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> Usa > Philadelphia, Pennsylvania >September
Weather in September in Philadelphia, Pennsylvania
| < September > | ||
|---|---|---|
| Normal Max/ High Temperature | 25°C (78°F) | |
| Average Temperature | 20°C (68°F) | |
| Min/ Low Temperature | 15°C (59°F) | |
| Normal Precipitation | 87mm (3.4in) | |
| Number of Wet Days (probability of rain on a day) | 9 (30%) | |
| Average Sunlight per day | 07h 29' | |
| Average Daylight per day | 12h 24' | |
| Sunny (Cloudy) Daylight Hours | 61% (39%) | |
| Sun altitude at solar noon on the 21st day. | 50.6° | |
- The average temperature in Philadelphia, Pennsylvania in September is warm at 20.1 °C (68.18 °F).
- Afternoons can be fairly hot with average high temperatures reaching 25.3 °C (77.5 °F).
- Overnight temperatures are generally mild with an average low of 14.8 °C (58.6 °F).
- In September the mean diurnal temperature range/ variation is 10.5 °C (18.9 °F).
- Precipitation averages for September are high with 86.9mm (3.4 in) recorded across 9 days.
- In September the heavens above Philadelphia, Pennsylvania are a little sunny having on balance a welcome 7h 29' of splendid sunlight per day.
- The shortest day is 11h 45' long and the longest day is 13h 02' long with an average length of 12h 24'.
- There are approximately 4h 45' per day when the sun is occluded by cloud, haze, fog etc.
- It is sunny approximately 61.1% of daylight hours and cloudy 38.9% of daylight hours.
Weather Trend Graph for September in Philadelphia, Pennsylvania, Usa
