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Udon Thani
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Weather in Udon Thani for September 2025

Your guide to Udon Thani weather in September - trends and predictions

    Temperatures

  • Until now, September 2025 in Udon Thani has been nearly identical to the historical average, with a temperature of 30.6 °C (showing only a slight deviation of 0 °C).

  • Expect cooler weather in the next days in Udon Thani with the forecast suggesting a temperature of 29.2 °C, lower than the historical average.

  • In general, the average temperature in Udon Thani at the beginning of September is 31.6 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 29.3 °C by the end of September.

    • Rain 🌧️

  • Udon Thani experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 353.6 mm.

    • More

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

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

Average dry days
0
Dry days
Average rainy days
30
Rainy days
Average snowy days
0
Snow days
Average temperatures
29°/23°
Temperatures
Average wind speed
10 km/h
Avg max wind
Average humidity
84 %
Avg humidity

Udon Thani Weather September

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

Temperatures trend during September in Udon Thani

See the weather trend as well as the moving average line

September weather in Udon Thani day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Light rain shower
Light rain shower
 32° /23° 9.8 mm 7
2 Sept. Patchy light rain with thunder
Patchy light rain with thunder
 32° /23° 13.6 mm 7
3 Sept. Light rain shower
Light rain shower
 32° /23° 14.5 mm 7
4 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 32° /24° 17.3 mm 7
5 Sept. Light rain shower
Light rain shower
 31° /24° 12.1 mm 7
6 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 31° /23° 13.5 mm 7
7 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 31° /23° 14.3 mm 7
8 Sept. Light rain shower
Light rain shower
 31° /23° 4.4 mm 7
9 Sept. Light rain shower
Light rain shower
 30° /23° 27.1 mm 7
10 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 29° /23° 21.9 mm 7
11 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 30° /23° 16.7 mm 7
12 Sept. Mist
Mist
 29° /23° 6.8 mm 6
13 Sept. Mist
Mist
 28° /24° 3.4 mm 6
14 Sept. Mist
Mist
 30° /23° 4.2 mm 6
15 Sept. Fog
Fog
 28° /23° 2 mm 6
16 Sept. Heavy rain
Heavy rain
 31° /23° 28.2 mm 2.4
17 Sept. Patchy rain possible
Patchy rain possible
 30° /24° 4.3 mm 2.2
18 Sept. Moderate rain
Moderate rain
 30° /23° 12.8 mm 1.7
19 Sept. Moderate rain
Moderate rain
 30° /23° 14.8 mm 2.6
20 Sept. Moderate rain
Moderate rain
 27° /23° 6.8 mm 1.8
21 Sept. Patchy rain possible
Patchy rain possible
 29° /23° 4.8 mm 6
22 Sept. Patchy rain possible
Patchy rain possible
 26° /23° 4.2 mm 5
23 Sept. Patchy rain possible
Patchy rain possible
 30° /24° 2.2 mm 6
24 Sept. Moderate rain
Moderate rain
 30° /24° 5.3 mm 6
25 Sept. Patchy rain possible
Patchy rain possible
 30° /24° 3.8 mm 6
26 Sept. Patchy rain possible
Patchy rain possible
 29° /23° 2.2 mm 6
27 Sept. Partly cloudy
Partly cloudy
 25° /22° 0 mm 6
28 Sept. Patchy rain possible
Patchy rain possible
 30° /21° 0.1 mm 5
29 Sept. Patchy rain possible
Patchy rain possible
 32° /22° 2.4 mm 6
30 Sept. Patchy rain possible
Patchy rain possible
 29° /24° 5.2 mm 7
Next
Important Notice
Our weather forecast for Udon Thani 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 Udon Thani forecast closer to your planned date for the most up-to-date weather information.
Change Month
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Udon Thani weather in September vs August vs October

Compare September weather in Udon Thani 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
Temperatures30°/24°29°/23°30°/22°
Rainfall327 mm354 mm156 mm
Wind9.2 km/h10 km/h9.6 km/h
Humidity82%84%78%
Rainy days29 days30 days25 days
Dry days2 days0 days6 days

Planning a trip to Udon Thani? Discover the best time to visit

Udon Thani in September - FAQ

What are the expected maximum and minimum temperatures in Udon Thani during September?
During September, expect a variety of temperatures with highs around 29° and lows near 23°, suitable for diverse activities and preferences.
How much rainfall should be expected in Udon Thani during September?
Significant rainfall exceeding 353.6 mm is expected in Udon Thani during September, occurring over more than 30 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Udon Thani during September?
The average wind speed in Udon Thani during September is 10 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to Udon Thani in September?

As you prepare for your trip to Udon Thani 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 Udon Thani, 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 Udon Thani

Explore the daily rainfall trends and prepare for Udon Thanis September weather 💧

UV exposure in Udon Thani during September

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

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Location coordinates Where is Udon Thani?

Get accurate weather forecasts for Udon Thani, located at latitude 17.416 and longitude 102.786. Stay updated with localized weather information tailored for Udon Thani.

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