Coatesville
Pennsylvania, USA
Long-term weather forecast
Long-term weather forecast
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September weather forecast and Climate
Coatesville, PA

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  • The average high temperature in September: 78.8°F

The warmest month (with the highest average high temperature) is July (91.4°F).
The month with the lowest average high temperature is January (51.8°F).

  • The average low temperature in September: 53.6°F

The month with the highest average low temperature is June (68°F).
The coldest month (with the lowest average low temperature) is December (24.8°F).

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  • The average rainfall in September: 3.7"

Wettest months (with the highest rainfall) are June and August (4.5").
Driest months (with the lowest rainfall) are February, October and November (3.3").

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