Last updated: August 22, 2025
In September, the average temperature in Yilong, China hovers around 15°C (59°F). Visitors can expect a pleasant range, with lows dipping to 1°C (33°F) and highs reaching up to 29°C (84°F). However, be prepared for some rain, as the area receives about 96 mm (3.8 in) of precipitation over 10 days, accompanied by an average humidity of 85%.
In September in Yilong, the average temperature is 15°C (59°F). Maximum temperatures can reach 29°C (84°F), while minimums can drop as low as 1°C (33°F). This diverse climate makes it an ideal time for travelers to experience a range of outdoor activities and enjoy the beauty of the season.
In Yilong in September, the total precipitation amount is 96 mm (3.8 in) over a span of 10 days.
In Yilong in September, humidity is 85%. With an average temperature of 15°C (59°F), this humidity feels like a warm, damp blanket wrapping around you, making traveling quite uncomfortable and sticky. Be prepared to take frequent breaks and stay hydrated as you navigate the lush, but humid environment.
In Yilong 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 Yilong, you can refer to this Hourly UV Index in Yilong.
UV Risk Categories
Weather in Yilong varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Yilong, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -19°C (-1°F) | 3 mm (0.1 inches) | 75% | low |
| February Weather | -14°C (7°F) | 5 mm (0.2 inches) | 70% | moderate |
| March Weather | -2°C (28°F) | 9 mm (0.4 inches) | 63% | moderate |
| April Weather | 7°C (45°F) | 31 mm (1.2 inches) | 59% | high |
| May Weather | 15°C (58°F) | 42 mm (1.6 inches) | 61% | high |
| June Weather | 20°C (68°F) | 103 mm (4.1 inches) | 79% | very high |
| July Weather | 24°C (76°F) | 139 mm (5.5 inches) | 84% | very high |
| August Weather | 20°C (69°F) | 157 mm (6.2 inches) | 87% | very high |
| September Weather | 15°C (59°F) | 96 mm (3.8 inches) | 85% | high |
| October Weather | 5°C (42°F) | 20 mm (0.8 inches) | 80% | moderate |
| November Weather | -6°C (22°F) | 15 mm (0.6 inches) | 61% | low |
| December Weather | -17°C (2°F) | 5 mm (0.2 inches) | 60% | low |