September weather forecast
Sun Moon Lake, Taiwan

Sun Moon Lake in September experiences a gradual descent from the highs of summer. The UV index begins to reduce, indicating a declining potential for harm from unprotected sun exposure. The persistent rainy weather brings relief from the summer heat. The daylight hours start to recede and there is a slight drop in temperatures. Uniquely, September receives lower rainfall of 201mm (7.91") compared to the heavy deluge witnessed in the preceding monsoon months.

Temperature

With the advent of September, Sun Moon Lake's high-temperatures adjust to a still warm 27°C (80.6°F), closely aligning with the preceding month. Sun Moon Lake's nighttime temperature during September is consistently averaged at a pleasant 20°C (68°F).

Rainfall

In Sun Moon Lake, in September, it is raining for 17 days, with typically 201mm (7.91") of accumulated precipitation. In Sun Moon Lake, during the entire year, the rain falls for 208 days and collects up to 2046mm (80.55") of precipitation.

Daylight

In Sun Moon Lake, Taiwan, the average length of the day in September is 12h and 17min.
On the first day of September, sunrise is at 05:38 and sunset at 18:14. On the last day of the month, sunrise is at 05:47 and sunset at 17:44 CST.

Sunshine

In Sun Moon Lake, the average sunshine in September is 6h.

UV index

In September, the average daily maximum UV index is 11. A UV Index value of 11, and more, symbolizes an extreme threat to health from exposure to the Sun's UV radiation for the average person.
Note: The maximum UV index of 11 during September leads to these instructions:
Implement all necessary safeguards, unprotected skin might suffer burns rapidly. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Enhance your sun protection with tightly woven, yet airy clothing.