| < 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 Wilmington Porter Reservoir, De in September is somewhat warm at 19.3 °C (66.74 °F).
- Afternoons can be fairly hot with average high temperatures reaching 24.6 °C (76.3 °F).
- Overnight temperatures are generally mild with an average low of 14.1 °C (57.4 °F).
- The range/ variation of daily mean temperatures in September is 10.5 °C (18.9 °F).
- The weather in September is not exactly parched. Circa 100.3mm (3.9in) of H2O is released.
- The shortest day is 11:46 long and the longest day is 13:03 long with an average length of 12:25.
Check the distance to and compare the Wilmington Porter Reservoir, De September averages with somewhere beginning with:
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Weather Trend Graph for September in Wilmington Porter Reservoir, De, Usa
Navigate to September Weather in Locations Surrounding Wilmington Porter Reservoir, De:
- Harrisburg, Pennsylvania, Usa - 76 kms (47.2 miles) WNW
- York, Pa, Usa - 85.2 kms (52.9 miles) W
- Baltimore, Md, Usa - 107.3 kms (66.7 miles) SSW
- Denton, Md, Usa - 111.2 kms (69.1 miles) S
- Dover, De, Usa - 111.2 kms (69.1 miles) S
- Cambridge, Md, Usa - 111.2 kms (69.1 miles) S
- Royal Oak, Md, Usa - 111.2 kms (69.1 miles) S
- Allentown/ A.-Bethlehem, Pa, Usa - 86.8 kms (53.9 miles) NNE
- Reading, Pa, Usa - 37.8 kms (23.5 miles) N
- Hightstown, Nj, Usa - 85.2 kms (52.9 miles) E
- Moorestown, Nj, Usa - 85.2 kms (52.9 miles) E
- Philadelphia, Pennsylvania, Usa - 65.2 kms (40.5 miles) E
- Wilmington, De, Usa - 51 kms (31.7 miles) SE