In September, Oldham typically sees daytime highs of 15.4°C and overnight lows around 9.1°C. Compared to the annual average high of 11.1°C, September runs +4.3°C.
September in Oldham averages a daytime high of 15.4°C and an overnight low of 9.1°C.
September runs +4.3°C compared to Oldham's annual average high of 11.1°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 15.4°C and cooler evenings around 9.1°C.