Measurements:
°C
°F
CURRENT WEATHER
08:04
Jomtien
86°F
SW 12 mph
Feels like: 90°F
Precip: 20%
World Resorts Thailand Jomtien Weather

7 Day Weather Forecast

09.13
sun
DAY
86°F
SW 15 mph
precip
29%
NIGHT
84°F
SW 14 mph
precip
22%
09.14
mon
DAY
80°F
N 14 mph
precip
75%
NIGHT
82°F
NE 14 mph
precip
84%
09.15
tue
DAY
82°F
NW 7 mph
precip
54%
NIGHT
88°F
NE 13 mph
precip
22%
09.16
wed
DAY
86°F
NE 4 mph
precip
8%
NIGHT
86°F
NE 14 mph
precip
70%
09.17
thu
DAY
88°F
E 9 mph
precip
18%
NIGHT
88°F
E 16 mph
precip
32%
09.18
fri
DAY
86°F
S 12 mph
precip
35%
NIGHT
84°F
SE 12 mph
precip
74%
09.19
sat
DAY
86°F
E 6 mph
precip
64%
NIGHT
86°F
E 16 mph
precip
76%

Jomtien Sea Water Temperature in September, °F

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Jomtien was 29.3°F. The maximum and minimum values were 29.0°F and 29.5°F respectively.

Jomtien on the Weather Map

Best Time to Visit Jomtien
The most sunny months:
January 22 days
December 22 days
March 21 days
The most warm months:
April 94.1 °F
May 93.8 °F
June 92.0 °F
Warmest sea temperature:
May 91.7 °F
June 90.6 °F
April 90.5 °F
The most cold months:
December 88.7 °F
January 89.6 °F
September 90.1 °F
The most rainy months:
October 14 days
September 12 days
July 9 days
The most windy months:
July 11 mph
June 11 mph
August 11 mph
more details