Verdict: Fair month
Krabi Weather in September
September runs warm in Krabi, with daily highs around 29°C (84°F) and nights near 24°C (75°F). It's also the wet side of the calendar: rain falls on about 26 days, so build flexibility into plans. September is workable in Krabi if your dates are fixed — just plan around the conditions.
Average high
29°C / 84°F
Average low
24°C / 75°F
Rain days
~26
Precipitation
286 mm
What to pack for Krabi in September
- Summer clothes, plus one light layer for air-con and evenings
- High-SPF sunscreen, sunglasses, and a refillable water bottle
- Rain gear is non-negotiable — expect rain on roughly 26 days
- Quick-dry shoes — downpours are short but heavy
- Comfortable walking shoes — every guide on this site assumes you'll use them
September against the rest of the year
Warmest in Krabi: Mar (34°C / 93°F) · Coolest: Sep (29°C / 84°F) · Wettest: Oct (~28 rain days)
32°
23°
Jan
33°
23°
Feb
34°
24°
Mar
33°
24°
Apr
32°
25°
May
30°
25°
Jun
30°
25°
Jul
30°
25°
Aug
29°
24°
Sep
30°
24°
Oct
30°
23°
Nov
30°
23°
Dec
Daily highs / lows in °C · bars show rain days per month · ERA5 climate normals (2020–2024)