature in September in Nuevo Vallarta over the years
Precipitation charts
These charts show the average amount of precipitation in September in Nuevo Vallarta, Mexico. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in September in Nuevo Vallarta
Total precipitation in September in Nuevo Vallarta over the years
Daily UV index in September in Nuevo Vallarta
This chart shows the average daily UV index in September in Nuevo Vallarta, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in September in Nuevo Vallarta
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Average weather in Nuevo Vallarta by month
Click on a month below to see detailed weather info for Nuevo Vallarta. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.