Weather on September 18
Huntsville, AL
55 Years of Data
Avg High
84°F
Avg Low
61°F
Warmest
2019
80°F avg
Coldest
1973
59°F avg
About This Date
September 18th in Huntsville, AL typically brings warm fall weather, with average highs around 84°F and lows near 61°F. Over 26 years of records, the warmest September 18th was in 2019 (80°F average), while the coldest was 1973 (59°F) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 12% of September 18th dates historically, with the wettest September 18th recording 13.28" of rain.
Planning for September 18th in Huntsville, AL? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 91° | 62° | 77° | — | — |
| 2024 | 86° | 62° | 74° | — | — |
| 2023 | 80° | 60° | 70° | — | — |
| 2022 | 83° | 63° | 73° | — | — |
| 2021 | 79° | 70° | 74° | — | — |
| 2020 | 83° | 62° | 72° | — | — |
| 2019warmest | 97° | 64° | 80° | — | — |
| 2018 | 92° | 66° | 79° | — | — |
| 2017 | 88° | 64° | 76° | 0.58" | — |
| 2016 | 88° | 68° | 78° | — | — |
| 2015 | 85° | 58° | 71° | — | — |
| 2014 | 82° | 62° | 72° | — | — |
| 2013 | 81° | 66° | 73° | — | — |
| 2012 | 80° | 65° | 72° | 13.28" | — |
| 2011 | 78° | 57° | 68° | — | — |
| 2010 | 94° | 57° | 75° | — | — |
| 2009 | 81° | 70° | 75° | — | — |
| 2008 | 81° | 55° | 68° | — | — |
| 2007 | 83° | 55° | 69° | — | — |
| 2006 | 91° | 57° | 74° | — | — |
| 2005 | 89° | 55° | 72° | — | — |
| 2004 | 83° | 56° | 69° | — | — |
| 1974 | 85° | 54° | 69° | — | — |
| 1973coldest | 71° | 46° | 59° | — | — |
| 1972 | 80° | 67° | 73° | — | — |
| 1971 | 80° | 62° | 71° | 0.13" | — |
26 years of data from REDSTONE ARSENAL