September weather in Glasgow, MT

The average temperature in Glasgow in September is 59.6°F (46.1°F–73.2°F). Average precipitation: inches.

September is a fall month in Glasgow, and is warmer than the annual average of 44.2°F. Daily temperatures swing about 27.1°F between overnight low and afternoon high. Daylight averages about 12h 20m. For travel, September is a comfortable month to visit.

Avg High
73.2°F
Avg Low
46.1°F
Precipitation
in
Daylight
12h 20m

September records in Glasgow

Date Record High Record Low Record Precip
September 1 98.1°F (1940) 32.0°F (1930) 0.35 in (1918)
September 2 102.0°F (1945) 32.0°F (1934) 1.50 in (1898)
September 3 102.0°F (1940) 28.9°F (1902) 0.07 in (1929)
September 4 100.0°F (1922) 28.9°F (1935) 0.43 in (1901)
September 5 98.1°F (1931) 30.9°F (1898) 1.23 in (1938)
September 6 100.0°F (1931) 28.0°F (1929) 2.43 in (1911)
September 7 102.9°F (2022) 26.1°F (1929) 1.50 in (1911)
September 8 95.0°F (1942) 27.0°F (1929) 0.71 in (1946)
September 9 99.0°F (1998) 28.0°F (1894) 2.02 in (1938)
September 10 91.9°F (1939) 23.0°F (1955) 1.94 in (1916)
September 11 95.0°F (1919) 27.0°F (1955) 0.71 in (1926)
September 12 93.0°F (1894) 28.0°F (1903) 0.91 in (1950)
September 13 93.0°F (1913) 21.0°F (1949) 1.17 in (1906)
September 14 96.1°F (1955) 27.0°F (1915) 0.96 in (1927)
September 15 91.9°F (1998) 25.0°F (1897) 0.48 in (1954)
September 16 96.1°F (1998) 19.0°F (1903) 0.85 in (1950)
September 17 95.0°F (1943) 21.9°F (1902) 0.32 in (1947)
September 18 96.1°F (1928) 26.1°F (1896) 0.35 in (1946)
September 19 95.0°F (2009) 24.1°F (1913) 0.97 in (1925)
September 20 100.0°F (1922) 21.0°F (1934) 0.28 in (1955)
September 21 98.1°F (1922) 15.1°F (1895) 0.58 in (1914)
September 22 93.0°F (1917) 26.1°F (1932) 0.37 in (1920)
September 23 93.9°F (1917) 19.0°F (1893) 0.61 in (1901)
September 24 93.0°F (1917) 19.9°F (1926) 0.89 in (1931)
September 25 96.1°F (2024) 14.0°F (1893) 0.35 in (1951)
September 26 93.0°F (1952) 19.0°F (1928) 0.16 in (1932)
September 27 96.1°F (1922) 15.1°F (1928) 0.47 in (1937)
September 28 90.0°F (1897) 19.9°F (1928) 0.61 in (1905)
September 29 96.1°F (2024) 19.9°F (1912) 1.45 in (1925)
September 30 88.0°F (1897) 15.1°F (1907) 0.41 in (1944)

Other months in Glasgow