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Weather in Phayao for September 2025

Your guide to Phayao weather in September - trends and predictions
  • In general, the average temperature in Phayao at the beginning of September is 30.6 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 28.3 °C by the end of September.

  • Phayao experiences an exceptionally high level of rainfall in September, with more than 24 rainy days on average.

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

  • New! Chat with our AI weatherman - it’s amazing and free.
Average dry days
2
Dry days
Average rainy days
28
Rainy days
Average snowy days
0
Snow days
Average temperatures
28°/20°
Temperatures
Average wind speed
6 km/h
Avg max wind
Average humidity
91 %
Avg humidity

Phayao in September average weather

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Temperatures trend during September in Phayao

See the weather trend as well as the moving average line
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September weather day by day

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Date Weather Temperatures Rain UV More
1 Sept. Patchy light rain with thunder
Patchy light rain with thunder
30° /21° 14.5 mm 7
2 Sept. Patchy light rain with thunder
Patchy light rain with thunder
29° /20° 9.2 mm 6
3 Sept. Patchy light rain with thunder
Patchy light rain with thunder
32° /20° 2.6 mm 7
4 Sept. Patchy light rain with thunder
Patchy light rain with thunder
32° /22° 4.3 mm 7
5 Sept. Patchy light rain with thunder
Patchy light rain with thunder
30° /22° 22.8 mm 7
6 Sept. Light rain shower
Light rain shower
30° /21° 26.2 mm 7
7 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
31° /20° 12.9 mm 7
8 Sept. Patchy light rain with thunder
Patchy light rain with thunder
28° /20° 22.6 mm 6
9 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
26° /20° 30.6 mm 6
10 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
26° /20° 13.9 mm 6
11 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
27° /19° 9.2 mm 6
12 Sept. Fog
Fog
28° /20° 3.6 mm 6
13 Sept. Fog
Fog
26° /20° 3.1 mm 6
14 Sept. Fog
Fog
27° /20° 7.1 mm 6
15 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
29° /19° 8 mm 7
16 Sept. Light rain shower
Light rain shower
29° /20° 11.5 mm 7
17 Sept. Light rain shower
Light rain shower
29° /20° 15.5 mm 7
18 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
27° /19° 19 mm 6
19 Sept. Light rain shower
Light rain shower
28° /19° 4.1 mm 6
20 Sept. Light rain shower
Light rain shower
28° /19° 5.9 mm 6
21 Sept. Patchy light rain with thunder
Patchy light rain with thunder
29° /19° 8.3 mm 7
22 Sept. Patchy light rain with thunder
Patchy light rain with thunder
28° /19° 7.7 mm 7
23 Sept. Fog
Fog
28° /20° 45.3 mm 6
24 Sept. Patchy light rain with thunder
Patchy light rain with thunder
28° /19° 11.8 mm 6
25 Sept. Patchy light rain with thunder
Patchy light rain with thunder
29° /19° 5.4 mm 7
26 Sept. Fog
Fog
29° /19° 6.5 mm 7
27 Sept. Light rain shower
Light rain shower
29° /20° 9.2 mm 7
28 Sept. Light rain shower
Light rain shower
28° /19° 14.7 mm 7
29 Sept. Light rain shower
Light rain shower
28° /20° 9.1 mm 7
30 Sept. Light rain shower
Light rain shower
27° /20° 11.4 mm 6
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Important Notice
Our weather forecast for Phayao 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 Phayao forecast closer to your planned date for the most up-to-date weather information.

Phayao in September - FAQ

What are the expected maximum and minimum temperatures in Phayao during September?
During September, expect a variety of temperatures with highs around 28° and lows near 20°, suitable for diverse activities and preferences.
How much rainfall should be expected in Phayao during September?
Significant rainfall exceeding 352.4 mm is expected in Phayao during September, occurring over more than 28 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Phayao during September?
The average wind speed in Phayao during September is 6 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to Phayao in September?

As you prepare for your trip to Phayao 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 Phayao, 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
  • 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 Phayao

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

UV exposure in Phayao during September

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

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Location coordinates Where is Phayao?

Get accurate weather forecasts for Phayao, located at latitude 19.192 and longitude 99.879. Stay updated with localized weather information tailored for Phayao.

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