Last updated: August 28, 2025
In September, the average temperature in Harhiraa, Mongolia hovers around 9°C (49°F), with extremes ranging from a chilly -10°C (15°F) to a warm 26°C (79°F). Expect about 50 mm (2.0 in) of precipitation over approximately 11 days, contributing to an average humidity of 70%. Be prepared for a mix of weather conditions this month!
In September, in Harhiraa, the average temperature is 9°C (49°F). Maximum temperatures can reach 26°C (79°F), while minimum temperatures can drop as low as -10°C (15°F). Be prepared for a wide range of temperatures, making it essential to pack for both warm and cold conditions while traveling.
In Harhiraa in September, the precipitation amount is 50 mm (2.0 in) over the course of 11 days.
In Harhiraa in September, humidity is 70%. With an average temperature of 9°C (49°F), this humidity feels like a chilly dampness that seeps into your bones, making it necessary to dress in layers and pack an umbrella for your travels.
In Harhiraa 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 Harhiraa, you can refer to this Hourly UV Index in Harhiraa.
UV Risk Categories
Weather in Harhiraa varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Harhiraa, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | -21°C (-6°F) | 4 mm (0.2 inches) | 94% | low |
February Weather | -17°C (2°F) | 9 mm (0.4 inches) | 88% | moderate |
March Weather | -8°C (18°F) | 16 mm (0.6 inches) | 80% | high |
April Weather | 3°C (37°F) | 28 mm (1.1 inches) | 71% | very high |
May Weather | 10°C (51°F) | 37 mm (1.5 inches) | 57% | very high |
June Weather | 16°C (61°F) | 66 mm (2.6 inches) | 56% | very high |
July Weather | 17°C (63°F) | 146 mm (5.7 inches) | 64% | very high |
August Weather | 15°C (60°F) | 89 mm (3.5 inches) | 68% | very high |
September Weather | 9°C (49°F) | 50 mm (2.0 inches) | 70% | high |
October Weather | 0°C (31°F) | 20 mm (0.8 inches) | 79% | moderate |
November Weather | -11°C (13°F) | 12 mm (0.5 inches) | 86% | moderate |
December Weather | -19°C (-2°F) | 3 mm (0.1 inches) | 95% | low |