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Trat in September: Weather, Average temperature and Climate

Discover the weather for Trat in September and if it’s a good time to travel (based on historical data).
Check flight prices to Trat on Avionero:
September

Weather in Trat in September 2025

OK Weather
Warm
🌧️
Rainy
September could be a good time to visit Trat, as the weather is generally fine. The average high temperature is around +84°F, and there are typically 0 sunny days in September. However, expect about 30 rainy days, and total monthly rainfall of approximately 545 mm. The weather is changeable so pack for every eventuality. Search flights in one click on Avionero.
Good to know:
  • September is usually the wettest month of the year in Trat;

Average weather

☀️
+84°F
Avg. max. temperature
+72°F
Min.
+91°F
Max.
545 mm
Total precipitation
86%
Avg. humidity
2 m/s
Avg. wind
0 ☀️
Sunny Days
0 ⛅️
Cloudy
30 🌦
Rainy
Our opinion: Trat has OK weather in September.

Average temperature in Trat in September

Here are the expected maximum, average and minimum temperatures in Trat for September based on the historical data.
Last Year
Historical Data

The expected average maximum temperature in September is +84°F with a maximum of +88°F and a minimum of +77°F.

The average maximum temperature goes up 17% by the end of the month, compared with the beginning of the month, from +84°F to +86°F.

Is Trat warm or cold in September?

Trat is typically warm in September.

Maximum temperatures go up compared to the previous month from +84°F to +84°F. The minimum temperature also goes up from +77°F to +77°F.

It’s generally warm, but pack a long-sleeve shirt for evenings.

Take a look at how September is compared to other months in Trat:

Climate in Trat in September

Trat weather looks like this, on average, in September and the surrounding months.
AugustSeptemberOctober
Avg. temperature
+84°F+84°F+86°F
Min. temperature
+73°F+72°F+72°F
Max. temperature
+90°F+91°F+95°F
Rainfall
642 mm545 mm289 mm
Wind
3 m/s2 m/s1 m/s
Humidity
86%86%83%
Air pressure
1007 HPa1008 HPa1009 HPa
Sunny days
000
Cloudy days
003
Rainy days
313028
Snowy days
000

September weather is still as ok as in August. The temperature levels stay the same in the area of +84°F for average maximum temperature during the day. As September arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 642 mm to 545 mm. Humidity levels don’t change as the month goes on, averaging around 86%. Winds are calmer in comparison to August, going down from 3 m/s to 2 m/s on average. The amount of sunny days stay about the same, averaging 0 sunny days during the month.

October brings much the same weather, it remains ok.

Wind

Wind speed in Trat in September based on historical data.
Last Year
Historical Data

The average wind speed is 1 m/s getting up to 4 m/s which is a light breeze; barely moving the tree leaves.

The average wind speed in Trat is gradually decreasing during September, going from 2 m/s to 0 m/s over the course of the month.

Rain

Amount of rainfall in mm during September in Trat based on historical data.
Last Year
Historical Data
Total precipitation in September is about 645 mm, with a 100% chance of rain on a typical day. The maximum amount of rainfall per day is around 69 mm, which is considered heavy rain. September is a pretty wet month with over 30 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
Here’s how September is compared with other months in the amount of precipitation, total mm:
Trat wettest month is July, where a typical day has a 100% chance of precipitation and 655 mm of rainfall per day. December, on the other hand, is the driest month with a mere 26% chance of precipitation and 17 mm of rainfall per day.

How was the weather last September in Trat?

This is the weather in Trat in September 2023:
1 September
🌧️
+84°F
2 September
🌧️
+85°F
3 September
🌧️
+85°F
4 September
🌧️
+85°F
5 September
🌧️
+84°F
6 September
🌧️
+86°F
7 September
🌧️
+84°F
8 September
🌧️
+85°F
9 September
🌧️
+85°F
10 September
🌧️
+83°F
11 September
🌧️
+86°F
12 September
🌧️
+82°F
13 September
🌧️
+86°F
14 September
🌧️
+85°F
15 September
🌧️
+81°F
16 September
🌧️
+85°F
17 September
🌧️
+85°F
18 September
🌧️
+84°F
19 September
☁️
+87°F
20 September
☁️
+87°F
21 September
🌧️
+86°F
22 September
🌧️
+86°F
23 September
☁️
+84°F
24 September
☁️
+84°F
25 September
🌧️
+86°F
26 September
🌧️
+82°F
27 September
🌧️
+81°F
28 September
🌧️
+82°F
29 September
☁️
+86°F
30 September
☁️
+85°F
In September 2023 Trat had 0 sunny days, 6 cloudy days, and 24 rainy days. The average maximum temperature was +84°F, with an absolute maximum of +88°F and a minimum of +81°F. The average humidity was 91%, with a maximum of 100% and a minimum of 73%. The average wind speed was 1 m/s, with a maximum of 5 m/s and a minimum of 0 m/s.
Are you planning a trip in September?

Climate Change Over the Years

This is how Trat climate has changed over the last 43 years.

The climate in Trat in September has not changed that much over the last 43 years.

The average temperature was the lowest in 1999 (+84°F) and the highest in 2020 (+89°F). The driest year was 2010 with only 2739 mm of rainfall, and the wettest year was 1999 with 4232 mm.

FAQ

Frequently asked questions about the weather in Trat in September:

Is September a good time to visit Trat?

It’s always a good time to visit Trat, but the weather is changeable in September, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.

Can you sunbathe in Trat in September?

September is warm in Trat. You may enjoy some beach or pool time in the day, but pack something a tad warmer for the evening.

Is Trat rainy in September?

Trat is often rainy in September. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Trat in September?

Usually, it’s not very sunny in Trat in September, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Other cities in Thailand

Check out the weather for other cities in Thailand.

Monthly weather in Trat

Source of the data

For this page, we’ve looked at the typical weather in Trat, based on historical hourly weather data from January 1, 1979, to December 31, 2023.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.