Weather: Krabi — September
It's a rainy period, but great for indoor activities, museums, and lower prices.
☔ Climate Overview
September is a wet time to visit Krabi. 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 30°C is perfect for swimming.
Based on weather comfort, crowds, prices, and activity options
30°C
25°C
25days
12.2h
Feels like 37°C / 30°C — humidity makes it feel warmer
350mm
7.7h/day
88%
Very Muggy6.3
High14 km/h (gusts 34)
30°C 🏊 Comfortable
Is September a good time to visit Krabi?
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
06:16
18:26
Visiting Krabi in September: Pros & Cons
Pros
- 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
Recommended for This Weather
Krabi Weather by Month
| Month | Avg High | Avg Low | Rain | Sunshine | Humidity | UV Index | Crowds | Condition |
|---|---|---|---|---|---|---|---|---|
| Jan | 32°C | 24°C | 6d (29mm) | 10.3h | 79% Muggy | 7.3 Very High | | Excellent |
| Feb | 32°C | 25°C | 7d (42mm) | 10.5h | 77% Muggy | 8.3 Very High | | Excellent |
| Mar | 33°C | 25°C | 11d (62mm) | 10.7h | 78% Muggy | 9 Very High | | Excellent |
| Apr | 33°C | 26°C | 23d (199mm) | 10.2h | 83% Very Muggy | 8.3 Very High | | Wet |
| May | 32°C | 26°C | 27d (302mm) | 9h | 86% Very Muggy | 7.2 Very High | | Wet |
| Jun | 31°C | 26°C | 22d (248mm) | 9.2h | 86% Very Muggy | 7.1 Very High | | Wet |
| Jul | 31°C | 26°C | 23d (283mm) | 8.7h | 86% Very Muggy | 6.9 High | | Wet |
| Aug | 31°C | 26°C | 25d (273mm) | 9.2h | 86% Very Muggy | 7.3 Very High | | Wet |
| Sep Current | 30°C | 25°C | 25d (350mm) | 7.7h | 88% Very Muggy | 6.3 High | | Wet |
| Oct | 30°C | 25°C | 28d (396mm) | 7.4h | 88% Very Muggy | 6 High | | Wet |
| Nov | 30°C | 25°C | 25d (359mm) | 7h | 89% Very Muggy | 5.5 High | | Excellent |
| Dec | 31°C | 24°C | 14d (124mm) | 9.1h | 84% Very Muggy | 6.3 High | | Excellent |
Krabi
Limestone karsts rise from turquoise waters—island-hopping paradise on the Andaman Sea. Discover Railay Beach.
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.
🎒Personalized Packing List
Tell us about your trip and we'll create a custom packing list based on the weather.
Your Packing List
📋Essentials
👕Clothing
👟Footwear
🎒Accessories
🧴Toiletries & Health
Planning a trip to Krabi?
Frequently Asked Questions
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Is September peak season in Krabi?
More Krabi Guides
Best Time to Visit
Coming soon
Things to Do
Coming soon
Where to Stay
Best neighborhoods and hotel recommendations
Cost & Budget
Daily costs, money-saving tips, and budget breakdown
Itineraries
Coming soon
Overview
Complete travel guide for Krabi: top things to do, itineraries, and typical costs.