Cancún
September
Weather in Cancún for September 2025
Your guide to Cancún weather in September - trends and predictions
In general, the average temperature in Cancún at the beginning of September is 30.7 °C. As the month progressed, temperatures tended to slightly decrease, reaching an average of 30.4 °C by the end of September.
Cancún experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 328.1 mm.
Is September a good time to visit Cancún? check out the best time to travel to Cancún page.
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Temperatures
Rain 🌧️
More
2
Dry days
28
Rainy days
0
Snow days
30°/26°
Temperatures
16 km/h
Avg max wind
78 %
Avg humidity
Cancún in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  30° | 2  31° | 3  31° | 4 30° | 5 31° | 6 31° | 7  31° |
| 8 31° | 9 30° | 10 30° | 11 31° | 12 31° | 13 32° | 14 31° |
| 15 31° | 16 31° | 17 31° | 18 31° | 19 32° | 20 31° | 21 31° |
| 22 31° | 23 31° | 24 31° | 25 30° | 26 31° | 27 30° | 28 31° |
| 29 30° | 30 30° |
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Temperatures trend during September in Cancún
See the weather trend as well as the moving average line
September weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. | Partly cloudy | 30° /26° | 6.3 mm | 7 | |
| 2 Sept. | Patchy rain possible | 31° /26° | 2.9 mm | 7 | |
| 3 Sept. | Moderate rain at times | 31° /26° | 4.5 mm | 7 | |
| 4 Sept. | Moderate or heavy rain shower | 30° /26° | 7 mm | 7 | |
| 5 Sept. | Patchy rain possible | 31° /25° | 2.5 mm | 7 | |
| 6 Sept. | Moderate or heavy rain shower | 31° /26° | 3.4 mm | 7 | |
| 7 Sept. | Cloudy | 31° /26° | 2.5 mm | 7 | |
| 8 Sept. | Cloudy | 31° /26° | 6.2 mm | 7 | |
| 9 Sept. | Moderate or heavy rain shower | 30° /25° | 12.5 mm | 7 | |
| 10 Sept. | Moderate or heavy rain shower | 30° /25° | 13.4 mm | 7 | |
| 11 Sept. | Patchy rain possible | 31° /25° | 2.6 mm | 7 | |
| 12 Sept. | Cloudy | 31° /26° | 0.7 mm | 7 | |
| 13 Sept. | Partly cloudy | 32° /26° | 2 mm | 7 | |
| 14 Sept. | Partly cloudy | 31° /26° | 3.9 mm | 8 | |
| 15 Sept. | Patchy rain possible | 31° /26° | 2.6 mm | 7 | |
| 16 Sept. | Moderate or heavy rain shower | 31° /26° | 6.3 mm | 7 | |
| 17 Sept. | Moderate or heavy rain shower | 31° /26° | 16.4 mm | 7 | |
| 18 Sept. | Partly cloudy | 31° /26° | 2.5 mm | 8 | |
| 19 Sept. | Partly cloudy | 32° /26° | 0.9 mm | 8 | |
| 20 Sept. | Cloudy | 31° /26° | 10.4 mm | 7 | |
| 21 Sept. | Moderate or heavy rain shower | 31° /26° | 6.8 mm | 7 | |
| 22 Sept. | Moderate or heavy rain shower | 31° /26° | 7.4 mm | 7 | |
| 23 Sept. | Moderate or heavy rain shower | 31° /25° | 4.3 mm | 7 | |
| 24 Sept. | Moderate or heavy rain shower | 31° /25° | 8.5 mm | 7 | |
| 25 Sept. | Moderate or heavy rain shower | 30° /25° | 147.4 mm | 7 | |
| 26 Sept. | Moderate or heavy rain shower | 31° /25° | 16.2 mm | 7 | |
| 27 Sept. | Moderate rain at times | 30° /25° | 13.1 mm | 7 | |
| 28 Sept. | Patchy rain possible | 31° /25° | 2.2 mm | 7 | |
| 29 Sept. | Partly cloudy | 30° /25° | 3.2 mm | 7 | |
| 30 Sept. | Moderate rain at times | 30° /25° | 9.5 mm | 6 | |
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Important Notice
Our weather forecast for Cancún in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Cancún forecast closer to your planned date for the most up-to-date weather information.
Cancún in September - FAQ
What are the expected maximum and minimum temperatures in Cancún during September?
During September, expect a variety of temperatures with highs around 30° and lows near 26°, suitable for diverse activities and preferences.
How much rainfall should be expected in Cancún during September?
Significant rainfall exceeding 328.1 mm is expected in Cancún during September, occurring over more than 28 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Cancún during September?
The average wind speed in Cancún during September is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Cancún in September?
As you prepare for your trip to Cancún in September, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Cancún, during September, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Lightweight Clothing: T-shirts, blouses, shorts, skirts
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Sandals/Flip-flops: Comfortable for warm climates
- Accessories
- Sunglasses: For sun protection
- Sun Hats: Wide-brimmed hats for sun protection in warm weather
- Umbrellas/Raincoats: For rainy days
- Personal Items
- Sunscreen: High SPF for sunny destinations
- Lip Balm with SPF: To protect against chapped lips
- Insect Repellent: For destinations with mosquitos or other insects
September rainfall patterns in Cancún
Explore the daily rainfall trends and prepare for Cancúns September weather 💧
UV exposure in Cancún during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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