September weather in Valparaiso, IN
The average temperature in Valparaiso in September is 64.8°F (54.3°F–75.2°F). Average precipitation: 2.92 inches.
September is a fall month in Valparaiso, and is warmer than the annual average of 50.5°F. Daily temperatures swing about 20.9°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 12h 16m. For travel, September is one of the best months of the year to visit.
Avg High
75.2°F
Avg Low
54.3°F
Precipitation
2.92 in
Daylight
12h 16m
September records in Valparaiso
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 97.0°F (1953) | 39.0°F (1903) | 2.16 in (1989) |
| September 2 | 97.0°F (1953) | 42.1°F (1946) | 2.42 in (1923) |
| September 3 | 93.0°F (1894) | 44.1°F (1924) | 1.24 in (1992) |
| September 4 | 98.1°F (1925) | 41.0°F (1974) | 0.86 in (1953) |
| September 5 | 100.0°F (1899) | 41.0°F (1974) | 2.32 in (1971) |
| September 6 | 97.0°F (1922) | 37.0°F (1962) | 1.70 in (1894) |
| September 7 | 99.0°F (1939) | 39.0°F (1962) | 1.00 in (1990) |
| September 8 | 98.1°F (1922) | 37.9°F (1986) | 1.71 in (1927) |
| September 9 | 95.0°F (1897) | 30.0°F (1898) | 2.52 in (1985) |
| September 10 | 96.1°F (1897) | 39.0°F (1917) | 2.21 in (1992) |
| September 11 | 97.0°F (1931) | 32.0°F (1917) | 1.19 in (1950) |
| September 12 | 96.1°F (1939) | 35.1°F (1955) | 2.12 in (2000) |
| September 13 | 100.0°F (1939) | 36.0°F (1964) | 1.98 in (1925) |
| September 14 | 100.9°F (1939) | 35.1°F (1902) | 3.72 in (1972) |
| September 15 | 99.0°F (1939) | 36.0°F (1953) | 2.73 in (1965) |
| September 16 | 93.0°F (1927) | 30.0°F (1916) | 1.00 in (1936) |
| September 17 | 93.9°F (1927) | 37.0°F (1937) | 1.97 in (1981) |
| September 18 | 91.9°F (1895) | 33.1°F (1959) | 2.72 in (1949) |
| September 19 | 93.0°F (1895) | 36.0°F (1929) | 1.05 in (1960) |
| September 20 | 91.9°F (1895) | 34.0°F (1956) | 1.47 in (1983) |
| September 21 | 91.9°F (1895) | 32.0°F (1962) | 2.09 in (1964) |
| September 22 | 93.0°F (1895) | 32.0°F (1918) | 1.82 in (1965) |
| September 23 | 90.0°F (1937) | 30.9°F (1974) | 2.06 in (1961) |
| September 24 | 89.1°F (1901) | 30.0°F (1894) | 1.18 in (1945) |
| September 25 | 90.0°F (1920) | 28.0°F (1942) | 1.32 in (1961) |
| September 26 | 89.1°F (1900) | 30.0°F (1894) | 2.17 in (1951) |
| September 27 | 88.0°F (1998) | 32.0°F (1894) | 1.99 in (1916) |
| September 28 | 89.1°F (1905) | 28.9°F (1942) | 1.53 in (1927) |
| September 29 | 95.0°F (1953) | 28.0°F (1942) | 1.98 in (1896) |
| September 30 | 91.9°F (1953) | 32.0°F (1928) | 1.58 in (1965) |