| < September >
|Normal Max/ High Temperature
|Min/ Low Temperature
|Average Daylight per day
|Sun altitude at solar noon on the 21st day.
- The average temperature in Iriomotejima in September is hot at 27 °C (80.6 °F).
- Afternoons can be very hot with average high temperatures reaching 30.1 °C (86.2 °F).
- Overnight temperatures are generally fairly hot with an average low of 24.3 °C (75.7 °F).
- The mean diurnal temperature variation/ range in September is 5.8 °C (10.4 °F).
- The weather in September is somewhat soggy. A sizable 248.1mm (9.8in) of fluid is discharged.
- The shortest day is 11:54 long and the longest day is 12:36 long with an average length of 12:15.
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Weather Trend Graph for September in Iriomotejima, Japan
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