September weather forecastPenghu, Taiwan

September

Weather in September

September ushers in the onset of autumn and brings noticeable changes in the overall climate. September sees a welcome decrease in rainfall as compared to the preceding months, measuring approximately 137mm (5.39") over 12 days. Penghu enjoys an abundance of sunshine, keeping the sea suitably warm for swimming and other water activities. Due to shorter days and falling temperatures, it feels far from the sultry summer. Moving toward October, the weather continues with the downward trend in temperature.

Temperature

During September, Penghu records an average high-temperature of a still hot 31°C (87.8°F), marking a slight divergence from August's 32°C (89.6°F). Penghu, in September, observes a steady average low-temperature of 24°C (75.2°F).

Rainfall

In Penghu, in September, during 12 rainfall days, 137mm (5.39") of precipitation is typically accumulated. Throughout the year, in Penghu, there are 157 rainfall days, and 1552mm (61.1") of precipitation is accumulated.

Sea temperature

July through September, with an average sea temperature of 28°C (82.4°F), are months with the warmest seawater.
Note: Water temperatures between 25°C (77°F) and 29°C (84.2°F) are regarded as very warm, ensuring all water activities are pleasurable for extended periods without feeling uneasy.

Daylight

The average length of the day in September is 12h and 17min.
On the first day of the month, sunrise is at 05:43 and sunset at 18:19. On the last day of September, sunrise is at 05:53 and sunset at 17:50 CST.

Sunshine

In September, the average sunshine is 7h.

UV index

In Penghu, the average daily maximum UV index in September is 11. A UV Index value of 11, and more, symbolizes an ultimate health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: The daily high UV index of 11 in September translates into this advice:
Undertake every vital safety procedure, as unprotected skin and eyes could sustain burns in no time. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Even when the sky is cloudy, apply generously and frequently reapply a sunscreen with SPF 30 or more, especially post every swim or outdoor exercise. Warning! Sand and water reflections boost the intensity of UV exposure.

Updated: Aug 24, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The high-temperature during September is 31°C (87.8°F) and the low-temperature is 24°C (75.2°F).

In Penghu, during September, the rain falls for 12 days and regularly aggregates up to 137mm (5.39") of precipitation.

July through September, with an average sea temperature of 28°C (82.4°F), are months with the warmest seawater.

In Penghu, Taiwan, in September, the average water temperature is 28°C (82.4°F). For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

The average day length in September is 12h and 17min.

In September, on the first day of the month, sunrise is at 05:43 and sunset at 18:19. On the last day of the month, sunrise is at 05:53 and sunset at 17:50 CST.

In Penghu, the average sunshine duration in September is 7h.

In September, the average daily maximum UV index is 11. A UV Index estimate of 11, and higher, represents an extreme health threat from exposure to the Sun's UV radiation.

Today

Tomorrow

Long-term

Year J F M A M J J A September O N D

Aug

September

Oct

Average high temperature

32°C

31°C

29°C

Average low temperature

Average rainfall

Average rainfall days

Average sea temperature

Average daylight

Average sunshine

Average UV index

Average temperature in September
Penghu, Taiwan

Average high temperature in September: 31°C

The warmest months (with the highest average high temperature) are July and August (32°C).
The months with the lowest average high temperature are January and February (20°C).

Average low temperature in September: 24°C

The months with the highest average low temperature are July and August (25°C).
The coldest months (with the lowest average low temperature) are January and February (12°C).

Average rainfall in September
Penghu, Taiwan

Average rainfall in September: 137mm

The wettest month (with the highest rainfall) is August (314mm).
The driest month (with the least rainfall) is December (20mm).

Average rainfall days in September
Penghu, Taiwan

Average rainfall days in September: 12 days

The month with the highest number of rainy days is June (17 days).
The month with the least rainy days is October (10 days).

Average sea temperature in September
Penghu, Taiwan

Average sea temperature in September: 28°C

The best months for swimming (with the highest average sea temperature) are July, August and September (28°C).
The coldest months (with the lowest average sea temperature) are January and February (20°C).

Average daylight in September /
Average sunshine in September
Penghu, Taiwan

Average daylight in September: 12h and 18min

The month with the longest days is June (Average daylight: 13h and 36min).
The month with the shortest days is December (Average daylight: 10h and 42min).

Average sunshine in September: 7h

The month with the most sunshine is July (Average sunshine: 8h).
The months with the least sunshine are February and March (Average sunshine: 4h).

Average UV index in September
Penghu, Taiwan

Average UV index in September: 11

The months with the highest UV index are April, May, June, July and August (UV index 12).
The month with the lowest UV index is December (UV index 6).