September weather in Barnesville, MD
The average temperature in Barnesville in September is 66.7°F (57.6°F–75.7°F). Average precipitation: 4.76 inches.
September is a fall month in Barnesville, and is warmer than the annual average of 54°F. Daily temperatures swing about 18.1°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 12h 14m. For travel, September is a comfortable month to visit.
Avg High
75.7°F
Avg Low
57.6°F
Precipitation
4.76 in
Daylight
12h 14m
September records in Barnesville
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 93.9°F (2010) | 50.0°F (2009) | 1.65 in (2016) |
| September 2 | 93.0°F (2010) | 51.1°F (2001) | 1.07 in (2006) |
| September 3 | 93.0°F (1993) | 48.0°F (1994) | 1.20 in (2000) |
| September 4 | 93.0°F (2023) | 44.1°F (1997) | 2.33 in (2003) |
| September 5 | 93.9°F (2023) | 41.0°F (1997) | 2.39 in (1999) |
| September 6 | 93.9°F (2023) | 46.0°F (2000) | 3.71 in (1996) |
| September 7 | 91.9°F (2023) | 48.9°F (2000) | 1.69 in (2018) |
| September 8 | 91.0°F (2015) | 45.0°F (1994) | 3.30 in (2011) |
| September 9 | 91.0°F (2015) | 46.0°F (2024) | 2.01 in (2018) |
| September 10 | 89.1°F (2002) | 46.9°F (2017) | 1.41 in (1997) |
| September 11 | 91.0°F (2013) | 39.0°F (1995) | 0.72 in (2009) |
| September 12 | 90.0°F (1998) | 42.1°F (1993) | 1.00 in (2023) |
| September 13 | 87.1°F (1998) | 46.0°F (1994) | 0.82 in (2003) |
| September 14 | 91.0°F (2008) | 46.0°F (1996) | 0.80 in (2011) |
| September 15 | 90.0°F (1993) | 44.1°F (2001) | 1.01 in (1993) |
| September 16 | 89.1°F (1998) | 41.0°F (2011) | 2.53 in (1999) |
| September 17 | 84.9°F (1994) | 41.0°F (2007) | 1.39 in (2025) |
| September 18 | 82.9°F (2015) | 43.0°F (2013) | 2.40 in (2003) |
| September 19 | 86.0°F (2025) | 42.1°F (2020) | 1.22 in (2000) |
| September 20 | 84.0°F (2005) | 37.9°F (2020) | 0.97 in (2001) |
| September 21 | 84.9°F (1998) | 37.9°F (2020) | 0.79 in (1999) |
| September 22 | 90.0°F (2010) | 37.9°F (1997) | 1.14 in (1996) |
| September 23 | 89.1°F (2010) | 42.1°F (1999) | 3.02 in (2003) |
| September 24 | 93.9°F (2010) | 37.9°F (1995) | 3.15 in (2001) |
| September 25 | 88.0°F (2010) | 45.0°F (1996) | 2.01 in (2000) |
| September 26 | 87.1°F (2007) | 39.9°F (2001) | 1.51 in (2002) |
| September 27 | 91.0°F (1998) | 41.0°F (2000) | 2.11 in (2004) |
| September 28 | 89.1°F (1998) | 44.1°F (2001) | 0.86 in (2016) |
| September 29 | 82.9°F (2019) | 39.0°F (2000) | 2.67 in (2015) |
| September 30 | 82.0°F (1998) | 36.0°F (1993) | 4.37 in (2010) |