Last updated: August 22, 2025
In Jianshan, China, the average temperature in September is a pleasant 18°C (65°F), making it an inviting destination. Expect temperatures to range from a minimum of 10°C (50°F) to a maximum of 27°C (82°F). However, be prepared for a rainy spell, as the region typically sees about 260 mm (10.2 in) of precipitation over 21 days. With an average humidity of 77%, the air can feel quite tropical, enhancing the lush surroundings.
In September in Jianshan, the average temperature is 18°C (65°F), with maximums reaching 27°C (82°F) and minimums dipping as low as 10°C (50°F). This mild weather makes it an ideal time for travelers to explore the beauty of Jianshan.
In Jianshan in September, the precipitation amount is 260 mm (10.2 in) spread over 21 days.
In Jianshan in September humidity is 77%. With an average temperature of 18°C (65°F), this humidity feels like a warm embrace that's both refreshing and slightly stifling, making it essential for travelers to stay hydrated and take frequent breaks to enjoy the vibrant surroundings without feeling overly fatigued.
In Jianshan in September, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Jianshan.
UV Risk Categories
Weather in Jianshan varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Jianshan, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 1°C (34°F) | 51 mm (2.0 inches) | 72% | moderate |
| February Weather | 3°C (37°F) | 67 mm (2.6 inches) | 76% | high |
| March Weather | 8°C (47°F) | 108 mm (4.3 inches) | 87% | very high |
| April Weather | 12°C (55°F) | 157 mm (6.2 inches) | 82% | extreme |
| May Weather | 16°C (61°F) | 185 mm (7.3 inches) | 83% | extreme |
| June Weather | 20°C (68°F) | 288 mm (11.3 inches) | 84% | extreme |
| July Weather | 22°C (72°F) | 368 mm (14.5 inches) | 87% | extreme |
| August Weather | 22°C (72°F) | 277 mm (10.9 inches) | 85% | extreme |
| September Weather | 18°C (65°F) | 260 mm (10.2 inches) | 77% | extreme |
| October Weather | 13°C (55°F) | 158 mm (6.2 inches) | 81% | very high |
| November Weather | 8°C (46°F) | 70 mm (2.8 inches) | 86% | high |
| December Weather | 2°C (37°F) | 41 mm (1.6 inches) | 81% | moderate |