Ko Samui Weather Conditions
Current Temperature Level
27 °C
51 AQI
Air quality index is: Moderate
Last Updated: 2025-09-14 02:45 (Local Time)
MapKo Samui
Ko Samui Weather Parameters
20 km/h
8 m/s
244° WSW
100 %
10 km
2 mm
1009 mb
UV Index0
Suggestions for
SaturdayKo Samui13 Sep.
Umbrella• Umbrella Needed
Clothing• Breathable
Driving• Avoid Driving
Sunscreen• ApplyTrending in Thailand
India Floods 2025: How Waterlogging Is Creating a Hidden Air Pollution Crisis?
Ko Samui 10-Days Weather Forecast
Today
28°C
76 %Sunday
27°C81 %Monday
28°C76 %Tuesday
27°C79 %Wednesday
28°C74 %Thursday
28°C76 %Friday
28°C74 %Saturday
29°C68 %Sunday
29°C71 %Monday
28°C72 %Heavy rain
Constant heavy rain throughout the day with a high of 28 °C with humidity at 76%.29°C / 26°C
Humi.76 %
Prec.21.83 mm
Sunrise
06:10 AM12hrs 11min
Sunset
06:21 PMTime
Condition
Temp
Humidity
UV
Wind Speed & Dir.
12 AM
Light rain shower
29 °C
75 %
0
18.4 kmph / SW
Light rain shower
Feels 32.8 °C
Cover 75 %
Visibility 10 km
1 AM
Moderate or heavy rain shower
28 °C
78 %
0
13 kmph / SW
Moderate or heavy rain showerFeels 31.7 °C
Cover 69 %
Visibility 7 km
2 AM
Moderate or heavy rain shower
27 °C
80 %
0
5.4 kmph / W
Moderate or heavy rain showerFeels 30.3 °C
Cover 70 %
Visibility 7 km
3 AM
Light rain shower
26 °C
86 %
0
10.4 kmph / NW
Light rain showerFeels 29.1 °C
Cover 77 %
Visibility 10 km
4 AM
Light rain shower
26 °C
83 %
0
9.7 kmph / NNW
Light rain showerFeels 29.6 °C
Cover 70 %
Visibility 10 km
5 AM
Patchy rain nearby
26 °C
82 %
0
8.6 kmph / NW
Patchy rain nearbyFeels 29.3 °C
Cover 64 %
Visibility 10 km
6 AM
Partly Cloudy
27 °C
81 %
0
10.1 kmph / WNW
Partly Cloudy Feels 29.6 °C
Cover 49 %
Visibility 10 km
7 AM
Partly Cloudy
27 °C
78 %
0.1
8.6 kmph / W
Partly Cloudy Feels 29.9 °C
Cover 47 %
Visibility 10 km
8 AM
Partly Cloudy
27 °C
77 %
0.7
6.8 kmph / WNW
Partly Cloudy Feels 30.2 °C
Cover 43 %
Visibility 10 km
9 AM
Patchy rain nearby
27 °C
76 %
3.4
6.5 kmph / WNW
Patchy rain nearbyFeels 30.4 °C
Cover 57 %
Visibility 10 km
10 AM
Patchy rain nearby
27 °C
77 %
7.5
4.7 kmph / W
Patchy rain nearbyFeels 30.8 °C
Cover 70 %
Visibility 9 km
11 AM
Patchy rain nearby
28 °C
76 %
11.1
6.1 kmph / W
Patchy rain nearbyFeels 31.1 °C
Cover 82 %
Visibility 9 km
12 PM
Patchy rain nearby
28 °C
76 %
13.4
6.1 kmph / W
Patchy rain nearbyFeels 31 °C
Cover 73 %
Visibility 9 km
1 PM
Light rain shower
28 °C
75 %
13
6.5 kmph / WSW
Light rain showerFeels 31 °C
Cover 80 %
Visibility 10 km
2 PM
Light rain shower
28 °C
71 %
9.8
7.2 kmph / WSW
Light rain showerFeels 31.5 °C
Cover 54 %
Visibility 10 km
3 PM
Partly Cloudy
29 °C
70 %
6.3
10.8 kmph / SW
Partly Cloudy Feels 31.8 °C
Cover 52 %
Visibility 10 km
4 PM
Patchy rain nearby
