September weather forecast
Krabi, Thailand

In September, Krabi experiences the highest rainfall of the year averaging 355mm (13.98"). Despite the increase in rainfall, temperatures remain steady from 24°C (75.2°F) to 31°C (87.8°F). With 12.2 daylight hours and five sunshine hours, outdoor activities can still be planned accordingly, considering the high likelihood of showers. September's weather indicates a nearing end of the wet season and a transition towards the drier months.

Temperature

The average high-temperature in Krabi, a still tropical 31°C (87.8°F) in September, matches the temperature recorded in August. In Krabi, an average nighttime temperature of 24°C (75.2°F) is expected during September.

Rainfall

September is the month with the most rainfall in Krabi. Rain falls for 22 days and accumulates 355mm (13.98") of precipitation.

Sea temperature

In September, the average sea temperature in Krabi, Thailand, is 29°C (84.2°F).
Note: Water temperature between 25°C (77°F) and 29°C (84.2°F) is perceived as agreeably warm, making all water activities enjoyable without the risk of discomfort over lengthy durations.

Daylight

In September, the average length of the day is 12h and 10min.
On the first day of September in Krabi, sunrise is at 06:16 and sunset at 18:32. On the last day of the month, sunrise is at 06:12 and sunset at 18:16 +07.

Sunshine

With an average of 5h of sunshine, September has the least sunshine of the year in Krabi.

UV index

February through October, with an average maximum UV index of 12, are months with the highest UV index. A UV Index reading of 11, and higher, represents an excessive health risk from exposure to the Sun's UV rays for the average person.
Note: A maximum high UV index of 12 in September translates into the following recommendations:
Execute all crucial precautions. Warding off sun exposure is non-negotiable. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. To cut down UV radiation exposure by about half, sport a wide-brim hat. Broad-spectrum sunscreen with an SPF of 30 or more should be applied liberally every two hours and directly after outdoor activities or swimming. Warning! The Sun's UV rays intensify with reflections from sand and water.