Last updated: August 27, 2025
In Wiang Kaen, Thailand, the average temperature in September hovers around 27°C (81°F), creating a warm atmosphere perfect for outdoor adventures. Expect a minimum of 20°C (69°F) and a maximum of 35°C (96°F), so come prepared for a range of warmth. However, be ready for some rain, as precipitation averages 188 mm (7.4 in) over 23 days. With an average humidity of 85%, it's the perfect time to embrace the rich, tropical vibes!
In September, in Wiang Kaen, the average temperature is 27°C (81°F), with maximums reaching up to 35°C (96°F) and minimums dropping as low as 20°C (69°F). This makes Wiang Kaen an ideal destination for travelers looking to enjoy warm weather and pleasant conditions.
In Wiang Kaen in September, the precipitation amount is 188 mm (7.4 in) distributed over a span of 23 days.
In Wiang Kaen in September humidity is 85%. With an average temperature of 27°C (81°F), this humidity feels like a thick blanket enveloping you, making every step feel heavier as sweat clings to your skin and the air feels almost tangible, which can be quite challenging for traveling.
In Wiang Kaen in September, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Wiang Kaen, you can check here.
UV Risk Categories
Weather in Wiang Kaen varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Wiang Kaen, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 21°C (70°F) | 34 mm (1.3 inches) | 57% | very high |
| February Weather | 23°C (73°F) | 17 mm (0.7 inches) | 53% | very high |
| March Weather | 26°C (79°F) | 14 mm (0.5 inches) | 45% | extreme |
| April Weather | 27°C (81°F) | 156 mm (6.1 inches) | 39% | extreme |
| May Weather | 28°C (83°F) | 156 mm (6.1 inches) | 66% | extreme |
| June Weather | 28°C (83°F) | 227 mm (8.9 inches) | 79% | extreme |
| July Weather | 28°C (82°F) | 282 mm (11.1 inches) | 90% | extreme |
| August Weather | 27°C (81°F) | 349 mm (13.7 inches) | 92% | extreme |
| September Weather | 27°C (81°F) | 188 mm (7.4 inches) | 85% | extreme |
| October Weather | 26°C (79°F) | 130 mm (5.1 inches) | 72% | extreme |
| November Weather | 24°C (76°F) | 41 mm (1.6 inches) | 64% | very high |
| December Weather | 21°C (69°F) | 26 mm (1.0 inches) | 60% | very high |