Last updated: August 22, 2025
In Hong'an, China, the average temperature in September hovers around 16°C (60°F). Expect a minimum chill of 2°C (36°F), while the mercury can rise to a maximum of 31°C (88°F). Be prepared for some rain, as 94 mm (3.7 in) of precipitation typically falls over about 9 days. With an average humidity of 82%, it’s a month that invites both cozy indoors and lively outdoor adventures!
In September in Hong'an, the average temperature is 16°C (60°F). Maximums can reach 31°C (88°F) and minimums can be as low as 2°C (36°F). This range makes it an ideal time to explore the outdoors while being prepared for varying weather conditions.
In Hong'an in September, the precipitation amount reaches 94 mm (3.7 in) over the course of 9 days.
In Hong'an in September humidity is 82%. With an average temperature of 16°C (60°F), this humidity feels like walking through a warm, thick blanket that clings to your skin, making every step feel heavier and travel more exhausting.
In Hong'an 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 Hong'an, you can refer to this Hourly UV Index in Hong'an.
UV Risk Categories
Weather in Hong'an varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Hong'an, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -17°C (2°F) | 2 mm (0.1 inches) | 70% | low |
| February Weather | -13°C (10°F) | 4 mm (0.2 inches) | 60% | moderate |
| March Weather | -1°C (30°F) | 5 mm (0.2 inches) | 60% | moderate |
| April Weather | 8°C (46°F) | 25 mm (1.0 inches) | 57% | high |
| May Weather | 16°C (60°F) | 37 mm (1.4 inches) | 58% | high |
| June Weather | 21°C (69°F) | 93 mm (3.7 inches) | 76% | very high |
| July Weather | 25°C (77°F) | 152 mm (6.0 inches) | 84% | very high |
| August Weather | 21°C (70°F) | 149 mm (5.9 inches) | 85% | very high |
| September Weather | 16°C (60°F) | 94 mm (3.7 inches) | 82% | high |
| October Weather | 6°C (44°F) | 19 mm (0.8 inches) | 77% | moderate |
| November Weather | -5°C (23°F) | 8 mm (0.3 inches) | 61% | low |
| December Weather | -15°C (5°F) | 4 mm (0.1 inches) | 62% | low |