Mexico - Southwest coast weather in September 2025
Mexico - Southwest coast weather in September 2025
Day
33 °C
Night
23 °C
Sea
30 °C
Precipitation
287 mm
in month
Rainy days
15 days
in month
Daylight
12 hours
average
Sunshine
5 hours
average
Humidity
79 %
Day
33 °C
Night
23 °C
Sea
30 °C
Precipitation
287 mm
in month
Rainy days
15 days
in month
Daylight
12 hours
average
Sunshine
5 hours
average
Humidity
79 %
Overview: Mexico - Southwest coastMexico's southwest coast is a popular tourist destination that boasts stunning natural beauty, rich culture, and delicious cuisine. Mexico - Southwest coast offers something for everyone, from bustling cities to tranquil beaches, and is a fantastic destination for any traveler looking to experience the best of Mexico's culture and natural beauty.
Travel information
Weather charts for Mexico - Southwest coast
We make the most from 40 years of historical weather data to predict the best weather conditions.
Deciding on where to go for a holiday is hard sometimes. Get inspired by the most popular destinations.
We aggregate data from combining multiple weather sources to ensure accuracy of the highest order.
Find more destinations like this
Activities in Mexico - Southwest coast
Destinations in Mexico - Southwest coast
Destinations with similar weather to Mexico - Southwest coast
Weather overview and FAQs
Weather overview
In September in Mexico - Southwest coast, the average air temperature ranges from 33 °C (91 °F) during the day to 23 °C (73 °F) at night. There are 15 days of rain on average, where the rainfall is 287 mm (11.31 in).
Is September a good month to visit Mexico - Southwest coast?
There are good conditions for visiting in Mexico - Southwest coast in September. The daily temperatures in this month reach pleasant 33 °C (91 °F). The temperature of the sea will be perfect at 30 °C (85 °F). At night, temperatures hover around a pleasant 23 °C (73 °F). In Mexico - Southwest coast in September, there is a wet season, which means that it could rain more often there during your stay.
What temperature can I expect during the day in Mexico - Southwest coast in September?
The average daily temperature in Mexico - Southwest coast in September is 33 °C (91 °F). The great temperature for lying by the sea or pool and sunbathing, everywhere else you will probably be a bit hot. Don't forget to drink during the day, in these temperatures you should hydrate yourself a lot.
What is the sea temperature in September in Mexico - Southwest coast?
The temperature of the sea in Mexico - Southwest coast in September is 30 °C (85 °F). This temperature is someone's dream come true, while for someone it may no longer be ideal for the purpose of refreshment.
How many rainy days can I expect in Mexico - Southwest coast in September?
There are 15 days, which are rainy in September in Mexico - Southwest coast, that is, days with precipitation more than 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 3.4 days of the week, or in general - 49 % days.
What is the night temperature in Mexico - Southwest coast in September?
The average night temperature in Mexico - Southwest coast in September is 23 °C (73 °F). A very pleasant temperature for long evening walks, fun over a drink outside, or doing sports in the morning. If possible, look for a hotel with air conditioning.
What is the rainfall intensity in September in Mexico - Southwest coast?
There is precipitation of 287 mm (11.31 in) in Mexico - Southwest coast in September, which means 10 mm (0.38 in) rainfall per day on average.
Is September part of the dry season in Mexico - Southwest coast?
No, September is not a dry month in Mexico - Southwest coast, expect rain approximately 15 days in a month.
How many sunny hours can I expect in September in Mexico - Southwest coast?
In September in Mexico - Southwest coast, you can expect around 5 hours of sunshine.
Is there a wet season in September in Mexico - Southwest coast?
Yes, in Mexico - Southwest coast in September there is a wet season with 15 days, when there is rain in a month.
Is it hot in Mexico - Southwest coast in September?
Yes, it is hot in Mexico - Southwest coast in September, although the perception of heat can be subjective. Daytime temperatures rise to 33 °C (91 °F).
How windy is it in Mexico - Southwest coast in September?
An average wind scale that can be expected in Mexico - Southwest coast in September is 3. It is rather a milder or unnoticeable wind, therefore it will not bother you during your holiday.
How long is the day (from dawn till dusk) in Mexico - Southwest coast in September?
The length of daylight in Mexico - Southwest coast in September is 12 hours.
What level of humidity is to expect in Mexico - Southwest coast in September?
In September in Mexico - Southwest coast, expect humidity around 79 %. This humidity is rather above average, but except for sensitive individuals, it should not be a problem.
Is the weather in Mexico - Southwest coast warmer in September than in October?
No, in Mexico - Southwest coast in September the temperature is not higher than in October.