Weather in Mexico for September 2027
In general, the average temperature in Mexico at the beginning of September is 30.8 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 30 °C by the end of September.
Mexico in September brings notable rainfall, with an average of 17 rainy days and a total precipitation of 267.5 mm.
Is September a good time to visit Mexico? check out the best time to travel to Mexico page.
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Mexico Weather September
What’s the Weather Like in Mexico This September?
Temperatures trend during September in Mexico
September weather in Mexico day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Light rain | 31° /26° | 4.3 mm | 8 | |
| 2 Sept. |  Patchy rain possible | 31° /27° | 2 mm | 7 | |
| 3 Sept. | Light rain | 31° /26° | 3.7 mm | 8 | |
| 4 Sept. | Light rain | 31° /26° | 4.8 mm | 7 | |
| 5 Sept. | Patchy rain possible | 31° /26° | 1.9 mm | 8 | |
| 6 Sept. | Light rain | 31° /27° | 2.5 mm | 7 | |
| 7 Sept. | Patchy rain possible | 31° /27° | 1.7 mm | 7 | |
| 8 Sept. | Light rain | 31° /26° | 5.4 mm | 6 | |
| 9 Sept. |  Moderate or heavy rain shower | 30° /26° | 8.8 mm | 7 | |
| 10 Sept. |  Moderate rain | 30° /26° | 12.8 mm | 8 | |
| 11 Sept. | Patchy rain possible | 31° /26° | 2.3 mm | 7 | |
| 12 Sept. | Patchy rain possible | 31° /26° | 1.4 mm | 7 | |
| 13 Sept. | Light rain | 31° /26° | 3.5 mm | 7 | |
| 14 Sept. | Light rain | 31° /26° | 3.3 mm | 7 | |
| 15 Sept. | Light rain | 31° /27° | 2.7 mm | 7 | |
| 16 Sept. | Moderate or heavy rain shower | 31° /26° | 7.2 mm | 8 | |
| 17 Sept. | Moderate rain | 31° /27° | 11.6 mm | 6 | |
| 18 Sept. | Light rain | 31° /26° | 3.6 mm | 7 | |
| 19 Sept. | Light rain | 31° /26° | 2.9 mm | 7 | |
| 20 Sept. | Moderate or heavy rain shower | 31° /26° | 8.7 mm | 7 | |
| 21 Sept. | Moderate or heavy rain shower | 30° /26° | 5 mm | 7 | |
| 22 Sept. | Moderate or heavy rain shower | 31° /26° | 6.5 mm | 7 | |
| 23 Sept. | Moderate or heavy rain shower | 30° /26° | 7.6 mm | 7 | |
| 24 Sept. | Moderate or heavy rain shower | 30° /26° | 7.7 mm | 6 | |
| 25 Sept. |  Heavy rain | 30° /25° | 98.8 mm | 7 | |
| 26 Sept. | Moderate rain | 31° /26° | 11.2 mm | 8 | |
| 27 Sept. | Moderate rain at times | 30° /25° | 8.8 mm | 7 | |
| 28 Sept. | Light rain | 30° /26° | 3.2 mm | 6 | |
| 29 Sept. | Moderate rain | 30° /26° | 12.8 mm | 7 | |
| 30 Sept. | Moderate rain | 30° /26° | 10.5 mm | 6 | |
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Guide for Mexico in September
In September, Mexico experiences a transition from the rainy season to the drier months, resulting in varied weather conditions across the country.
At the beginning of the month, coastal areas such as Cancun and Puerto Vallarta typically see warm and humid conditions with temperatures averaging around 28° during the day and 24° at night. However, there is a higher chance of rainfall and occasional thunderstorms during this time.
Towards the end of September, the weather in Mexico begins to shift as the rainy season starts to taper off. In Mexico City, the temperatures tend to be milder, with daytime highs averaging around 22° and cooler evenings around 14°.
The capital city also experiences less rainfall towards the end of the month, making it an ideal time to explore the city and its attractions.
In general, September marks the transition from the wet season to the dry season in Mexico, offering travelers the opportunity to enjoy the country's diverse landscapes and cultural experiences.
However, it's important to stay updated on local weather forecasts and potential tropical storms, especially in coastal regions.
Mexico in September - FAQ
What are the expected maximum and minimum temperatures in Mexico during September?
How much rainfall should be expected in Mexico during September?
What are the typical wind conditions in Mexico during September?
Mexico water temperatures in September
The average water temperature of the Caribbean Sea near Mexico in September is 27.5 °C. At the beginning of September temperatures are around 27.4 °C; by the end of the month they stay fairly steady and reach 27.5 °C.
- What is the water temperature in Mexico in September?
- The average water temperature in Mexico in September is 27.5 °C.
- Can you swim in Mexico in September?
- Ideal conditions for families and casual swimmers. You can stay in for long swims or reef explorations with no thermal protection required.