Greencastle Weather in September

September in Greencastle sees daytime temperatures around 17°C (63°F) and lows of 10°C (50°F) at night. With around 85 mm (3.3 in) of rainfall expected, it's worth packing a rain jacket.

Rainfall in Greencastle in September

You can expect rain on roughly 20 days based on historical data, averaging 85 mm (3.3 in) for the month. Rain is frequent but mostly light this month, with brief showers more common than heavy downpours.

Temperature in Greencastle in September

September in Greencastle brings typical temperatures with highs around 17°C (63°F) and lows of 10°C (50°F). The difference between afternoon and evening temperatures is usually noticeable. With lows around 10°C (50°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.

Sunshine in Greencastle in September

With about 118 hours of sunshine, the area enjoys a nice balance of sun and overcast, creating a pleasant environment.

If your ideal day consists of dry skies and pleasant temperatures, June and July typically offer the best circumstances for Greencastle.