ClimateAverages

Lancaster Weather in September

JanFebMarAprMayJunJulAugSepOctNovDec
September daytime high
24.9°C
September overnight low
12.8°C
September average
18.9°C

In September, Lancaster typically sees daytime highs of 24.9°C and overnight lows around 12.8°C. Compared to the annual average high of 16.8°C, September runs +8.1°C.

vs. annual avg high
+8.1°C
Rank among 12 months
#4 warmest
Hottest year overall
2011

Where September ranks in Lancaster

JanFebMarAprMayJunJulAugSep25°OctNovDec

FAQ

What is the average temperature in Lancaster in September?

September in Lancaster averages a daytime high of 24.9°C and an overnight low of 12.8°C.

Is September warm or cold in Lancaster?

September runs +8.1°C compared to Lancaster's annual average high of 16.8°C, ranking #4 of 12 months by warmth.

What should I pack for Lancaster in September?

Plan for daytime highs near 24.9°C and cooler evenings around 12.8°C.

Other months for Lancaster

JanuaryFebruaryMarchAprilMayJuneJulyAugustOctoberNovemberDecember

September in nearby cities

PhiladelphiaPittsburghAllentownErieReadingScrantonBethlehemLevittown