| < 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 Keene, Nh in September is very mild at 15.9 °C (60.62 °F).
- Afternoons can be fairly hot with average high temperatures reaching 23 °C (73.4 °F).
- Overnight temperatures are generally a little cool with an average low of 8.8 °C (47.8 °F).
- In September the variation/ range of diurnal average temperatures is 14.2 °C (25.6 °F).
- The weather in September is somewhat dry. Just 76.2mm (3in) of H2O is laid down.
- The shortest day is 11:43 long and the longest day is 13:09 long with an average length of 12:26.
Check the distance to and compare the Keene, Nh September averages with somewhere beginning with:
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Weather Trend Graph for September in Keene, Nh, Usa
Navigate to September Weather in Locations Surrounding Keene, Nh:
- Bethlehem, Nh, Usa - 111.2 kms (69.1 miles) N
- Hanover, Nh, Usa - 111.2 kms (69.1 miles) N
- Durham, Nh, Usa - 81.3 kms (50.5 miles) E
- Lawrence, Ma, Usa - 81.3 kms (50.5 miles) E
- Boston, Massachusetts, Usa - 105.8 kms (65.8 miles) SE
- Framingham, Ma, Usa - 90.7 kms (56.4 miles) SSE
- Milton/ Blue Hill, Ma, Usa - 113.2 kms (70.3 miles) SE