September weather forecast
Cha-am, Thailand

September witnesses the year’s peak rainfall quantity at 165mm (6.5"), affirming the continuation of the monsoon trend in Cha-am. Greenery thrives, adding splendor to the city's aesthetics. While sea temperatures start to recede, they remain high enough to extend the beach season. The climate during this period fuses warmth and high humidity, intensified by the high precipitation and fading sunshine hours.

Temperature

The beginning of September denotes an average high temperature of a still hot 32°C (89.6°F), aligning closely with August. An average minimum temperature of 24°C (75.2°F) is recorded during the month of September.

Rainfall

In Cha-am, during September, the rain falls for 18 days and regularly aggregates up to 165mm (6.5") of precipitation. Throughout the year, there are 123 rainfall days, and 1182mm (46.54") of precipitation is accumulated.

Sea temperature

In September, the average sea temperature in Cha-am is 29°C (84.2°F).
Note: Swimming, diving, and other water endeavors at temperatures between 25°C (77°F) and 29°C (84.2°F) are considered enjoyable and satisfying for extended periods without discomfort.

Daylight

The average length of the day in September in Cha-am is 12h and 12min.
On the first day of September, sunrise is at 06:09 and sunset at 18:30. On the last day of the month, sunrise is at 06:09 and sunset at 18:10 +07.

Sunshine

June through September, with an average of 5h of sunshine, are months with the least sunshine.

UV index

February through October, with an average maximum UV index of 12, are months with the highest UV index in Cha-am. A UV Index reading of 11, and higher, represents an extreme threat to health from unsafe exposure to UV radiation for the average person.
Note: During September, 12 as the daily maximum UV index converts into the following advice:
Put into effect every essential safeguard, as unprotected skin and eyes might burn instantly. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Despite the cloud cover, sunscreen with an SPF of at least 30 should be generously applied and reapplied, particularly after a swim or an outdoor workout. Be careful! The Sun's UV radiation is accentuated by reflecting off sand and water.