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Mexico weather in September

Planning a journey to Mexico this September and curious over the weather conditions to await? Your essential details are found on this page, answering your query:

What is the weather like in Mexico in September?

In September, Mexico experiences a range of weather conditions, with temperatures that range from pleasant to very warm and precipitation levels ranging from almost none to heavy.

During the day the temperature is pleasant in Toluca at 20°C and very warm in Mexicali at 39°C. As night falls, temperatures generally drop to 23°C in Mexicali and 10°C in Toluca. These night and day temperatures are average and some days may be even warmer. So be prepared and dress for the heat.

In September, precipitation varies across different areas. From almost no rainfall in Mexicali with an average of 3.6 mm to heavy rainfall in Huatulco with 692 mm. Meanwhile, Playa del Carmen enjoys close to 202 hours of sunlight. This means it's a great month if you prefer bright and sunny days.

To learn more about the conditions in specific areas of Mexico in September, check out the map below. For more details on the yearly weather, visit our Mexico climate page.

Where to go in Mexico in September

Find the average weather conditions in September for the most popular destinations in Mexico on the map below. Click on a destination dot for more detailed information.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

Popular destinations in Mexico

What is the weather like in September for the 5 most popular destinations in Mexico?

Average weather in Playa del Carmen

In September Playa del Carmen generally has very high temperatures with maximum daytime temperatures around 31°C, minimum nighttime temperatures around 26°C and heavy monthly rainfall. So on average the conditions are unpleasant that month.

Playa del Carmen
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
31°C 
26°C 
220 hours 
122 mm 
13 days 
31°C 
26°C 
202 hours 
195 mm 
15 days 
October   >> October
>>  
30°C 
25°C 
235 hours 
206 mm 
13 days 
poor 
Climate in Playa del Carmen

Average weather in Mexico City

In September Mexico City generally has high temperatures with maximum daytime temperatures around 23°C, minimum nighttime temperatures around 12°C and heavy monthly rainfall. So on average the conditions are unpleasant that month.

Mexico City
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
23°C 
12°C 
176 hours 
203 mm 
19 days 
23°C 
12°C 
150 hours 
201 mm 
17 days 
October   >> October
>>  
22°C 
10°C 
194 hours 
98 mm 
9 days 
Climate in Mexico City

Average weather in Puerto Peñasco

In September Puerto Peñasco generally has very high temperatures with maximum daytime temperatures around 34°C, minimum nighttime temperatures around 28°C and low monthly rainfall. So on average the conditions are pleasant that month.

Puerto Peñasco
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
35°C 
30°C 
7.4 mm 
3 days 
34°C 
28°C 
9.3 mm 
2 days 
October   >> October
>>  
30°C 
23°C 
8.4 mm 
1 day 
Climate in Puerto Peñasco

Average weather in Cancún

In September Cancún generally has very high temperatures with maximum daytime temperatures around 30°C, minimum nighttime temperatures around 26°C and heavy monthly rainfall. So on average the conditions are unpleasant that month.

Cancún
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
31°C 
27°C 
116 mm 
13 days 
30°C 
26°C 
192 mm 
14 days 
October   >> October
>>  
30°C 
26°C 
204 mm 
13 days 
poor 
Climate in Cancún

Average weather in Puerto Vallarta

In September Puerto Vallarta generally has high temperatures with maximum daytime temperatures around 29°C, minimum nighttime temperatures around 23°C and heavy monthly rainfall. So on average the conditions are poor that month.

Puerto Vallarta
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
30°C 
23°C 
350 mm 
18 days 
poor 
29°C 
23°C 
357 mm 
17 days 
poor 
October   >> October
>>  
29°C 
22°C 
156 mm 
8 days 
Climate in Puerto Vallarta

Is your destination not in the list? Have a look at other destinations in Mexico.

Is September the best time to visit Mexico?

Given the typically unpleasant weather conditions in Playa del Carmen, September may not be the ideal time to visit Mexico.

Generally speaking, January, February, March, April, November and December provide perfect weather in Playa del Carmen. On the other hand, the month of October tends to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in Mexico. Interested in the weather conditions in a specific month? Select the month below.

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  • Weather and climate has detailed information for every country in the world. Are you going to Mexico? Get detailed historical weather averages for many cities in Mexico.

    Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.