Thailand
Krabi in September: weather, sea & travel advice
This month's data profile
Rain shapes the decision
Krabi in September is climatically mixed. The average daily high is around 28 °C, and the sea is about 29 °C. With about 26 rainy days it is very wet.
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Rank among 12 monthly averages
55/100 · #6
Warmth
#12
Dryness
#11
Sun
#10
Sea warmth
#7
Published best categories: none
Krabi · SeptemberPhoto: kallerna · CC BY-SA 3.0Climate facts
- Average high
- 28 °C
- Average low
- 26 °C
- Sea
- 29 °C
- Rainy days (est.)
- 26 rainy days (est.)
- Sun (est.)
- 6 h/day
- Humidity
- 87 %
Climate evidence with direct month comparison
The highlighted row is the selected month. Precipitation total and rainy days are separate monthly averages.
| Month | Avg high °C | Avg low °C | Rainy days (est.) | Precipitation mm | Sun h/day (est.) | Humidity % | Wind m/s | Sea °C | Score |
|---|---|---|---|---|---|---|---|---|---|
| August | 28 | 26 | 24 | 301 | 5.8 | 87 | 2.2 | 30 | 55 |
| September (selected) | 28 | 26 | 26 | 329 | 5.6 | 87 | 2.0 | 29 | 55 |
| October | 28 | 26 | 29 | 321 | 5.6 | 87 | 1.7 | 29 | 56 |
How do the previous and next months compare?
Baseline: September (55/100)
Positive and negative values show the change from the selected month.
| Score Δ | Average high Δ | Average low Δ | Rainy days Δ | Rain Δ | Sun Δ | Humidity Δ | Wind Δ | Sea Δ | |
|---|---|---|---|---|---|---|---|---|---|
| August | ±0 | +0.2 °C | +0.4 °C | -1.9 | -28.4 mm | +0.2 h | -0.8 % | +0.1 m/s | +0.4 °C |
| October | +1 | ±0 °C | -0.2 °C | +2.5 | -7.7 mm | ±0 h | +0.2 % | -0.3 m/s | -0.2 °C |
All twelve months in context
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Where to stay in Krabi
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Useful next decisions
Frequently asked questions
How warm is Krabi in September?
The average daily high is around 28 °C, with an average daily low of about 26 °C.
Can you swim in Krabi in September?
The sea is about 29 °C (very warm).
Does it rain a lot in Krabi in September?
The curated estimate is about 26 rainy days per month, not a directly measured long-term average. Total precipitation averages around 329 mm for the month. A rainy day does not mean all-day rain.
When is the best time to visit Krabi?
By the climate score, January, February, March and December are the strongest months for Krabi. For a beach trip: January, February, March and December. September is not among them.