King of Prussia Weather in September

Thinking of visiting King of Prussia in September? Expect high temperatures reaching 26°C (79°F) during the day, dropping to 14°C (57°F) at night, and note that quite a bit of rainfall is likely.

Rainfall in King of Prussia in September

Records from the past 30 years suggest around 8 days of rain, with 107 mm (4.2 in) average for the month. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.

Temperature in King of Prussia in September

Expect highs of 26°C (79°F) in King of Prussia in September, with nights dropping to around 14°C (57°F). Overall, the month follows a fairly predictable daily temperature pattern. At 14°C (57°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

Sunshine in King of Prussia in September

The days are predominantly sunny, with an estimated total of around 218 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.

Average water temperature in September

The water is 22°C (72°F) this month, warm enough that getting in requires no effort at all. Good conditions for swimming, snorkeling, or just floating around.

If you favor pleasant temperatures and minimal rainfall, September is one of the best months to visit King of Prussia.