September weather in Decker, IN
The average temperature in Decker in September is °F (°F–°F). Average precipitation: 3.57 inches.
September is a fall month in Decker, and is cooler than the annual average of 0°F. Daylight averages about 12h 14m.
Avg High
°F
Avg Low
°F
Precipitation
3.57 in
Daylight
12h 14m
September records in Decker
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 102.0°F (1943) | 46.0°F (1896) | 4.54 in (1950) |
| September 2 | 105.1°F (1913) | 39.9°F (1900) | 4.46 in (1931) |
| September 3 | 105.1°F (1953) | 42.1°F (1909) | 2.52 in (1932) |
| September 4 | 102.0°F (1925) | 46.0°F (1896) | 1.62 in (1966) |
| September 5 | 106.0°F (1925) | 44.1°F (1902) | 2.30 in (1911) |
| September 6 | 105.1°F (1925) | 43.0°F (1896) | 1.66 in (2012) |
| September 7 | 106.0°F (1899) | 42.1°F (1896) | 1.51 in (1934) |
| September 8 | 106.0°F (1939) | 44.1°F (1953) | 2.43 in (2018) |
| September 9 | 104.0°F (1925) | 43.0°F (1956) | 4.88 in (2018) |
| September 10 | 100.0°F (1919) | 39.9°F (1924) | 1.43 in (1959) |
| September 11 | 99.0°F (1897) | 42.1°F (1917) | 2.28 in (1937) |
| September 12 | 100.0°F (1897) | 43.0°F (1917) | 2.00 in (1975) |
| September 13 | 102.9°F (1897) | 37.0°F (1902) | 1.67 in (1957) |
| September 14 | 102.0°F (1939) | 34.0°F (1902) | 1.13 in (1962) |
| September 15 | 104.0°F (1939) | 39.0°F (1902) | 1.96 in (1930) |
| September 16 | 100.9°F (1897) | 37.9°F (1916) | 2.10 in (1911) |
| September 17 | 98.1°F (1927) | 39.0°F (1916) | 1.80 in (1980) |
| September 18 | 99.0°F (1907) | 37.0°F (1901) | 1.08 in (1964) |
| September 19 | 99.0°F (1925) | 37.0°F (1901) | 1.70 in (1896) |
| September 20 | 96.1°F (1940) | 34.0°F (1896) | 3.19 in (1954) |
| September 21 | 99.0°F (1940) | 37.9°F (1927) | 1.97 in (1950) |
| September 22 | 97.0°F (1955) | 37.9°F (1918) | 1.88 in (1947) |
| September 23 | 95.0°F (1895) | 30.9°F (1896) | 2.20 in (1914) |
| September 24 | 93.0°F (1907) | 32.0°F (1928) | 0.93 in (1977) |
| September 25 | 93.9°F (1939) | 34.0°F (1950) | 1.20 in (1945) |
| September 26 | 97.0°F (1897) | 30.0°F (1928) | 3.00 in (1912) |
| September 27 | 93.9°F (1900) | 37.0°F (1909) | 2.13 in (1959) |
| September 28 | 97.0°F (1939) | 33.1°F (1942) | 4.18 in (1945) |
| September 29 | 91.9°F (1904) | 35.1°F (1962) | 1.72 in (1974) |
| September 30 | 98.1°F (1953) | 30.0°F (1899) | 3.35 in (1927) |