Weather: Cancún — September
It's a rainy period, but great for indoor activities, museums, and lower prices.
☔ Climate Overview
September is a wet time to visit Cancún. Hot conditions with temperatures reaching 30°C—stay hydrated and seek shade. This is one of the wettest months—waterproof gear is essential. Being off-peak, you'll find better deals and fewer crowds. Sea temperature of 29°C is perfect for swimming.
Based on weather comfort, crowds, prices, and activity options
30°C
26°C
24days
12.3h
Feels like 37°C / 30°C — humidity makes it feel warmer
178mm
10.5h/day
84%
Very Muggy7.7
Very High14 km/h (gusts 28)
29°C 🏊 Comfortable
Is September a good time to visit Cancún?
It's a rainy period, but great for indoor activities, museums, and lower prices.
Now
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Air Quality
Travel Context
- CrowdsVery Quiet
- Travel Costs Value Rates
Daylight
06:35
18:53
Visiting Cancún in September: Pros & Cons
Pros
- Abundant sunshine for beach and outdoor fun
- Fewer crowds and better hotel deals
- Warm sea perfect for swimming and snorkeling
Cons
- Frequent rain may disrupt outdoor activities
- High humidity makes the heat feel oppressive
Things to Do in September
Events & Festivals
Recommended for This Weather
Cancún Weather by Month
| Month | Avg High | Avg Low | Rain | Sunshine | Humidity | UV Index | Crowds | Condition |
|---|---|---|---|---|---|---|---|---|
| Jan | 26°C | 22°C | 13d (49mm) | 9.3h | 79% Humid | 5.4 High | | Excellent |
| Feb | 27°C | 22°C | 7d (32mm) | 9.7h | 78% Humid | 6.4 High | | Excellent |
| Mar | 28°C | 23°C | 6d (20mm) | 11h | 76% Humid | 7.8 Very High | | Excellent |
| Apr | 29°C | 24°C | 5d (24mm) | 11.5h | 75% Muggy | 9.2 Very High | | Excellent |
| May | 30°C | 25°C | 10d (77mm) | 11.7h | 79% Muggy | 9.2 Very High | | Good |
| Jun | 30°C | 26°C | 19d (212mm) | 10.6h | 83% Very Muggy | 8.3 Very High | | Wet |
| Jul | 31°C | 26°C | 17d (102mm) | 11.7h | 82% Very Muggy | 9.4 Very High | | Wet |
| Aug | 31°C | 26°C | 22d (171mm) | 11.3h | 83% Very Muggy | 8.8 Very High | | Wet |
| Sep Current | 30°C | 26°C | 24d (178mm) | 10.5h | 84% Very Muggy | 7.7 Very High | | Wet |
| Oct | 29°C | 25°C | 20d (182mm) | 9.7h | 83% Very Muggy | 6.5 High | | Wet |
| Nov | 28°C | 24°C | 16d (106mm) | 9.6h | 82% Very Humid | 5.6 High | | Wet |
| Dec | 27°C | 23°C | 12d (77mm) | 9.2h | 79% Humid | 5.2 High | | Excellent |
Cancún
Caribbean beaches with Chichen Itza day trip and Tulum beach ruins, Mayan ruins, cenotes, and turquoise waters.
View Full Destination Guide
What to Pack for September
Light, breathable fabrics like cotton and linen are essential. Opt for loose-fitting clothing in light colors to stay cool. A waterproof jacket and shoes are non-negotiable — showers are frequent. Don't forget a wide-brimmed hat and high-SPF sunscreen — the sun is strong.
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📋Essentials
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🧴Toiletries & Health
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Frequently Asked Questions
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More Cancún Guides
Best Time to Visit
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Things to Do
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Where to Stay
Best neighborhoods and hotel recommendations
Cost & Budget
Daily costs, money-saving tips, and budget breakdown
Itineraries
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Overview
Complete travel guide for Cancún: top things to do, itineraries, and typical costs.