Normal weather for Mexico in September
It's warm in September in Mexico with an average temperature of 23°C. Temperatures this month range from a low of 17°C to a high of 25°C. At night, you can expect temperatures between 7°C and 13°C.
In September, there is an average of 143 mm of precipitation, spread over 15 days. The wind speed is around 3 Bft, mostly coming from the Southwest.
Mexico in September |
London | ||
|---|---|---|---|
 Average Temperature |
23°C | 20°C | |
 High Temp |
25°C | 22°C | |
| Low Temp |
17°C | 17°C | |
 Total Precipitation |
143 mm | 44 mm | |
| Rainy Days |
15 days | 8 days | |
Start of September
The month of September starts in Mexico with warm temperatures, averaging around 25°C during the day and nights close to 13°C. You can expect regular precipitation, but there’s also a chance for some sunny days in the first days of the month.
Since temperatures can differ between day and night, it’s a good idea to dress in layers. A T-shirt, light trousers or skirt, and a light jacket are perfect for daytime. In the evening and morning, we recommend a light coat, jumper or cardigan, and long trousers.
Mid-September
By mid-September, the average daytime temperature drops to around 23°C, with nights close to 11°C. There might be a few showers during this period, but plenty of dry days with sunshine too.
Temperatures vary between day and night, so it’s smart to wear layers. A T-shirt, light trousers or skirt, and a light jacket are perfect for daytime. In the evening and morning, we recommend a light coat, jumper or cardigan, and long trousers.
End of September
By the end of September, the average daytime temperature in Mexico will be around 21°C, with nights close to 9°C. There’s regular precipitation, but with a bit of luck, you’ll also get some dry and sunny days.
As it gets cooler in the evening, it’s best to wear layers. During the day, a shirt, maybe a light cardigan, and light trousers will do. In the evening and morning, we recommend a warm coat, jumper or cardigan, and long trousers.
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UV index
The UV index is a maximum of 6 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.
Is September a good time to visit Mexico?
After some sun? Then September isn’t the best time to be in Mexico. The temperature is pleasant, but there’s too much chance of rain this month.
Temperature records for Mexico in September
With 32°C, Mexico hit the highest temperature in the last 10 years in September 2023. The lowest daytime temperature in this month was 11°C in 2022. The extreme night temperatures ranged from a low of -2°C to a high of 21°C.
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Daily Temperature in September in Mexico
This chart shows the average daily temperatures, both day and night, for each day in September in Mexico, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in September in Mexico
The chart below shows the average daily precipitation in September for Mexico, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for September, you can expect around 15 days of rain in Mexico.
Daily UV Index in September in Mexico
This chart shows the average daily UV index in September in Mexico, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in September in Mexico Over the Years
This chart shows the average temperature in September in Mexico, measured in degrees Celsius, over the past years.
Total Precipitation in September in Mexico Over the Years
This chart shows the average precipitation in September in Mexico, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in September for Mexico
Click on a specific day in September for detailed info on the typical weather on that day in Mexico. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in September in Mexico
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Average Weather in Mexico by Month
Click on a month below to see detailed weather info for Mexico. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
