Last updated: August 28, 2025
In Tsagaan-Olom, Mongolia, the average temperature in September hovers around 11°C (52°F). However, be prepared for a range of conditions: temperatures can drop to a chilly -8°C (18°F) and soar to a warm 29°C (85°F). Expect a mild 12 mm (0.5 in) of precipitation over just 2 days, with an average humidity of 59%, creating a comfortable but variable climate.
In September in Tsagaan-Olom, the average temperature is 11°C (52°F), with maximums reaching 29°C (85°F) and minimums dipping as low as -8°C (18°F). This range of temperatures makes Tsagaan-Olom a destination where travelers should be prepared for both warm days and chilly nights.
In Tsagaan-Olom in September, the precipitation amount is 12 mm (0.5 in) over the course of 2 days.
In Tsagaan-Olom in September humidity is 59%. With an average temperature of 11°C (52°F), this humidity feels like a cool, crisp morning—refreshing yet slightly damp, making for a lively atmosphere perfect for exploring the local sights.
In Tsagaan-Olom in September, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Tsagaan-Olom.
UV Risk Categories
Weather in Tsagaan-Olom varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Tsagaan-Olom, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -18°C (0°F) | 3 mm (0.1 inches) | 98% | low |
| February Weather | -13°C (9°F) | 6 mm (0.2 inches) | 94% | moderate |
| March Weather | -4°C (26°F) | 5 mm (0.2 inches) | 88% | high |
| April Weather | 5°C (42°F) | 10 mm (0.4 inches) | 74% | very high |
| May Weather | 12°C (53°F) | 9 mm (0.4 inches) | 50% | very high |
| June Weather | 18°C (64°F) | 13 mm (0.5 inches) | 48% | very high |
| July Weather | 20°C (67°F) | 22 mm (0.9 inches) | 49% | very high |
| August Weather | 17°C (62°F) | 42 mm (1.7 inches) | 54% | very high |
| September Weather | 11°C (52°F) | 12 mm (0.5 inches) | 59% | high |
| October Weather | 1°C (34°F) | 8 mm (0.3 inches) | 67% | moderate |
| November Weather | -8°C (18°F) | 6 mm (0.2 inches) | 86% | moderate |
| December Weather | -17°C (2°F) | 3 mm (0.1 inches) | 96% | low |