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Chumphon weather in September

Weather in Chumphon: September

Average day temperature: 87.0°F
Average night temperature: 76.9°F
Sea water temperature: 84.1°F
Number of sunny days: 4 days
Day length: 12.0 - 12.3 hours
Number of rainy days: 10 days
Precipitation totals: 5.3 in.

Air temperature in September, °F

Show year:
2025
2024
2023

The highest day temperature during September of 2025 was 88°F. At the same time the lowest night temperature was 75°F. Daily and nightly averages during September were 83.9°F and 77.0°F.

Sea water temperature in Chumphon in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 83.9°F. The highest and lowest sea temperatures during the month were 84.6°F and 83.5°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 Chumphon in September is 5.4 in. Other months of the year show relatively similar values.

Wind speed in September, mph

The average wind speed value in September is 8.2 mph It makes September one of the most 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: 4.9.

Best time for vacation in Chumphon

Sunniest months:
March 21 days
April 20 days
January 17 days
Warmest months:
April 91.6 °F
May 91.1 °F
March 89.9 °F
Warmest sea temp:
May 87.3 °F
April 87.0 °F
June 85.5 °F
Coldest months:
December 85.3 °F
January 86.0 °F
November 86.2 °F
Rainiest months:
October 12 days
May 12 days
September 10 days
Windiest months:
July 8.8 mph
December 8.8 mph
August 8.7 mph

Chumphon on a weather map

Chumphon
+77°F
W 13 mph
Feels like: +82°F
Precip.: 100%
Places in Thailand:
Name
°F
+81°F
+81°F
+82°F
+82°F
+82°F
+82°F
+82°F
+82°F
+82°F
+82°F
+82°F
+82°F
+81°F
+81°F
24 Hours Forecast
Chumphon
Local time: 16:16
December 05, friday
1800
77°F
W
9 mph
2100
77°F
W
9 mph
December 06, saturday
0000
77°F
W
7 mph
0300
75°F
W
6 mph
0600
77°F
W
5 mph
0900
81°F
SW
6 mph
1200
82°F
W
9 mph
1500
82°F
SW
10 mph
Units of measurement: °C / °F