September weather forecast and climate
Ishigaki, Japan

What is the temperature in September in Ishigaki?

The average high-temperature, in September, is 30°C (86°F), while the average low-temperature is 25°C (77°F).

How many days does it rain in September in Ishigaki?

In Ishigaki, in September, during 22 rainfall days, typically, 237mm (9.3") of precipitation is accumulated.

What is the rainiest month in Ishigaki?

September is the month with the most rainfall in Ishigaki. Rain falls for 22 days and accumulates 237mm (9.3") of precipitation.

What months are the sea warmest in Ishigaki?

July through September, with an average sea temperature of 29°C (84.2°F), are months with the warmest seawater in Ishigaki, Japan. 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.

How warm is the water in September in Ishigaki?

In September, in Ishigaki, Japan, the average sea temperature is 29°C (84.2°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.
Average temperature in September - Ishigaki, Japan
  • Average high temperature in September: 30°C

The warmest month (with the highest average high temperature) is July (32°C).
The month with the lowest average high temperature is January (20°C).

  • Average low temperature in September: 25°C

The month with the highest average low temperature is July (27°C).
The coldest month (with the lowest average low temperature) is January (15°C).

Average rainfall in September - Ishigaki, Japan
  • Average rainfall in September: 237mm

The wettest month (with the highest rainfall) is September (237mm).
The driest month (with the lowest rainfall) is February (140mm).

Average rainfall days in September - Ishigaki, Japan
  • Average rainfall days in September: 22 days

Months with the highest number of rainy days are January, November and December (24 days).
Months with the lowest number of rainy days are April, June and July (20 days).

Average sea temperature in September - Ishigaki, Japan
  • Average sea temperature in September: 29°C

Best months for swimming (with the highest average sea temperature) are July, August and September (29°C).
Coldest months (with the lowest average sea temperature) are January and February (23°C).

Average daylight in September / Average sunshine in September - Ishigaki, Japan
  • Average daylight in September: 12.3h

The month with the longest days is June (Average daylight: 13.6h).
The month with shortest days is December (Average daylight: 10.6h).

  • Average sunshine in September: 6h

The month with most sunshine is July (Average sunshine: 8h).
Months with least sunshine are January, February, March, November and December (Average sunshine: 3).

Average UV index in September - Ishigaki, Japan
  • Average UV index in September: 11

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).

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