Haarlem weather in September 2024

Expect 18°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Haarlem in September. Check more long-term weather averages for Haarlem in September before you book your next holiday to Netherlands in 2024/2025.

  • 18°C maximum daytime temperature in September in Haarlem18
    18°C max day temperature
  • 5 hours of sunshine per day
  • 16 days with some rainfall in September in Haarlem16
    16 days with some rainfall
  • 11°C minimum night-time temperature in September in Haarlem11
    11°C min night temperature
  • 13 hours of daylight per day in September in Haarlem13
    13 hours of daylight per day
  • No heat & humidity in September in Haarlem0
    No heat & humidity
  • 80 mm monthly rainfall in September in Haarlem80
    80 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in September in Haarlem4
    4 (Moderate) UV index

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