Last updated: August 27, 2025
In September, the average temperature in Sai Ngam, Thailand hovers around 29°C (84°F), creating a warm atmosphere perfect for outdoor activities. Temperatures can dip to a minimum of 24°C (76°F) and soar to a maximum of 36°C (97°F), offering a wide range for comfort. However, be prepared for frequent showers, as precipitation averages 284 mm (11.2 in) over 25 days, paired with an average humidity level of 84%, contributing to a lush and vibrant environment.
In September in Sai Ngam, the average temperature is 29°C (84°F), with maximums reaching up to 36°C (97°F) and minimums dipping as low as 24°C (76°F). This warm climate makes Sai Ngam an ideal destination for those seeking a sunny getaway.
In Sai Ngam in September, the total precipitation amount is 284 mm (11.2 in) spread over 25 days.
In Sai Ngam in September, humidity is 84%. With an average temperature of 29°C (84°F), this humidity feels like a warm blanket enveloping you, making travel sticky and somewhat stifling, yet invigorating, as every step is accompanied by a gentle, humid embrace.
In Sai Ngam 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 Sai Ngam, you can check here.
UV Risk Categories
Weather in Sai Ngam varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Sai Ngam, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 26°C (78°F) | 19 mm (0.8 inches) | 51% | very high |
| February Weather | 27°C (81°F) | 19 mm (0.7 inches) | 48% | extreme |
| March Weather | 30°C (87°F) | 15 mm (0.6 inches) | 45% | extreme |
| April Weather | 31°C (88°F) | 93 mm (3.7 inches) | 49% | extreme |
| May Weather | 31°C (88°F) | 169 mm (6.6 inches) | 71% | extreme |
| June Weather | 30°C (86°F) | 246 mm (9.7 inches) | 84% | extreme |
| July Weather | 29°C (85°F) | 281 mm (11.1 inches) | 84% | extreme |
| August Weather | 29°C (84°F) | 366 mm (14.4 inches) | 87% | extreme |
| September Weather | 29°C (84°F) | 284 mm (11.2 inches) | 84% | extreme |
| October Weather | 28°C (83°F) | 179 mm (7.1 inches) | 71% | extreme |
| November Weather | 27°C (82°F) | 32 mm (1.3 inches) | 62% | very high |
| December Weather | 25°C (77°F) | 22 mm (0.9 inches) | 55% | very high |