September weather in Garrett, IN
The average temperature in Garrett in September is 63.9°F (52.2°F–75.7°F). Average precipitation: 3.13 inches.
September is a fall month in Garrett, and is warmer than the annual average of 49.5°F. Daily temperatures swing about 23.5°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
75.7°F
Avg Low
52.2°F
Precipitation
3.13 in
Daylight
12h 16m
September records in Garrett
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 91.9°F (2010) | 46.0°F (2009) | 0.62 in (2019) |
| September 2 | 95.0°F (2011) | 46.0°F (2009) | 0.40 in (2010) |
| September 3 | 96.1°F (2011) | 46.0°F (2009) | 0.36 in (2010) |
| September 4 | 96.1°F (2011) | 46.0°F (2024) | 0.42 in (2011) |
| September 5 | 91.0°F (2018) | 46.0°F (2010) | 0.18 in (2021) |
| September 6 | 91.9°F (2014) | 46.0°F (2010) | 1.01 in (2015) |
| September 7 | 89.1°F (2015) | 44.1°F (2025) | 0.16 in (2009) |
| September 8 | 91.0°F (2016) | 39.9°F (2024) | 0.70 in (2009) |
| September 9 | 89.1°F (2015) | 39.0°F (2025) | 0.37 in (2011) |
| September 10 | 91.0°F (2013) | 43.0°F (2010) | 1.98 in (2016) |
| September 11 | 96.1°F (2013) | 45.0°F (2017) | 3.07 in (2014) |
| September 12 | 93.9°F (2013) | 46.0°F (2017) | 0.39 in (2022) |
| September 13 | 88.0°F (2024) | 45.0°F (2015) | 1.39 in (2020) |
| September 14 | 88.0°F (2024) | 37.9°F (2013) | 0.10 in (2012) |
| September 15 | 89.1°F (2021) | 37.9°F (2013) | 0.19 in (2011) |
| September 16 | 88.0°F (2024) | 39.9°F (2011) | 0.22 in (2014) |
| September 17 | 88.0°F (2024) | 41.0°F (2014) | 0.39 in (2010) |
| September 18 | 88.0°F (2018) | 41.0°F (2014) | 0.34 in (2016) |
| September 19 | 89.1°F (2018) | 37.0°F (2020) | 1.20 in (2015) |
| September 20 | 89.1°F (2025) | 37.0°F (2012) | 1.90 in (2017) |
| September 21 | 91.9°F (2018) | 42.1°F (2020) | 0.38 in (2014) |
| September 22 | 91.9°F (2010) | 42.1°F (2020) | 0.71 in (2021) |
| September 23 | 91.0°F (2017) | 37.9°F (2012) | 2.81 in (2021) |
| September 24 | 91.9°F (2010) | 34.0°F (2012) | 1.00 in (2025) |
| September 25 | 89.1°F (2017) | 35.1°F (2012) | 0.89 in (2011) |
| September 26 | 89.1°F (2017) | 46.0°F (2010) | 0.87 in (2011) |
| September 27 | 90.0°F (2017) | 43.0°F (2013) | 0.35 in (2023) |
| September 28 | 84.9°F (2021) | 43.0°F (2013) | 1.83 in (2019) |
| September 29 | 87.1°F (2025) | 39.9°F (2022) | 0.21 in (2016) |
| September 30 | 86.0°F (2025) | 37.9°F (2022) | 0.45 in (2011) |