Last updated: August 28, 2025
In September, the average temperature in Tsagaanhayrhan, Mongolia hovers around 9°C (48°F). While you might experience chilly days with a minimum temperature dipping to -9°C (15°F), there's also the chance of warmth, with maximums reaching up to 28°C (82°F). Prepare for some wet weather too, as 50 mm (2.0 in) of precipitation is expected over about 8 days. The humidity averages around 65%, adding a touch of dampness to the air.
In September in Tsagaanhayrhan, the average temperature is 9°C (48°F), with maximums reaching 28°C (82°F) and minimums dropping as low as -9°C (15°F). Travelers should be prepared for a wide range of temperatures, bringing clothing suitable for both warm days and chilly nights.
In Tsagaanhayrhan in September, the total precipitation amount is 50 mm (2.0 in) spread over 8 days.
In Tsagaanhayrhan in September, humidity is 65%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill that can make outdoor activities less enjoyable, prompting the need for extra layers and a light jacket during your travels.
In Tsagaanhayrhan in September, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Tsagaanhayrhan, you can refer to this Hourly UV Index in Tsagaanhayrhan.
UV Risk Categories
Weather in Tsagaanhayrhan varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Tsagaanhayrhan, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -22°C (-7°F) | 3 mm (0.1 inches) | 92% | low |
| February Weather | -18°C (0°F) | 5 mm (0.2 inches) | 89% | moderate |
| March Weather | -8°C (17°F) | 13 mm (0.5 inches) | 80% | high |
| April Weather | 2°C (36°F) | 21 mm (0.8 inches) | 63% | high |
| May Weather | 9°C (49°F) | 32 mm (1.3 inches) | 52% | very high |
| June Weather | 15°C (60°F) | 56 mm (2.2 inches) | 52% | very high |
| July Weather | 17°C (62°F) | 112 mm (4.4 inches) | 58% | very high |
| August Weather | 15°C (58°F) | 96 mm (3.8 inches) | 63% | very high |
| September Weather | 9°C (48°F) | 50 mm (2.0 inches) | 65% | high |
| October Weather | -1°C (31°F) | 24 mm (0.9 inches) | 69% | moderate |
| November Weather | -11°C (12°F) | 12 mm (0.5 inches) | 77% | low |
| December Weather | -19°C (-2°F) | 5 mm (0.2 inches) | 90% | low |