Dover weather in September

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Check the Dover, Delaware weather in September before you book your next holiday. This gives the best indication of the weather in September and includes figures for temperature, sunshine and rainfall.

  • 27°C maximum daytime temperature in September in Dover27
    27°C max day temperature
  • 8 hours of sunshine per day (60% of daylight hours) in September in Dover8
    8 hours of sunshine per day
  • 8 days with some rainfall in September in Dover8
    8 days with some rainfall
  • 14°C minimum night-time temperature in September in Dover14
    14°C min night temperature
  • 12 hours of daylight per day in September in Dover12
    12 hours of daylight per day
  • Low heat & humidity in September in DoverL
    Low heat & humidity
  • 102 mm monthly rainfall in September in Dover102
    102 mm of monthly rainfall
  • UV (maximum) index 7 (High) in September in Dover7
    7 (High) UV index

All months

Metric (°C / mm)  |  Imperial (°F / inches)

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Dover weather map

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Dover weather by month

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