September weather in Amarillo, TX
The average temperature in Amarillo in September is 69.8°F (55.9°F–83.7°F). Average precipitation: inches.
September is a fall month in Amarillo, and is warmer than the annual average of 56.9°F. Daily temperatures swing about 27.8°F between overnight low and afternoon high. Daylight averages about 12h 13m. For travel, September is a comfortable month to visit.
Avg High
83.7°F
Avg Low
55.9°F
Precipitation
in
Daylight
12h 13m
September records in Amarillo
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 97.0°F (2023) | 55.0°F (2024) | 0.31 in (2020) |
| September 2 | 97.0°F (2023) | 54.0°F (2024) | 0.16 in (2021) |
| September 3 | 98.1°F (2023) | 54.0°F (2024) | 0.38 in (2021) |
| September 4 | 99.0°F (2023) | 55.0°F (2024) | 0.00 in (2019) |
| September 5 | 91.0°F (2019) | 52.0°F (2025) | 0.00 in (2019) |
| September 6 | 93.0°F (2019) | 51.1°F (2025) | 0.00 in (2019) |
| September 7 | 102.9°F (2023) | 55.0°F (2024) | 0.00 in (2019) |
| September 8 | 93.0°F (2023) | 39.0°F (2020) | 0.15 in (2020) |
| September 9 | 96.1°F (2021) | 36.0°F (2020) | 1.20 in (2025) |
| September 10 | 102.0°F (2021) | 39.0°F (2020) | 0.08 in (2023) |
| September 11 | 102.0°F (2021) | 45.0°F (2020) | 0.04 in (2023) |
| September 12 | 95.0°F (2021) | 53.1°F (2020) | 0.00 in (2019) |
| September 13 | 100.9°F (2024) | 53.1°F (2020) | 0.21 in (2025) |
| September 14 | 100.0°F (2024) | 55.0°F (2020) | 0.15 in (2023) |
| September 15 | 96.1°F (2024) | 55.0°F (2020) | 1.27 in (2022) |
| September 16 | 93.9°F (2024) | 51.1°F (2020) | 0.00 in (2019) |
| September 17 | 91.9°F (2018) | 53.1°F (2023) | 3.09 in (2025) |
| September 18 | 97.0°F (2024) | 51.1°F (2020) | 0.09 in (2025) |
| September 19 | 98.1°F (2024) | 48.0°F (2020) | 0.25 in (2019) |
| September 20 | 96.1°F (2024) | 50.0°F (2020) | 0.91 in (2025) |
| September 21 | 90.0°F (2022) | 48.9°F (2020) | 0.28 in (2024) |
| September 22 | 93.9°F (2023) | 42.1°F (2021) | 0.12 in (2024) |
| September 23 | 90.0°F (2022) | 45.0°F (2018) | 0.00 in (2019) |
| September 24 | 91.9°F (2018) | 51.1°F (2018) | 0.01 in (2023) |
| September 25 | 96.1°F (2020) | 48.9°F (2021) | 0.00 in (2019) |
| September 26 | 96.1°F (2020) | 48.0°F (2018) | 0.00 in (2019) |
| September 27 | 91.0°F (2019) | 46.0°F (2018) | 0.18 in (2023) |
| September 28 | 91.0°F (2023) | 39.9°F (2020) | 0.00 in (2019) |
| September 29 | 93.9°F (2023) | 41.0°F (2020) | 0.00 in (2019) |
| September 30 | 93.0°F (2024) | 48.9°F (2020) | 0.06 in (2021) |