Ko Kut Weather in September
During September, Ko Kut experiences high daytime temperatures of 29°C (84°F) and cooler nights around 26°C (79°F). September sits within the rainy season, so expect regular and often heavy rainfall.
Rainfall in Ko Kut in September
As part of the rainy season, Ko Kut sees around 23 days of rain in September, with an average of 559 mm (22 in). The rain this month falls heavily when it arrives. Late afternoons in particular can see strong showers, so waterproofs are worth keeping handy.
Temperature in Ko Kut in September
Daytime highs in Ko Kut in September reach 29°C (84°F), with nights around 26°C (79°F). Overall, the month follows a fairly predictable daily temperature pattern. With lows around 26°C (79°F), the nights are warm enough that a sheet is usually all you need for bedding.If you're looking for dry conditions and comfortable temperatures, September may not be the ideal month to visit Ko Kut. Our weather planner can help you explore destinations with more pleasant weather conditions.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Thailand, check out our Ko Kut's climate page.
Ko Kut Temperature in September
Daily Historical Temperatures
48-year average (1976-2025)
Based on our historical records, temperatures in Ko Kut typically stay consistent throughout September, with daily highs averaging around 29°C (84°F). Nights are warm, with lows around 25°C (77°F).
Average temperatures in September
Daily Historical Precipitation
48-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather for Ko Kut in September
Browse day-by-day weather records for Ko Kut spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Ko Kut historical weather extremes in September
According to our 30 years of weather records for Ko Kut, the following extremes were recorded between 1995 and 2025.
- The hottest September day on record in Ko Kut reached 35°C (95°F) (September 26, 2019).
- On September 14, 2004, Ko Kut saw its coldest September day with temperatures maxing out at 25°C (77°F).
- Nighttime temperatures dropped to 22°C (72°F) on September 7, 2014, marking the coldest September night on record.
- The heaviest September precipitation occurred on September 4, 2009, when 359 mm (14 in) of precipitation fell.
Best Places in Thailand in September
Find out more about the weather in Thailand and which places have the best travel conditions in this month. See all of Thailand in September →
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What to Wear in Ko Kut in September
Warm temperatures in September make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Heavy rain is guaranteed, please bring a good poncho and waterproof everything!What To Do in Ko Kut in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Thailand, check out our Ko Kut's climate page.
See the full Ko Kut climate overview or explore weather in Thailand.