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Weather in Chumphon for September 2025

Your guide to Chumphon weather in September - trends and predictions

    Temperatures

  • Until now, September 2025 in Chumphon is slightly cooler than the historical average by -0.6 °C.

  • The forecast for the next days in Chumphon predicts temperatures to be around 29 °C, close to the historical average.

  • In general, the average temperature in Chumphon at the beginning of September is 28.3 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 29.1 °C by the end of September.

    • Rain 🌧️

  • Chumphon in September brings notable rainfall, with an average of 20 rainy days and a total precipitation of 145.9 mm.

    • More

  • Is September a good time to visit Chumphon? check out the best time to travel to Chumphon page.

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
10
Dry days
Average rainy days
20
Rainy days
Average snowy days
0
Snow days
Average temperatures
29°/25°
Temperatures
Average wind speed
20 km/h
Avg max wind
Average humidity
81 %
Avg humidity

Chumphon Weather September

Move between months or click on a day
August
October
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Light rain
28°
2
Moderate or heavy rain shower
26°
3
Light rain shower
27°
4
Light rain shower
27°
5
Patchy light rain with thunder
30°
6
Light rain shower
30°
7
Light rain shower
30°
8
Patchy rain possible
29°
9
Partly cloudy
30°
10
Patchy rain possible
31°
11
Patchy rain possible
31°
12
Patchy rain possible
31°
13
Patchy rain possible
30°
14
Light rain shower
28°
15
Light rain shower
28°
16
Moderate rain
29°
17
Patchy rain possible
31°
18
Moderate rain
28°
19
Patchy rain possible
25°
20
Patchy rain possible
29°
21
Patchy rain possible
32°
22
Partly cloudy
32°
23
Partly cloudy
31°
24
Moderate rain
27°
25
Patchy rain possible
25°
26
Patchy rain possible
25°
27
Partly cloudy
31°
28
Patchy rain possible
31°
29
Partly cloudy
32°
30
Cloudy
33°

Temperatures trend during September in Chumphon

See the weather trend as well as the moving average line

September weather in Chumphon day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Light rain
Light rain
 28° /24° 8.6 mm 6
2 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 26° /24° 28.1 mm 6
3 Sept. Light rain shower
Light rain shower
 27° /24° 4.1 mm 6
4 Sept. Light rain shower
Light rain shower
 27° /24° 5.1 mm 6
5 Sept. Patchy light rain with thunder
Patchy light rain with thunder
 30° /24° 1.3 mm 7
6 Sept. Light rain shower
Light rain shower
 30° /25° 3.1 mm 7
7 Sept. Light rain shower
Light rain shower
 30° /25° 0.4 mm 7
8 Sept. Patchy rain possible
Patchy rain possible
 29° /25° 1.6 mm 7
9 Sept. Partly cloudy
Partly cloudy
 30° /24° 3.1 mm 7
10 Sept. Patchy rain possible
Patchy rain possible
 31° /24° 1.1 mm 7
11 Sept. Patchy rain possible
Patchy rain possible
 31° /25° 0.7 mm 7
12 Sept. Patchy rain possible
Patchy rain possible
 31° /24° 5.3 mm 7
13 Sept. Patchy rain possible
Patchy rain possible
 30° /24° 4.9 mm 7
14 Sept. Light rain shower
Light rain shower
 28° /24° 8.5 mm 6
15 Sept. Light rain shower
Light rain shower
 28° /25° 10.2 mm 6
16 Sept. Moderate rain
Moderate rain
 29° /24° 5.9 mm 2.5
17 Sept. Patchy rain possible
Patchy rain possible
 31° /25° 0.1 mm 3.1
18 Sept. Moderate rain
Moderate rain
 28° /25° 8.7 mm 1.8
19 Sept. Patchy rain possible
Patchy rain possible
 25° /24° 4.3 mm 1.8
20 Sept. Patchy rain possible
Patchy rain possible
 29° /25° 3.3 mm 3.3
21 Sept. Patchy rain possible
Patchy rain possible
 32° /25° 0.3 mm 6
22 Sept. Partly cloudy
Partly cloudy
 32° /25° 0 mm 7
23 Sept. Partly cloudy
Partly cloudy
 31° /26° 0 mm 7
24 Sept. Moderate rain
Moderate rain
 27° /25° 5 mm 6
25 Sept. Patchy rain possible
Patchy rain possible
 25° /25° 3.1 mm 5
26 Sept. Patchy rain possible
Patchy rain possible
 25° /24° 1.5 mm 5
27 Sept. Partly cloudy
Partly cloudy
 31° /24° 0 mm 7
28 Sept. Patchy rain possible
Patchy rain possible
 31° /25° 0 mm 6
29 Sept. Partly cloudy
Partly cloudy
 32° /24° 0 mm 7
30 Sept. Cloudy
Cloudy
 33° /24° 0 mm 7
Next
Important Notice
Our weather forecast for Chumphon in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Chumphon forecast closer to your planned date for the most up-to-date weather information.
Change Month
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Chumphon weather in September vs August vs October

Compare September weather in Chumphon with the previous and following months. See how temperature, rainfall, wind, and other conditions change throughout the year to help you plan your visit.
AugustSeptemberOctober
WeatherPatchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Temperatures31°/25°29°/25°29°/24°
Rainfall93 mm146 mm236 mm
Wind15.8 km/h19.8 km/h12.9 km/h
Humidity77%81%83%
Rainy days17 days20 days31 days
Dry days14 days10 days0 days

Planning a trip to Chumphon? Discover the best time to visit

Chumphon in September - FAQ

What are the expected maximum and minimum temperatures in Chumphon during September?
During September, expect a variety of temperatures with highs around 29° and lows near 25°, suitable for diverse activities and preferences.
How much rainfall should be expected in Chumphon during September?
Significant rainfall exceeding 145.9 mm is expected in Chumphon during September, occurring over more than 20 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Chumphon during September?
The average wind speed in Chumphon during September is 20 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to Chumphon in September?

As you prepare for your trip to Chumphon in September, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Chumphon, during September, is comfortable and enjoyable, regardless of the weather conditions.

  • Clothing
    • Lightweight Clothing: T-shirts, blouses, shorts, skirts
    • Rain Gear: Lightweight, waterproof clothing
  • Footwear
    • Waterproof Shoes
    • Sandals/Flip-flops: Comfortable for warm climates
  • Accessories
    • Sunglasses: For sun protection
    • Sun Hats: Wide-brimmed hats for sun protection in warm weather
    • Umbrellas/Raincoats: For rainy days
  • Personal Items
    • Sunscreen: High SPF for sunny destinations
    • Lip Balm with SPF: To protect against chapped lips

September rainfall patterns in Chumphon

Explore the daily rainfall trends and prepare for Chumphons September weather 💧

UV exposure in Chumphon during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️

Quick links

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Location coordinates Where is Chumphon?

Get accurate weather forecasts for Chumphon, located at latitude 10.496 and longitude 99.18. Stay updated with localized weather information tailored for Chumphon.

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