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Delaware United States of America
Precipitation in September
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September Rainfall Precipitation in Delaware

Delaware is a region in the United States of America. In September precipitation ranges from high in Smyrna with 102 mm of rainfall to high in Seaford with 138 mm of rainfall.

Where and how much does it rain in Delaware in September?

Find the average total precipitation in September for the most popular destinations in Delaware on the map below. Click on a destination dot for more detailed information.

Weather conditions Weather
Temperatures
Precipitation
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Legend heavy rainfall high moderate low almost none
Heavy rainfall has been defined as more than 160 mm precipitation. High: 90 mm to 160 mm. Moderate: 30 mm to 90 mm. Low: 5 mm to 30 mm.

  • How much rainfall does Delaware receive in September?
    • In September, Dover typically experiences high rainfall, averaging about 109 mm. This translates to a mix of wet and dry days throughout the month.

  • What is the wettest city in September in Delaware?
    • According to our data the wettest location is Seaford with an average precipitation of 138 mm.

  • What is the driest city in September in Delaware?
    • Based on our records, Smyrna registers the lowest average precipitation, with only 102 mm.

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