Swimming in Koh Chang in september 2025: Average sea temperature in september and tide times in september 2025

Average sea temperature in Koh Chang in september 2025.

In september, according to seasonal norms, the sea temperature in Koh Chang is:

Minimum: 84°F

Average: 85°F

Maximum: 85°F

Other useful seasonal weather averages in september:

  • Outside temperature: 79°F to 86°F
  • Most common weather: "Moderate rain at times"
  • The wind blows at 16.8mph
  • It rains a total of 18.2in, over 21 day(s).

Should we swim in Koh Chang in september?

Yes! The water temperature in Koh Chang in september is ideal

In september, swimming is ideal on the beaches around Koh Chang! With water reaching 85°F at most and 85°F on average, spending time in the water is very pleasant.

Note also that in september, the climate is bad with an average outside temperature of 83°F, 18.2in of precipitation (over 21 days) and 87.21 % humidity.

Water and normal seasonal temperatures in Koh Chang in september

September
Average sea temperature 85°F
Minimum sea temperature 84°F
Maximum sea temperature 85°F
Average outside temperature 83°F
Maximum outside temperature 86°F
Minimum outside temperature 81°F
Wind speed 7.5mph
Wind temperature 81°F
Precipitation 18.2in
Number of days of rain 21 jour(s)
(69%)
Humidity 88%
Visibility in kilometers 8.66km
Cloud cover 49%
Our opinion ideal swimming

Chart of the tides in september 2025

Tide times in september 2025 in Koh Chang

Swim elsewhere in Thailand in september

City Average T° Max. T° Our opinion
Bangkok in september84°F86°Fideal swimming
Chanthaburi in september85°F85°Fideal swimming
Hua Hin in september85°F86°Fideal swimming
Khao Lak national Park in september84°F86°Fideal swimming
Koh Lanta in september85°F87°Fideal swimming
Koh Phangan in september85°F87°Fideal swimming
Koh Phi Phi in september85°F87°Fideal swimming
Koh Tao in september85°F86°Fideal swimming
Krabi - Ao Nang in september84°F86°Fideal swimming
Pattaya in september85°F86°Fideal swimming
Ko Samet in september85°F86°Fideal swimming
Koh Kut (Koh Kood) in september85°F86°Fideal swimming
Trat in september85°F85°Fideal swimming
Koh Yao Noi in september84°F86°Fideal swimming
Koh Yao Yai in september84°F86°Fideal swimming
Railay beach in september85°F86°Fideal swimming
Cha-am in september85°F86°Fideal swimming

Swim in Thailand in september: sea temperature by city

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