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Puerto Vallarta in September: Weather, Average temperature and Climate

Discover the weather for Puerto Vallarta in September and if it’s a good time to travel (based on historical data).
Check flight prices to Puerto Vallarta on Avionero:
September

Weather in Puerto Vallarta in September 2025

OK Weather
Hot
🌧️
Rainy
September could be a good time to visit Puerto Vallarta, as the weather is generally fine. The average high temperature is around +90°F, and there are typically 0 sunny days in September. However, expect about 27 rainy days, and total monthly rainfall of approximately 376 mm. The weather is changeable so pack for every eventuality. Search flights in one click on Avionero.
Good to know:
  • September is usually the wettest month of the year in Puerto Vallarta;

Average weather

☀️
+90°F
Avg. max. temperature
+72°F
Min.
+97°F
Max.
376 mm
Total precipitation
86%
Avg. humidity
1 m/s
Avg. wind
0 ☀️
Sunny Days
0 ⛅️
Cloudy
27 🌦
Rainy
Our opinion: Puerto Vallarta has OK weather in September.

Average temperature in Puerto Vallarta in September

Here are the expected maximum, average and minimum temperatures in Puerto Vallarta for September based on the historical data.
Last Year
Historical Data

The expected average maximum temperature in September is +93°F with a maximum of +95°F and a minimum of +77°F.

The average maximum temperature goes up 10% by the end of the month, compared with the beginning of the month, from +90°F to +91°F.

Is Puerto Vallarta warm or cold in September?

Puerto Vallarta is typically hot in September.

Maximum temperatures go up compared to the previous month from +90°F to +90°F. The minimum temperature also goes up from +77°F to +77°F.

Make sure that you pack your summer linen and swimming costumes; it’s probably going to be hot.

September is one of the warmest months in Puerto Vallarta, here is the comparison with other months:

Climate in Puerto Vallarta in September

Puerto Vallarta weather looks like this, on average, in September and the surrounding months.
AugustSeptemberOctober
Avg. temperature
+90°F+90°F+90°F
Min. temperature
+73°F+72°F+63°F
Max. temperature
+95°F+97°F+97°F
Rainfall
365 mm376 mm160 mm
Wind
1 m/s1 m/s1 m/s
Humidity
85%86%85%
Air pressure
1011 HPa1010 HPa1010 HPa
Sunny days
004
Cloudy days
004
Rainy days
282723
Snowy days
000

September weather is still as ok as in August. The temperature levels stay the same in the area of +90°F for average maximum temperature during the day. Prepare for more rain. Average rainfall goes from 365 mm to 376 mm. Humidity rises from 85% to 86%. The average wind speed doesn’t change much during September, staying around 1 m/s. The amount of sunny days stay about the same, averaging 0 sunny days during the month.

October brings much the same weather, it remains ok.

Wind

Wind speed in Puerto Vallarta in September based on historical data.
Last Year
Historical Data

The average wind speed is 1 m/s getting up to 2 m/s which is a light breeze; barely moving the tree leaves.

The average wind speed in Puerto Vallarta is gradually increasing during September, going from 1 m/s to 1 m/s over the course of the month.

Rain

Amount of rainfall in mm during September in Puerto Vallarta based on historical data.
Last Year
Historical Data
Total precipitation in September is about 337 mm, with a 97% chance of rain on a typical day. The maximum amount of rainfall per day is around 70 mm, which is considered heavy rain. September is a pretty wet month with over 29 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
September is one of the rainiest months in Puerto Vallarta, here is a comparison with other months, total mm:
Puerto Vallarta wettest month is September, where a typical day has a 90% chance of precipitation and 376 mm of rainfall per day. April, on the other hand, is the driest month with a mere 7% chance of precipitation and 2 mm of rainfall per day.

How was the weather last September in Puerto Vallarta?

This is the weather in Puerto Vallarta in September 2023:
1 September
🌧️
+90°F
2 September
☁️
+91°F
3 September
☁️
+92°F
4 September
☁️
+92°F
5 September
☁️
+91°F
6 September
🌧️
+90°F
7 September
🌧️
+88°F
8 September
☁️
+92°F
9 September
☁️
+95°F
10 September
☁️
+94°F
11 September
☁️
+94°F
12 September
🌧️
+93°F
13 September
🌧️
+92°F
14 September
☁️
+93°F
15 September
☀️
+93°F
16 September
🌧️
+93°F
17 September
🌧️
+91°F
18 September
☁️
+91°F
19 September
☁️
+93°F
20 September
☁️
+91°F
21 September
🌧️
+94°F
22 September
☁️
+94°F
23 September
☁️
+95°F
24 September
☁️
+95°F
25 September
☁️
+91°F
26 September
☁️
+93°F
27 September
🌧️
+93°F
28 September
☁️
+93°F
29 September
🌧️
+92°F
30 September
☁️
+92°F
In September 2023 Puerto Vallarta had 1 sunny days, 19 cloudy days, and 10 rainy days. The average maximum temperature was +93°F, with an absolute maximum of +95°F and a minimum of +88°F. The average humidity was 85%, with a maximum of 100% and a minimum of 71%. The average wind speed was 1 m/s, with a maximum of 7 m/s and a minimum of 0 m/s.
Are you planning a trip in September?

Climate Change Over the Years

This is how Puerto Vallarta climate has changed over the last 43 years.

The climate in Puerto Vallarta in September has not changed that much over the last 43 years.

The average temperature was the lowest in 2019 (+87°F) and the highest in 2023 (+90°F). The driest year was 1994 with only 846 mm of rainfall, and the wettest year was 2013 with 2461 mm.

FAQ

Frequently asked questions about the weather in Puerto Vallarta in September:

Is September a good time to visit Puerto Vallarta?

It’s always a good time to visit Puerto Vallarta, but the weather is changeable in September, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.

Can you sunbathe in Puerto Vallarta in September?

Absolutely, September is hot in Puerto Vallarta. Plan on beach and pool time, and ensure that you pack light and breathable options to stay comfortable.

Is Puerto Vallarta rainy in September?

Puerto Vallarta is often rainy in September. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Puerto Vallarta in September?

Usually, it’s not very sunny in Puerto Vallarta in September, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Other cities in Mexico

Check out the weather for other cities in Mexico.

Monthly weather in Puerto Vallarta

Source of the data

For this page, we’ve looked at the typical weather in Puerto Vallarta, based on historical hourly weather data from January 1, 1979, to December 31, 2023.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.