September · Thailand
Best time to visit Krabi in September Weather, crowds & prices
Weather in Krabi in September
Average temperature 27°C, 282 mm of rain, about 23 days with 6+ hours of sunshine and 87% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
6.8/10
Ranked #10 of 12 months
- Avg temp
- 27°C
- Rainfall
- 282 mm
- Humidity
- 87%
- Days with 6h+ sun
- 23
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $ · Budget Friendly ($)
September in Krabi scores 6.8/10 for beach and coastal travel - ranked #10 of 12. Expect around 27°C, 282 mm of rain, and roughly 23 days with 6+ hours of sunshine this month.
Krabi's coastline is a line of limestone karsts, hidden lagoons, and beaches reached by longtail boat.
September in Krabi — middling scores, decent value
Days in September average 27°C (80°F) and humidity near 87% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
This is the year's wettest stretch at 282 mm, but with about 23 days with 6+ hours of sunshine it is not a total loss; an indoor fallback covers the risk.
That is 6.8/10 on the same scale — 10th of 12 months, versus 9.1/10 for the best month here.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
Expect low-season pricing, and crowds are light for this destination.
If your dates are flexible, January is materially better in Krabi — 2.3 points higher on the same scale.
Frequently asked
- What is the weather like in Krabi in September?
- In September, Krabi averages 27°C, 282 mm of rain, and about 23 days with 6+ hours of sunshine. Its climate-comfort score is 6.8/10.
- Is September a good time to visit Krabi?
- September earns a 6.8/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Krabi in September?
- Expect about 282 mm of rain in September. Average humidity is 87% and there are about 23 days with 6+ hours of sunshine.
Curated in Krabi
Tickets & experiences
Things to do in Krabi
Krabi, Thailand. Live activities and tours from GetYourGuide, matched to this destination.