Mexico weather in September
In September, popular resorts in Mexico (Cancún, Playa del Carmen, Puerto Vallarta, Cabo San Lucas, Tulum) average 29°C by day and 26°C at night, and the sea is about 29°C. On average 170 mm of rain falls during the month.
That is the same as in August, and in October days average 29°C.
It is hot: ideal beach and swimming weather. The sea is warm and pleasant for swimming.
Warmest resorts in Mexico in September
| Place | Day | Night | Sea | Rain |
|---|---|---|---|---|
| Cabo San Lucas | 30°C | 26°C | 29°C | 103 mm |
| Cancún | 30°C | 26°C | 29°C | 165 mm |
| Playa del Carmen | 29°C | 27°C | 29°C | 170 mm |
| Tulum | 29°C | 26°C | 29°C | 185 mm |
| Puerto Vallarta | 27°C | 20°C | 29°C | 336 mm |
Mexico weather in other months
See also
FAQ
Is it warm in Mexico in September?
In September, popular resorts in Mexico (Cancún, Playa del Carmen, Puerto Vallarta, Cabo San Lucas, Tulum) average 29°C by day and 26°C at night, and the sea is about 29°C. On average 170 mm of rain falls during the month. It is hot: ideal beach and swimming weather.
What is the sea temperature in Mexico in September?
About 29°C on average. The warmest water is in Playa del Carmen (29°C).
Where is it warmest in Mexico in September?
The warmest place is Cabo San Lucas (30°C by day), followed by Cancún (30°C) and Playa del Carmen (29°C).
Does it rain in Mexico in September?
On average 170 mm of rain falls in the month. It is a fairly wet month, so pack a jacket.
Long-term averages from NASA POWER data (MERRA-2, 2001-2020 reanalysis, CC BY 4.0). Sea temperature is the average water surface temperature at the nearest grid point over the sea. This is climate, not a forecast for a specific day.