September weather in Seelyville, IN
The average temperature in Seelyville in September is 67.1°F (54.3°F–79.8°F). Average precipitation: 3.20 inches.
September is a fall month in Seelyville, and is warmer than the annual average of 53.8°F. Daily temperatures swing about 25.5°F between overnight low and afternoon high. Daylight averages about 12h 15m. For travel, September is one of the best months of the year to visit.
Avg High
79.8°F
Avg Low
54.3°F
Precipitation
3.20 in
Daylight
12h 15m
September records in Seelyville
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 100.0°F (1953) | 46.0°F (1948) | 1.30 in (1952) |
| September 2 | 100.9°F (1953) | 46.9°F (1949) | 0.54 in (1885) |
| September 3 | 95.0°F (1953) | 45.0°F (1952) | 0.29 in (2025) |
| September 4 | 88.0°F (2024) | 45.0°F (1952) | 0.59 in (1949) |
| September 5 | 91.0°F (2024) | 48.9°F (1950) | 0.55 in (1948) |
| September 6 | 86.0°F (1952) | 46.9°F (1950) | 0.32 in (1948) |
| September 7 | 88.0°F (1948) | 43.0°F (2025) | 0.84 in (1884) |
| September 8 | 82.9°F (1952) | 37.9°F (2025) | 0.73 in (1885) |
| September 9 | 90.0°F (1952) | 39.9°F (2024) | 0.23 in (1950) |
| September 10 | 89.1°F (1952) | 45.0°F (2024) | 0.47 in (1951) |
| September 11 | 93.9°F (1952) | 48.0°F (2024) | 0.19 in (1950) |
| September 12 | 91.9°F (1952) | 46.0°F (1953) | 1.20 in (1949) |
| September 13 | 90.0°F (1948) | 39.0°F (1953) | 0.27 in (1951) |
| September 14 | 91.0°F (2024) | 42.1°F (1949) | 3.36 in (1885) |
| September 15 | 91.9°F (2025) | 42.1°F (1953) | 0.24 in (1949) |
| September 16 | 90.0°F (2024) | 44.1°F (1949) | 0.41 in (1883) |
| September 17 | 89.1°F (2024) | 41.0°F (1951) | 0.90 in (1883) |
| September 18 | 95.0°F (1953) | 46.0°F (1951) | 0.91 in (1952) |
| September 19 | 91.9°F (1948) | 46.9°F (1952) | 0.26 in (1953) |
| September 20 | 93.9°F (1948) | 42.1°F (1949) | 2.71 in (1948) |
| September 21 | 93.0°F (2024) | 43.0°F (1953) | 0.91 in (1950) |
| September 22 | 79.0°F (2024) | 37.0°F (1953) | 0.88 in (1886) |
| September 23 | 81.0°F (2025) | 37.9°F (1952) | 0.32 in (2025) |
| September 24 | 81.0°F (1953) | 36.0°F (1949) | 0.36 in (1884) |
| September 25 | 82.0°F (1953) | 35.1°F (1950) | 0.57 in (1886) |
| September 26 | 82.9°F (1953) | 39.0°F (1950) | 0.64 in (1884) |
| September 27 | 86.0°F (2025) | 39.0°F (1952) | 1.00 in (2024) |
| September 28 | 91.0°F (2025) | 37.0°F (1951) | 0.56 in (1884) |
| September 29 | 98.1°F (1953) | 34.0°F (1951) | 0.49 in (1948) |
| September 30 | 88.0°F (2025) | 34.0°F (1949) | 4.70 in (1885) |