29 °C
68 %
3.1
4.3 kmph / W
Patchy rain nearbyFeels 31.6 °C
Cover 79 %
Visibility 10 km
5 PM
Partly Cloudy
29 °C
69 %
0.7
6.1 kmph / WSW
Partly Cloudy Feels 31.9 °C
Cover 44 %
Visibility 10 km
6 PM
Patchy rain nearby
29 °C
70 %
0.1
9.4 kmph / W
Patchy rain nearbyFeels 32.5 °C
Cover 72 %
Visibility 10 km
7 PM
Light rain shower
29 °C
72 %
0
11.9 kmph / W
Light rain showerFeels 32.7 °C
Cover 64 %
Visibility 10 km
8 PM
Light rain shower
28 °C
77 %
0
15.5 kmph / W
Light rain showerFeels 31.9 °C
Cover 79 %
Visibility 10 km
9 PM
Light rain shower
28 °C
79 %
0
19.1 kmph / WSW
Light rain showerFeels 31.9 °C
Cover 51 %
Visibility 10 km
10 PM
Light rain shower
28 °C
78 %
0
16.9 kmph / WSW
Light rain showerFeels 31.5 °C
Cover 55 %
Visibility 10 km
11 PM
Light rain shower
28 °C
77 %
0
17.3 kmph / WSW
Light rain showerFeels 31.4 °C
Cover 61 %
Visibility 10 km
Today
28°C76 %Sunday
27°C81 %Monday
28°C76 %Tuesday
27°C79 %Wednesday
28°C74 %Thursday
28°C76 %Friday
28°C74 %Saturday
29°C68 %Sunday
29°C71 %Monday
28°C72 %Temp29 °C
ConditionLight rain shower
Humidity75 %
Feels32.8 °C
Cover75 %
Visibility10 km
Wind Speed & Dir.18.4 kmph / SW
UV0
Ko Samui 30-Days (September 2025) Weather Forecast
Sun.
Mon.
Tue.
Wed.
Thu.
Fri.
Sat.
1Mon.
29°27 °C
2Tue.
30°28 °C
3Wed.
29°28 °C
4Thu.
29°28 °C
5Fri.
30°28 °C
6Sat.
30°28 °C
7Sun.
29°28 °C
8Mon.
29°28 °C
9Tue.
29°27 °C
10Wed.
29°28 °C
11Thu.
28°28 °C
12Fri.
29°28 °C
13Sat.
28°26 °C
14Today
27°25 °C
15Mon.
28°26 °C
16Tue.
28°27 °C
17Wed.
29°27 °C
18Thu.
28°27 °C
19Fri.
29°28 °C
20Sat.
29°28 °C
21Sun.
29°28 °C
22Mon.
29°28 °C
23Tue.
28°28 °C
24Wed.
28°28 °C
25Thu.
28°28 °C
26Fri.
28°27 °C
27Sat.
29°27 °C
28Sun.
29°27 °C
29Mon.
29°27 °C
30Tue.
29°27 °C
SeptemberWeather Overview
No. of days:
Sunny
0
Cloudy
2
Rainy
28
Snowy
0
The monthly weather averages in Ko Samui consist of 0 sunny days, 2 cloudy days, 28 rainy days, and 0 snowy days.
Ko Samui's Locations Weather Conditions
Thailand's Hottest Cities - September 2025
1.
Pattaya City, Thailand
Light rain shower
84%
0
9.4 kmph / S
2.
Ban Suan, Thailand
Patchy rain nearby
84%
0
7.6 kmph / S
3.
Phanat Nikhom, Thailand
Light rain shower
84%
0
7.6 kmph / S
4.
Ban Laem Chabang, Thailand
Patchy light drizzle
84%
0
9 kmph / S
5.
Ban Bang Kaeo, Thailand
Partly cloudy
94%
0
8.3 kmph / SSW
6.
Ban Lam Sam Kaeo, Thailand
Partly cloudy
94%
0
7.2 kmph / SSW
7.
Nakhon Nayok, Thailand
Partly cloudy
94%
0
3.6 kmph / NW
8.
Ban Talat Rangsit, Thailand
Partly cloudy
94%
0
7.2 kmph / SSW
9.
Phra Pradaeng, Thailand
Partly cloudy
94%
0
7.2 kmph / SSW
10.
Phra Nakhon Si Ayutthaya, Thailand
Partly cloudy
94%
0
7.9 kmph / SSW
Last Updated: 13 Sept 2025, 08:16 PM
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