| < 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 Nagano in September is warm at 19.9 °C (67.82 °F).
- Afternoons can be fairly hot with average high temperatures reaching 24.9 °C (76.8 °F).
- Overnight temperatures are generally very mild with an average low of 16.3 °C (61.3 °F).
- The variation/ range of diurnal average temperatures in September is 8.6 °C (15.5 °F).
- The weather in September is not exactly dry. Some 127.6mm (5in) of water is discharged.
- The shortest day is 11:47 long and the longest day is 12:56 long with an average length of 12:22.
Check the distance to and compare the Nagano September averages with somewhere beginning with:
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Weather Trend Graph for September in Nagano, Japan
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