September weather in Arkport, NY
The average temperature in Arkport in September is 59.2°F (47.0°F–71.3°F). Average precipitation: 3.85 inches.
September is a fall month in Arkport, and is warmer than the annual average of 45°F. Daily temperatures swing about 24.3°F between overnight low and afternoon high. Expect about 13 days with precipitation. Daylight averages about 12h 16m. For travel, September is a comfortable month to visit.
Avg High
71.3°F
Avg Low
47.0°F
Precipitation
3.85 in
Daylight
12h 16m
September records in Arkport
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 88.0°F (2012) | 37.0°F (2025) | 2.96 in (1950) |
| September 2 | 84.9°F (2013) | 39.0°F (2017) | 1.41 in (2003) |
| September 3 | 87.1°F (2011) | 37.9°F (2017) | 2.13 in (2006) |
| September 4 | 90.0°F (2011) | 39.0°F (2024) | 1.15 in (1984) |
| September 5 | 88.0°F (2023) | 39.0°F (2024) | 0.86 in (2012) |
| September 6 | 91.0°F (2018) | 36.0°F (2013) | 1.40 in (1973) |
| September 7 | 89.1°F (2023) | 36.0°F (2013) | 1.50 in (2024) |
| September 8 | 88.0°F (2015) | 36.0°F (2013) | 1.07 in (1985) |
| September 9 | 89.1°F (2015) | 36.0°F (2013) | 2.72 in (2004) |
| September 10 | 87.1°F (2020) | 37.0°F (2025) | 1.65 in (2023) |
| September 11 | 90.0°F (2013) | 39.0°F (2012) | 1.12 in (2018) |
| September 12 | 91.9°F (2013) | 39.0°F (2017) | 2.64 in (1975) |
| September 13 | 80.1°F (2012) | 39.9°F (2020) | 1.88 in (1987) |
| September 14 | 82.0°F (2011) | 41.0°F (2014) | 2.11 in (1977) |
| September 15 | 80.1°F (2012) | 36.0°F (2013) | 1.88 in (2017) |
| September 16 | 82.9°F (2018) | 36.0°F (2020) | 1.92 in (2002) |
| September 17 | 82.9°F (2018) | 35.1°F (2013) | 2.13 in (1999) |
| September 18 | 81.0°F (2015) | 34.0°F (2013) | 2.62 in (2016) |
| September 19 | 82.0°F (2015) | 30.0°F (2020) | 0.73 in (2012) |
| September 20 | 82.0°F (2015) | 30.0°F (2020) | 1.18 in (1977) |
| September 21 | 82.0°F (2016) | 28.0°F (2020) | 0.52 in (2000) |
| September 22 | 82.9°F (2018) | 28.0°F (2020) | 1.04 in (1992) |
| September 23 | 84.9°F (2019) | 30.9°F (2020) | 1.42 in (2021) |
| September 24 | 84.0°F (2017) | 34.0°F (2013) | 2.09 in (1989) |
| September 25 | 88.0°F (2017) | 34.0°F (2013) | 1.84 in (2001) |
| September 26 | 87.1°F (2017) | 35.1°F (2013) | 2.56 in (1975) |
| September 27 | 84.9°F (2017) | 37.9°F (2013) | 1.32 in (2005) |
| September 28 | 87.1°F (2017) | 37.9°F (2016) | 1.90 in (2003) |
| September 29 | 81.0°F (2019) | 37.9°F (2016) | 2.04 in (1967) |
| September 30 | 75.9°F (2014) | 34.0°F (2022) | 3.31 in (2015) |