September weather in Elmira, NY
The average temperature in Elmira in September is 62.2°F (49.5°F–74.9°F). Average precipitation: 4.09 inches.
September is a fall month in Elmira, and is warmer than the annual average of 48.2°F. Daily temperatures swing about 25.4°F between overnight low and afternoon high. Expect about 11 days with precipitation. Daylight averages about 12h 16m. For travel, September is a comfortable month to visit.
Avg High
74.9°F
Avg Low
49.5°F
Precipitation
4.09 in
Daylight
12h 16m
September records in Elmira
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 100.0°F (1953) | 39.0°F (1967) | 3.56 in (1950) |
| September 2 | 98.1°F (1953) | 37.0°F (1896) | 2.70 in (2003) |
| September 3 | 107.1°F (1953) | 37.9°F (1964) | 2.55 in (2006) |
| September 4 | 105.1°F (1953) | 39.9°F (1967) | 1.43 in (1992) |
| September 5 | 95.0°F (1953) | 36.0°F (1974) | 1.45 in (2022) |
| September 6 | 95.0°F (1954) | 37.0°F (1902) | 1.87 in (2011) |
| September 7 | 93.9°F (1906) | 35.1°F (1962) | 1.56 in (1999) |
| September 8 | 95.0°F (1906) | 37.0°F (1952) | 4.56 in (2011) |
| September 9 | 93.9°F (1941) | 36.0°F (1956) | 2.72 in (2004) |
| September 10 | 102.0°F (1906) | 35.1°F (1956) | 0.86 in (1942) |
| September 11 | 98.1°F (1906) | 33.1°F (1967) | 1.90 in (2018) |
| September 12 | 98.1°F (1906) | 33.1°F (1967) | 3.41 in (1906) |
| September 13 | 97.0°F (1948) | 30.0°F (1964) | 1.01 in (2000) |
| September 14 | 98.1°F (1952) | 30.0°F (1964) | 2.06 in (1938) |
| September 15 | 97.0°F (1952) | 30.0°F (1964) | 1.60 in (1973) |
| September 16 | 93.9°F (1939) | 26.1°F (1964) | 2.00 in (1934) |
| September 17 | 95.0°F (1991) | 26.1°F (1964) | 2.85 in (1999) |
| September 18 | 98.1°F (1905) | 32.0°F (1959) | 3.96 in (2018) |
| September 19 | 102.0°F (1906) | 30.9°F (2020) | 1.38 in (1894) |
| September 20 | 90.0°F (1908) | 30.0°F (1929) | 0.93 in (1925) |
| September 21 | 90.0°F (1931) | 30.0°F (2020) | 2.50 in (1913) |
| September 22 | 91.0°F (1931) | 30.0°F (1904) | 1.50 in (2018) |
| September 23 | 91.0°F (1908) | 28.0°F (1904) | 2.38 in (1912) |
| September 24 | 90.0°F (1959) | 27.0°F (1963) | 1.37 in (2021) |
| September 25 | 91.9°F (2010) | 28.0°F (1963) | 3.60 in (2001) |
| September 26 | 93.0°F (2017) | 28.9°F (1947) | 3.40 in (1975) |
| September 27 | 91.9°F (2017) | 26.1°F (1947) | 1.62 in (2002) |
| September 28 | 91.9°F (2017) | 23.0°F (1947) | 2.02 in (1923) |
| September 29 | 87.1°F (1905) | 27.0°F (1957) | 1.60 in (1902) |
| September 30 | 86.0°F (1905) | 28.0°F (1991) | 4.00 in (1924) |