Swimming in Koh Yao Yai in september 2025: Average sea temperature in september and tide times in september 2025
Average sea temperature in Koh Yao Yai in september 2025.
In september, according to seasonal norms, the sea temperature in Koh Yao Yai is:
Minimum: 83°F
Average: 84°F
Maximum: 86°F
Other useful seasonal weather averages in september:
- Outside temperature: 81°F to 84°F
- Most common weather: "Moderate rain at times"
- The wind blows at 17.4mph
- It rains a total of 15.7in, over 17 day(s).
Should we swim in Koh Yao Yai in september?
Yes! The water temperature in Koh Yao Yai in september is ideal
In september, swimming is ideal on the beaches around Koh Yao Yai! With water reaching 86°F at most and 84°F on average, spending time in the water is very pleasant.
Note also that in september, the climate is tolerable with an average outside temperature of 83°F, 15.7in of precipitation (over 17 days) and 79.44 % humidity.
Water and normal seasonal temperatures in Koh Yao Yai in september
| September | |||
| Average sea temperature | 84°F | ||
| Minimum sea temperature | 83°F | ||
| Maximum sea temperature | 86°F | ||
| Average outside temperature | 83°F | ||
| Maximum outside temperature | 85°F | ||
| Minimum outside temperature | 83°F | ||
| Wind speed | 13.1mph | ||
| Wind temperature | 83°F | ||
| Precipitation | 15.7in | ||
| Number of days of rain | 17 jour(s) (58%) | ||
| Humidity | 80% | ||
| Visibility in kilometers | 8.93km | ||
| Cloud cover | 45% | ||
| Our opinion | ideal swimming |
Chart of the tides in september 2025
Tide times in september 2025 in Koh Yao Yai
Swim elsewhere in Thailand in september
| City | Average T° | Min. T° | Max. T° | Our opinion | Bangkok in september | 84°F | 86°F | ideal swimming | Chanthaburi in september | 85°F | 85°F | ideal swimming | Hua Hin in september | 85°F | 86°F | ideal swimming | Khao Lak national Park in september | 84°F | 86°F | ideal swimming | Koh Chang in september | 85°F | 85°F | ideal swimming | Koh Lanta in september | 85°F | 87°F | ideal swimming | Koh Phangan in september | 85°F | 87°F | ideal swimming | Koh Phi Phi in september | 85°F | 87°F | ideal swimming | Koh Tao in september | 85°F | 86°F | ideal swimming | Krabi - Ao Nang in september | 84°F | 86°F | ideal swimming | Pattaya in september | 85°F | 86°F | ideal swimming | Ko Samet in september | 85°F | 86°F | ideal swimming | Koh Kut (Koh Kood) in september | 85°F | 86°F | ideal swimming | Trat in september | 85°F | 85°F | ideal swimming | Koh Yao Noi in september | 84°F | 86°F | ideal swimming | Railay beach in september | 85°F | 86°F | ideal swimming | Cha-am in september | 85°F | 86°F | ideal swimming |