| < 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 Matsuyama in September is fairly hot at 23.5 °C (74.3 °F).
- Afternoons can be hot with average high temperatures reaching 27.9 °C (82.2 °F).
- Overnight temperatures are generally warm with an average low of 19.9 °C (67.8 °F).
- The mean diurnal temperature variation/ range in September is 8 °C (14.4 °F).
- The weather in September is a little damp. Some 152.1mm (6in) of water tumbles.
- The shortest day is 11:48 long and the longest day is 12:51 long with an average length of 12:20.
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Weather Trend Graph for September in Matsuyama, Japan
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