Measurements:
°C
°F
Nai Harn Beach
84°F
SE 9 mph
Feels like: 90°F
Precip: 21%
World Resorts Thailand Nai Harn Beach Weather

7 Day Weather Forecast

09.11
fri
DAY
84°F
SE 12 mph
precip
71%
NIGHT
84°F
SE 9 mph
precip
21%
09.12
sat
DAY
86°F
SE 10 mph
precip
36%
NIGHT
80°F
SE 9 mph
precip
65%
09.13
sun
DAY
82°F
E 9 mph
precip
29%
NIGHT
78°F
E 8 mph
precip
66%
09.14
mon
DAY
82°F
NE 10 mph
precip
56%
NIGHT
80°F
E 7 mph
precip
72%
09.15
tue
DAY
86°F
E 6 mph
precip
25%
NIGHT
84°F
E 5 mph
precip
22%
09.16
wed
DAY
86°F
E 9 mph
precip
19%
NIGHT
82°F
NE 12 mph
precip
83%
09.17
thu
DAY
84°F
SE 25 mph
precip
69%
NIGHT
84°F
E 25 mph
precip
75%

Nai Harn Beach Sea Water Temperature in September, °F

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Nai Harn Beach was 28.9°F. The maximum and minimum values were 28.3°F and 29.2°F respectively.

Nai Harn Beach on the Weather Map

Best Time to Visit Nai Harn Beach
The most sunny months:
March 21 days
February 19 days
April 18 days
The most warm months:
April 92.2 °F
May 92.0 °F
March 92.0 °F
Warmest sea temperature:
May 90.7 °F
April 90.3 °F
June 89.8 °F
The most cold months:
September 89.3 °F
December 89.4 °F
January 89.4 °F
The most rainy months:
July 15 days
September 15 days
October 15 days
The most windy months:
July 11 mph
September 11 mph
August 11 mph