World Resorts Thailand Surat Thani Weather

Surat Thani Sea Temperature in September

Average sea water temperature in September:
+84.5°F
Minimum sea water temperature in September: 86.9°F
Maximum sea water temperature in September: 81.7°F

Daily sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 84.6°F. The highest and lowest sea temperatures during the month were 85.6°F and 84.0°F.

Monthly sea water temperature in Surat Thani, °F

Which Thailand resorts have warmest sea in September?

Place name September 2025 September 2024
Hat Yai 86.0°F 85.8°F
Narathiwat 85.9°F 85.7°F
Ko Li Pe 85.8°F 85.7°F
Pattani 85.5°F 85.6°F
Cha-am 85.2°F 86.0°F
Hua Hin 85.2°F 86.0°F
Lamai Beach 85.1°F 85.8°F
Taling Ngam Beach 85.0°F 85.5°F
Chaweng Beach 85.0°F 85.7°F
Bangkok 84.9°F 85.8°F
Samui 84.9°F 85.6°F
Koh Lan 84.9°F 86.0°F
Koh Lanta 84.9°F 84.7°F
Choeng Mon Beach 84.9°F 85.6°F
Mae Nam Beach 84.9°F 85.5°F
Bo Phut Beach 84.9°F 85.5°F
Krabi 84.8°F 85.1°F
Phi Phi 84.8°F 85.0°F
Pattaya 84.8°F 85.7°F
Ko Phangan 84.7°F 85.4°F

Best time for vacation in Surat Thani

Sunniest months:
March 24 days
February 20 days
April 20 days
Warmest months:
April 92.8 °F
March 91.6 °F
May 91.3 °F
Warmest sea temp:
May 87.2 °F
April 87.2 °F
June 85.9 °F
Coldest months:
December 85.0 °F
January 85.7 °F
November 86.2 °F
Rainiest months:
May 15 days
October 13 days
September 12 days
Windiest months:
December 7.8 mph
July 7.7 mph
August 7.4 mph

Surat Thani on a weather map

Surat Thani
+84°F
SW 9 mph
Feels like: +91°F
Precip.: 100%
Places in Thailand:
Name
°F
+79°F
+81°F
+84°F
+84°F
+81°F
+81°F
+81°F
+82°F
+84°F
+84°F
+81°F
+84°F
+81°F
+81°F
24 Hours Forecast
Surat Thani
Local time: 12:32
December 05, friday
1500
82°F
SW
10 mph
1800
79°F
W
9 mph
2100
77°F
W
8 mph
December 06, saturday
0000
75°F
NW
4 mph
0300
75°F
NW
3 mph
0600
75°F
NW
2 mph
0900
81°F
W
5 mph
1200
84°F
W
9 mph
Units of measurement: °C / °F