Weather on September 20
Huntsville, AL
55 Years of Data
Avg High
85°F
Avg Low
60°F
Warmest
2018
81°F avg
Coldest
2012
60°F avg
About This Date
September 20th in Huntsville, AL typically brings warm fall weather, with average highs around 85°F and lows near 60°F — a 25°F daily swing. Over 26 years of records, the warmest September 20th was in 2018 (81°F average), while the coldest was 2012 (60°F) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 23% of September 20th dates historically, with the wettest September 20th recording 6.65" of rain.
Planning for September 20th in Huntsville, AL? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 93° | 63° | 78° | — | — |
| 2024 | 88° | 62° | 75° | — | — |
| 2023 | 82° | 53° | 68° | — | — |
| 2022 | 88° | 65° | 76° | — | — |
| 2021 | 75° | 69° | 72° | 6.65" | — |
| 2020 | 74° | 55° | 64° | — | — |
| 2019 | 88° | 66° | 77° | — | — |
| 2018warmest | 96° | 66° | 81° | — | — |
| 2017 | 89° | 62° | 76° | 0.74" | — |
| 2016 | 91° | 62° | 77° | — | — |
| 2015 | 85° | 66° | 75° | — | — |
| 2014 | 85° | 67° | 76° | — | — |
| 2013 | 88° | 62° | 75° | — | — |
| 2012coldest | 74° | 46° | 60° | — | — |
| 2011 | 74° | 62° | 68° | 0.3" | — |
| 2010 | 98° | 61° | 79° | — | — |
| 2009 | 75° | 69° | 72° | 0.94" | — |
| 2008 | 81° | 58° | 69° | 0.05" | — |
| 2007 | 85° | 53° | 69° | — | — |
| 2006 | 81° | 49° | 65° | — | — |
| 2005 | 95° | 61° | 78° | — | — |
| 2004 | 82° | 48° | 65° | — | — |
| 1974 | 91° | 62° | 77° | — | — |
| 1973 | 85° | 47° | 66° | — | — |
| 1972 | 92° | 64° | 78° | — | — |
| 1971 | 73° | 56° | 64° | 0.36" | — |
26 years of data from REDSTONE ARSENAL