Phayao
September
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 heavy rainfall in September, with over 20 rainy days and an average total precipitation 376 mm.
Is September a good time to visit Phayao? check out the best time to travel to Phayao page.
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Temperatures
Rain 🌧️
More
0
Dry days
30
Rainy days
0
Snow days
28°/20°
Temperatures
6 km/h
Avg max wind
91 %
Avg humidity
Phayao in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  30° | 2 29° | 3 32° | 4 32° | 5 30° | 6  30° | 7  31° |
| 8 28° | 9 26° | 10 26° | 11 27° | 12  28° | 13 26° | 14 27° |
| 15 29° | 16 29° | 17 29° | 18 27° | 19 28° | 20 28° | 21 29° |
| 22 28° | 23 28° | 24 28° | 25 29° | 26 29° | 27 29° | 28 28° |
| 29 28° | 30 27° |
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Temperatures trend during September in Phayao
See the weather trend as well as the moving average line
September weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. | Patchy light rain with thunder | 30° /21° | 14.5 mm | 7 | |
| 2 Sept. | Patchy light rain with thunder | 29° /20° | 9.2 mm | 6 | |
| 3 Sept. | Patchy light rain with thunder | 32° /20° | 2.6 mm | 7 | |
| 4 Sept. | Patchy light rain with thunder | 32° /22° | 4.3 mm | 7 | |
| 5 Sept. | Patchy light rain with thunder | 30° /22° | 22.8 mm | 7 | |
| 6 Sept. | Light rain shower | 30° /21° | 26.2 mm | 7 | |
| 7 Sept. | Moderate or heavy rain shower | 31° /20° | 12.9 mm | 7 | |
| 8 Sept. | Patchy light rain with thunder | 28° /20° | 22.6 mm | 6 | |
| 9 Sept. | Moderate or heavy rain shower | 26° /20° | 30.6 mm | 6 | |
| 10 Sept. | Moderate or heavy rain shower | 26° /20° | 13.9 mm | 6 | |
| 11 Sept. | Moderate or heavy rain shower | 27° /19° | 9.2 mm | 6 | |
| 12 Sept. | Fog | 28° /20° | 3.6 mm | 6 | |
| 13 Sept. | Fog | 26° /20° | 3.1 mm | 6 | |
| 14 Sept. | Fog | 27° /20° | 7.1 mm | 6 | |
| 15 Sept. | Moderate or heavy rain shower | 29° /19° | 8 mm | 7 | |
| 16 Sept. | Light rain shower | 29° /20° | 11.5 mm | 7 | |
| 17 Sept. | Light rain shower | 29° /20° | 15.5 mm | 7 | |
| 18 Sept. | Moderate or heavy rain shower | 27° /19° | 19 mm | 6 | |
| 19 Sept. | Light rain shower | 28° /19° | 4.1 mm | 6 | |
| 20 Sept. | Light rain shower | 28° /19° | 5.9 mm | 6 | |
| 21 Sept. | Patchy light rain with thunder | 29° /19° | 8.3 mm | 7 | |
| 22 Sept. | Patchy light rain with thunder | 28° /19° | 7.7 mm | 7 | |
| 23 Sept. | Fog | 28° /20° | 45.3 mm | 6 | |
| 24 Sept. | Patchy light rain with thunder | 28° /19° | 11.8 mm | 6 | |
| 25 Sept. | Patchy light rain with thunder | 29° /19° | 5.4 mm | 7 | |
| 26 Sept. | Fog | 29° /19° | 6.5 mm | 7 | |
| 27 Sept. | Light rain shower | 29° /20° | 9.2 mm | 7 | |
| 28 Sept. | Light rain shower | 28° /19° | 14.7 mm | 7 | |
| 29 Sept. | Light rain shower | 28° /20° | 9.1 mm | 7 | |
| 30 Sept. | 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 376 mm is expected in Phayao during September, occurring over more than 30 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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