Last updated: August 28, 2025
In September, the average temperature in Bayanhongor, Mongolia hovers around 9°C (48°F). Expect a chilly minimum of -9°C (17°F) and a pleasant maximum of 25°C (77°F). With an average humidity of 68%, you'll find the air quite refreshing. Be prepared for occasional showers, as 20 mm (0.8 in) of precipitation is expected over 4 days.
In September in Bayanhongor, the average temperature is 9°C (48°F). The maximum can reach 25°C (77°F) and the minimum can be as low as -9°C (17°F). Be prepared for a wide range of temperatures and pack accordingly if you're planning to travel.
In Bayanhongor in September, the total precipitation amount is 20 mm (0.8 in) spread over a period of 4 days.
In Bayanhongor in September humidity is 68%. With average temperature 9°C (48°F), this humidity feels like a chilly dampness that clings to your skin, making it essential to dress in layers and carry an umbrella for unexpected drizzles, while the cool air refreshes your senses as you explore the sights.
In Bayanhongor 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 Bayanhongor.
UV Risk Categories
Weather in Bayanhongor varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Bayanhongor, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | -19°C (-2°F) | 2 mm (0.1 inches) | 89% | low |
February Weather | -15°C (5°F) | 4 mm (0.2 inches) | 81% | moderate |
March Weather | -6°C (22°F) | 10 mm (0.4 inches) | 72% | high |
April Weather | 3°C (38°F) | 14 mm (0.5 inches) | 69% | very high |
May Weather | 9°C (49°F) | 16 mm (0.6 inches) | 54% | very high |
June Weather | 15°C (59°F) | 27 mm (1.1 inches) | 60% | very high |
July Weather | 17°C (62°F) | 61 mm (2.4 inches) | 64% | very high |
August Weather | 14°C (58°F) | 63 mm (2.5 inches) | 65% | very high |
September Weather | 9°C (48°F) | 20 mm (0.8 inches) | 68% | high |
October Weather | -1°C (31°F) | 7 mm (0.3 inches) | 68% | moderate |
November Weather | -10°C (15°F) | 6 mm (0.2 inches) | 75% | moderate |
December Weather | -18°C (0°F) | 2 mm (0.1 inches) | 89% | low |