In September, Umea typically sees daytime highs of 12.7°C and overnight lows around 5.3°C. Compared to the annual average high of 6.3°C, September runs +6.4°C.
September in Umea averages a daytime high of 12.7°C and an overnight low of 5.3°C.
September runs +6.4°C compared to Umea's annual average high of 6.3°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 12.7°C and cooler evenings around 5.3°C.