September weather in Arapahoe, NE
The average temperature in Arapahoe in September is 65.1°F (49.3°F–80.9°F). Average precipitation: 1.90 inches.
September is a fall month in Arapahoe, and is warmer than the annual average of 51.1°F. Daily temperatures swing about 31.6°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 12h 15m. For travel, September is a comfortable month to visit.
Avg High
80.9°F
Avg Low
49.3°F
Precipitation
1.90 in
Daylight
12h 15m
September records in Arapahoe
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 98.1°F (2013) | 48.9°F (2024) | 1.10 in (2018) |
| September 2 | 97.0°F (2011) | 46.9°F (2020) | 1.57 in (2008) |
| September 3 | 102.0°F (2023) | 48.0°F (2020) | 0.87 in (1951) |
| September 4 | 100.9°F (2023) | 44.1°F (2020) | 0.80 in (1951) |
| September 5 | 100.9°F (2012) | 39.9°F (2011) | 2.52 in (2018) |
| September 6 | 99.0°F (2019) | 39.0°F (2011) | 0.49 in (2005) |
| September 7 | 106.0°F (2013) | 39.0°F (2017) | 1.00 in (1948) |
| September 8 | 106.0°F (2013) | 37.9°F (2012) | 0.70 in (2020) |
| September 9 | 104.0°F (2013) | 37.9°F (2012) | 0.45 in (2019) |
| September 10 | 100.0°F (2013) | 39.0°F (2012) | 0.71 in (2006) |
| September 11 | 93.9°F (2012) | 41.0°F (2022) | 0.65 in (2023) |
| September 12 | 102.0°F (2021) | 39.0°F (2014) | 0.66 in (2014) |
| September 13 | 100.0°F (2025) | 33.1°F (2014) | 0.28 in (2012) |
| September 14 | 93.9°F (2021) | 32.0°F (2014) | 0.17 in (2011) |
| September 15 | 96.1°F (2017) | 36.0°F (2012) | 0.67 in (2013) |
| September 16 | 100.0°F (2015) | 37.9°F (2012) | 0.70 in (2016) |
| September 17 | 98.1°F (2015) | 39.0°F (2020) | 0.80 in (2025) |
| September 18 | 93.9°F (2018) | 32.0°F (2012) | 0.36 in (2024) |
| September 19 | 93.0°F (2013) | 33.1°F (2012) | 0.23 in (1915) |
| September 20 | 98.1°F (2022) | 37.0°F (2012) | 0.02 in (2013) |
| September 21 | 99.0°F (2022) | 37.0°F (2011) | 0.16 in (2009) |
| September 22 | 97.0°F (2017) | 32.0°F (2011) | 0.93 in (2023) |
| September 23 | 97.0°F (2017) | 32.0°F (2011) | 1.25 in (2009) |
| September 24 | 89.1°F (2016) | 32.0°F (2012) | 1.68 in (2017) |
| September 25 | 91.0°F (2020) | 37.0°F (2011) | 1.46 in (2017) |
| September 26 | 90.0°F (2020) | 35.1°F (2016) | 0.09 in (2017) |
| September 27 | 97.0°F (2021) | 35.1°F (2016) | 0.01 in (1916) |
| September 28 | 95.0°F (2021) | 37.0°F (2011) | 1.64 in (2013) |
| September 29 | 96.1°F (2023) | 32.0°F (2020) | 0.08 in (1915) |
| September 30 | 95.0°F (2023) | 30.0°F (2011) | 1.63 in (2021) |