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Pattaya weather in September

Weather in Pattaya: September

Average day temperature: 86.1°F
Average night temperature: 81.2°F
Sea water temperature: 84.9°F
Number of sunny days: 4 days
Day length: 12.0 - 12.4 hours
Number of rainy days: 12 days
Precipitation totals: 8.1 in.

Air temperature in September, °F

Show year:
2025
2024
2023

The highest day temperature during September of 2025 was 86°F. At the same time the lowest night temperature was 77°F. Daily and nightly averages during September were 83.5°F and 80.2°F.

Sea water temperature in Pattaya in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 84.8°F. The highest and lowest sea temperatures during the month were 85.3°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 Pattaya in September is 8.8 in. Other months of the year show relatively similar values.

Wind speed in September, mph

The average wind speed value in September is 9.3 mph It makes September one of the least windy months of the year.

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: 4.5.

Best time for vacation in Pattaya

Sunniest months:
January 22 days
December 22 days
March 21 days
Warmest months:
April 89.8 °F
May 89.6 °F
June 87.9 °F
Warmest sea temp:
May 87.5 °F
June 86.5 °F
April 86.4 °F
Coldest months:
December 84.9 °F
January 85.8 °F
September 86.1 °F
Rainiest months:
October 15 days
September 12 days
July 10 days
Windiest months:
July 11.3 mph
June 11.2 mph
August 10.5 mph

Pattaya on a weather map

Pattaya
+79°F
SW 12 mph
Feels like: +84°F
Precip.: 0%
Places in Thailand:
Name
°F
+75°F
+81°F
+81°F
+81°F
+81°F
+81°F
+79°F
+79°F
+81°F
+79°F
+79°F
+81°F
+81°F
+81°F
24 Hours Forecast
Pattaya
Local time: 10:21
December 05, friday
1200
84°F
SW
6 mph
1500
82°F
SW
9 mph
1800
81°F
S
5 mph
2100
77°F
S
10 mph
December 06, saturday
0000
77°F
S
7 mph
0300
77°F
SW
9 mph
0600
75°F
S
10 mph
0900
81°F
SW
11 mph
Units of measurement: °C / °F