September Weather in Heyan

Last updated: March 2, 2024

The weather in Heyan, China, during September is characterized by an average temperature of 22°C (73°F). Highs can soar to 33°C (91°F), while lows may dip to 15°C (60°F). Typically, the humidity level in Heyan throughout September hovers around 77%.

15°C (60°F)

Minimum temperature

22°C (73°F)

Average temperature

33°C (91°F)

Maximum temperature

77%

Humidity

Precipitation and Sunshine hours

In September, Heyan averages 167 mm (6.6 inches) of rainfall, typically over the course of 16 rainy days. The month enjoys an average of 12 hours 19 minutes of daylight, with the sun shining for approximately 7 hours 57 minutes each day. Additionally, there is a 42% probability of sunny days during this period.

167 mm (6.6 inches)

Precipitation

16 rainy days

Rainy days

7 hours 57 minutes

Sunshine hours

42%

Chance of sun

UV Index

In September, the UV Index in Heyan reaches a maximum of 11, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 10 minutes.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
  07:00 08:00 09:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00
UVI 1 2 4 6 9 11 11 10 7 4 2 1 0
Exposure Low Moderate High VeryHigh Extreme VeryHigh High Moderate Low
Time to burn 45 min 30 min 25 min 15 min 10 min 15 min 25 min 30 min 45 min

Compare Heyan's Climate with Cities Worldwide