September weather forecast and climate
Sa Nam Ban Ko Phi Phi, Thailand TH

• Average high temperature in September: 30°C

Warmest months (with the highest average high temperature) are February, March and April (33°C).
Months with the lowest average high temperature are September and November (30°C).

• Average low temperature in September: 24°C

Months with the highest average low temperature are April, May, June, July, August and September (24°C).
Coldest months (with the lowest average low temperature) are January, February and December (22°C).

• Average rainfall in September: 373mm

The wettest month (with the highest rainfall) is September (373mm).
The driest month (with the lowest rainfall) is February (25mm).

• Average rainfall days in September: 20 days

Months with the highest number of rainy days are September and October (20 days).
The month with the lowest number of rainy days is February (4 days).

• Average sea temperature in September: 29°C

Best months for swimming (with the highest average sea temperature) are April, May and June (30°C).
Coldest months (with the lowest average sea temperature) are January, February and December (28°C).

• Average daylight in September: 12.2h

The month with the longest days is June (Average daylight: 12.6h).
Months with shortest days are January and December (Average daylight: 11.7h).

• Average sunshine in September: 5h

Months with most sunshine are January, February and March (Average sunshine: 9h).
The month with least sunshine is September (Average sunshine: 5h).

• Average UV index in September: 12

Months with the highest UV index are February, March, April, May, June, July, August, September and October (UV index 12).
Months with the lowest UV index are January, November and December (UV index 11).