World Resorts Thailand Rayong Weather

Rayong weather in September

Weather in Rayong: September

Average day temperature: 87.0°F
Average night temperature: 80.9°F
Sea water temperature: 84.6°F
Number of sunny days: 4 days
Day length: 12.0 - 12.4 hours
Number of rainy days: 15 days
Precipitation totals: 10.2 in.

Air temperature in September, °F

Show year:
2026
2025
2024

The highest day temperature during September of 2026 was 93°F. At the same time the lowest night temperature was 75°F. Daily and nightly averages during September were 86.5°F and 78.3°F.

Sea water temperature in Rayong in September, °F

Show year:
2026
2025
2024

The average sea water temperature in September of 2026 was 85.1°F. The highest and lowest sea temperatures during the month were 86.2°F and 84.4°F.

Sunny, partly cloudy and cloudy days

Mostly all days in September are cloudy but sunny and partly cloudy days are also possible.

Precipitation total in September, in.

Precipitation total value in Rayong in September is 10.2 in. Other months of the year show relatively similar values.

Wind speed in September, mph

The average wind speed value in September is 8.7 mph

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 3.7.

Best time for vacation in Rayong

Sunniest months:
January 23 days
December 22 days
March 20 days
Warmest months:
May 90.6 °F
April 90.6 °F
June 88.9 °F
Warmest sea temp:
May 87.8 °F
April 87.1 °F
June 86.3 °F
Coldest months:
December 86.6 °F
September 87.0 °F
January 87.3 °F
Rainiest months:
September 15 days
July 14 days
June 14 days
Windiest months:
July 11.5 mph
June 10.9 mph
August 10.9 mph

Rayong on a weather map

Rayong
+79°F
SW 6 mph
Feels like: +84°F
Precip.: 23%
Places in Thailand:
Name
°F
+82°F
+81°F
+81°F
+81°F
+82°F
+82°F
+81°F
+84°F
+77°F
+82°F
+81°F
+84°F
+81°F
24 Hours Forecast
Rayong
Local time: 00:38
October 10, saturday
0300
79°F
SW
4 mph
0600
77°F
SW
5 mph
0900
84°F
SW
11 mph
1200
90°F
SW
9 mph
1500
86°F
NW
2 mph
1800
82°F
N
2 mph
2100
81°F
W
1 mph
October 11, sunday
0000
79°F
SW
3 mph
Units of measurement: °C / °F