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Weather in September
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Weather in September in Rayong Province

Are you planning a trip a to Rayong Province in September and wondering what kind of weather to expect? This page has all the details you need.

What is the weather like in Rayong Province in September?

Rayong Province is a region in Thailand. September in Rayong Province generally has very warm temperatures, with heavy precipitation.

Temperatures

You can expect very warm maximum daytime temperatures of around 30°C and nighttime temperatures around 26°C in Koh Samet. The temperatures cited for both day and night represent usual averages, but it's possible some days could be hotter. It's advisable to dress accordingly to handle the heat.

Precipitation

In September, precipitation varies across different areas. From heavy rainfall in Ban Chang with an average of 230 mm to heavy rainfall in Mae Pim with 354 mm. Based on our climate, it is the month with the most precipitation throughout the year in Koh Samet.

Average sunshine

Most areas experience a moderate amount of sunshine, with approximately 110 hours of sunlight expected in Koh Samet. This makes it neither too gloomy nor overly bright.

For specific regional insights in Rayong Province for September, refer to the map provided below. For an in-depth overview of the yearly weather conditions, do visit our Rayong Province climate page.

Where to go in Rayong Province in September

Find more information for the most popular destinations in the Rayong Province on the map below. Click on a destination dot for more detailes.

Weather conditions Weather
Temperatures
Precipitation
Map not visible? Whoops sorry! Please refresh the page.
Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

Popular destinations

What is the weather like in September for the 5 most popular destinations in Rayong Province?

Koh Samet

In September Koh Samet generally has very high temperatures with maximum daytime temperatures around 30°C, minimum nighttime temperatures around 26°C and heavy monthly rainfall. So on average the conditions are poor that month.

Koh Samet
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
30°C 
27°C 
115 hours 
233 mm 
16 days 
poor 
September September
30°C 
26°C 
110 hours 
322 mm 
19 days 
poor 
October   >> October
>>  
30°C 
26°C 
146 hours 
239 mm 
17 days 
poor 
Climate in Koh Samet

Rayong

In September Rayong generally has very high temperatures with maximum daytime temperatures around 31°C, minimum nighttime temperatures around 26°C and heavy monthly rainfall. So on average the conditions are poor that month.

Rayong
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
32°C 
26°C 
115 hours 
199 mm 
15 days 
unpleasant 
September September
31°C 
26°C 
110 hours 
308 mm 
18 days 
poor 
October   >> October
>>  
32°C 
25°C 
146 hours 
250 mm 
17 days 
poor 
Climate in Rayong

Ban Chang

In September Ban Chang generally has very high temperatures with maximum daytime temperatures around 32°C, minimum nighttime temperatures around 27°C and heavy monthly rainfall. So on average the conditions are poor that month.

Ban Chang
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
33°C 
27°C 
115 hours 
132 mm 
14 days 
tolerable 
September September
32°C 
27°C 
110 hours 
230 mm 
17 days 
poor 
October   >> October
>>  
32°C 
26°C 
146 hours 
235 mm 
17 days 
poor 
Climate in Ban Chang

Mae Pim

In September Mae Pim generally has very high temperatures with maximum daytime temperatures around 31°C, minimum nighttime temperatures around 26°C and heavy monthly rainfall. So on average the conditions are poor that month.

Mae Pim
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
31°C 
26°C 
58 hours 
283 mm 
19 days 
poor 
September September
31°C 
26°C 
55 hours 
354 mm 
20 days 
poor 
October   >> October
>>  
31°C 
25°C 
148 hours 
236 mm 
17 days 
poor 
Climate in Mae Pim

Ban Phe

In September Ban Phe generally has very high temperatures with maximum daytime temperatures around 31°C, minimum nighttime temperatures around 26°C and heavy monthly rainfall. So on average the conditions are poor that month.

Ban Phe
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
31°C 
27°C 
115 hours 
222 mm 
16 days 
poor 
September September
31°C 
26°C 
110 hours 
319 mm 
19 days 
poor 
October   >> October
>>  
31°C 
26°C 
146 hours 
239 mm 
17 days 
poor 
Climate in Ban Phe

Is your destination not in the list? Have a look at other destinations in Rayong Province, in Thailand.

Is September the best time to visit Rayong Province?

Given the typically poor weather conditions in Koh Samet, September may not be the ideal time to visit Rayong Province.

Generally speaking, the best visiting conditions can be found in January, February and December offering mostly perfect weather in Koh Samet. On the other hand, the months of May, June, July, August, September and October tend to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in Rayong Province. Interested in the weather conditions in a specific month? Select the month below.

  • January      
  • February      
  • March      
  • April      
  • May      
  • June      
  • July      
  • August      
  • September      
  • October      
  • November      
  • December      

    • Weather and climate has detailed information for every country in the world. Are you going to Thailand? Get detailed historical weather averages for many cities in Thailand.

    Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.