Lancaster Weather in September

September in Lancaster brings moderate temperatures, with highs of 17°C (63°F) and nights dropping to 11°C (52°F). Rainfall is on the higher side this month, averaging around 117 mm (4.6 in), so keep a rain jacket handy.

Rainfall in Lancaster in September

Expect around 18 days of rain based on historical data, with 117 mm (4.6 in) average. This month brings frequent, heavy showers. Both the number of wet days and the rainfall totals are on the high side.

Temperature in Lancaster in September

September in Lancaster brings moderate temperatures, with highs of 17°C (63°F) and nights around 11°C (52°F). Even when the weather is stable, mornings and evenings can still feel distinctly cool. With overnight lows of 11°C (52°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.

Sunshine in Lancaster in September

The area enjoys a balanced 142 hours of sunlight, ensuring it's neither too overcast nor too sunny.

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