Mexico

Mexico Weather in September

Average temperatures, rainfall, sunshine and the best places to visit in Mexico in September.

Planning a trip to Mexico this September? Here's what you need to know about the weather:

What to Expect in Mexico in September

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

Temperatures

During the day the temperature is pleasant in Metepec at 20°C (68°F) and very hot in Mexicali at 39°C (102°F). As night falls, temperatures generally drop to 23°C (73°F) in Mexicali and 10°C (50°F) in Metepec. These night and day temperatures are average and some days may be even warmer. So be prepared and dress for the heat.

For specific regional insights in Mexico, refer to the map provided below.

Precipitation

In September, precipitation varies across different areas. From almost no rainfall in Mexicali with an average of 3.6 mm (0.1 in) to heavy rainfall in Huatulco with 692 mm (27 in).

Average sunshine

Most destinations offer generous amounts of sunshine this September. For example, Playa del Carmen gets approximately 202 hours of sunlight, perfect for anyone wanting bright, sunny days.

Explore Mexico by month

Best Places to Visit in Mexico in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Mexico.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Mexico

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

Temperature range in Mexico (September)

Precipitation variation in Mexico (September)

Playa del Carmen

In September Playa del Carmen generally has very high temperatures with maximum daytime temperatures around 31°C (88°F), minimum nighttime temperatures around 26°C (79°F) and heavy monthly rainfall. So on average the conditions are unpleasant that month.

August
September
October
Max temperature
31°C (88°F)
31°C (88°F)
30°C (86°F)
Min temperature
26°C (79°F)
26°C (79°F)
25°C (77°F)
Monthly sun hours
220 hours
202 hours
235 hours
Monthly rainfall
122 mm (4.8 in)
195 mm (7.7 in)
206 mm (8.1 in)
Monthly rainy days
13 days
15 days
13 days
Weather conditions

Mexico City

In September Mexico City generally has high temperatures with maximum daytime temperatures around 23°C (73°F), minimum nighttime temperatures around 12°C (54°F) and heavy monthly rainfall. So on average the conditions are unpleasant that month.

August
September
October
Max temperature
23°C (73°F)
23°C (73°F)
22°C (72°F)
Min temperature
12°C (54°F)
12°C (54°F)
10°C (50°F)
Monthly sun hours
176 hours
150 hours
194 hours
Monthly rainfall
203 mm (8 in)
201 mm (7.9 in)
98 mm (3.9 in)
Monthly rainy days
19 days
17 days
9 days
Weather conditions

Los Cabos

In September Los Cabos generally has very high temperatures with maximum daytime temperatures around 32°C (90°F), minimum nighttime temperatures around 24°C (75°F) and heavy monthly rainfall. So on average the conditions are tolerable that month.

August
September
October
Max temperature
34°C (93°F)
32°C (90°F)
32°C (90°F)
Min temperature
25°C (77°F)
24°C (75°F)
23°C (73°F)
Monthly rainfall
92 mm (3.6 in)
161 mm (6.3 in)
28 mm (1.1 in)
Monthly rainy days
6 days
6 days
3 days
Weather conditions

Puerto Peñasco

In September Puerto Peñasco generally has very high temperatures with maximum daytime temperatures around 34°C (93°F), minimum nighttime temperatures around 28°C (82°F) and low monthly rainfall. So on average the conditions are pleasant that month.

August
September
October
Max temperature
35°C (95°F)
34°C (93°F)
30°C (86°F)
Min temperature
30°C (86°F)
28°C (82°F)
23°C (73°F)
Monthly rainfall
7.4 mm (0.3 in)
9.3 mm (0.4 in)
8.4 mm (0.3 in)
Monthly rainy days
3 days
2 days
a single day
Weather conditions

Cancún

In September Cancún generally has very high temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 26°C (79°F) and heavy monthly rainfall. So on average the conditions are unpleasant that month.

August
September
October
Max temperature
31°C (88°F)
30°C (86°F)
30°C (86°F)
Min temperature
27°C (81°F)
26°C (79°F)
26°C (79°F)
Monthly sun hours
233 hours
195 hours
217 hours
Monthly rainfall
116 mm (4.6 in)
192 mm (7.6 in)
204 mm (8 in)
Monthly rainy days
13 days
14 days
13 days
Weather conditions

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

Popular cities in September

Day & night temperatures, rainfall and average weather in Mexico in September.

City Weather Day temp Night temp Rainfall
Cancún 30°C (86°F) 26°C (79°F) 192 mm (7.6 in)
Mexico City 23°C (73°F) 12°C (54°F) 201 mm (7.9 in)
Mérida 35°C (95°F) 24°C (75°F) 146 mm (5.7 in)
Cabo San Lucas 33°C (91°F) 26°C (79°F) 127 mm (5 in)
Puerto Vallarta 29°C (84°F) 23°C (73°F) 357 mm (14 in)
Tulum 31°C (88°F) 26°C (79°F) 203 mm (8 in)

Mexico weather in September: frequently asked questions

What is the weather like in Mexico in September?

Expect poor weather across Mexico in September. The popular destination of Playa del Carmen averages 31°C (88°F) by day and 26°C (79°F) at night during this month.

What is the average temperature in Mexico in September?

In Playa del Carmen, the average daytime high in September is 31°C (88°F), while nighttime temperatures drop to around 26°C (79°F).

Does Mexico get a lot of rain in September?

Yes. September brings heavy rainfall to Mexico, with Playa del Carmen averaging around 195 mm (7.7 in). Expect frequent showers and pack accordingly.

Is September a Good 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 months of June, September and October tend to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in Mexico.

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 travel conditions. Find out where to go with our weather planner.

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