Weather on September 23
Lowell, MA
55 Years of Data
Avg High
72°F
Avg Low
49°F
Warmest
1989
76°F avg
Coldest
1973
49°F avg
About This Date
September 23rd in Lowell, MA typically brings pleasant fall weather, with average highs around 72°F and lows near 49°F. Over 55 years of records, the warmest September 23rd was in 1989 (76°F average), while the coldest was 1973 (49°F) — a 27°F range across recorded history. Rain or other precipitation has occurred on about 44% of September 23rd dates historically, with the wettest September 23rd recording 5.66" of rain. The last decade has been 2.1°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.1°F cooler on this date compared to 20-30 years ago.
Planning for September 23rd in Lowell, MA? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Warming Trend
1.2°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 75° | 44° | 60° | — | — |
| 2024 | 66° | 50° | 58° | 0.05" | — |
| 2023 | 59° | 48° | 54° | 0.05" | — |
| 2022 | 68° | 49° | 58° | 2.62" | — |
| 2021 | 78° | 65° | 71° | — | — |
| 2020 | 66° | 39° | 53° | — | — |
| 2019 | 87° | 54° | 70° | — | — |
| 2018 | 70° | 45° | 57° | — | — |
| 2017 | 67° | 59° | 63° | 0.05" | — |
| 2016 | 85° | 53° | 69° | — | — |
| 2015 | 70° | 47° | 58° | — | — |
| 2014 | 71° | 39° | 55° | — | — |
| 2013 | 71° | 45° | 58° | 0.2" | — |
| 2012 | 74° | 52° | 63° | 0.2" | — |
| 2011 | 74° | 63° | 68° | 2.67" | — |
| 2010 | 85° | 58° | 71° | — | — |
| 2009 | 78° | 42° | 60° | — | — |
| 2008 | 63° | 42° | 52° | — | — |
| 2007 | 82° | 56° | 69° | — | — |
| 2006 | 71° | 41° | 56° | — | — |
| 2005 | 86° | 53° | 70° | — | — |
| 2004 | 81° | 56° | 68° | — | — |
| 2003 | 76° | 53° | 64° | — | — |
| 2002 | 86° | 67° | 76° | 2.87" | — |
| 2001 | 83° | 56° | 69° | — | — |
| 2000 | 69° | 47° | 58° | — | — |
| 1999 | 64° | 48° | 56° | 0.23" | — |
| 1998 | 74° | 49° | 61° | 5.66" | — |
| 1997 | 68° | 36° | 52° | — | — |
| 1996 | 71° | 49° | 60° | 1.63" | — |
| 1995 | 78° | 52° | 65° | 1.37" | — |
| 1994 | 67° | 55° | 61° | 1.42" | — |
| 1993 | 57° | 52° | 54° | 0.53" | — |
| 1992 | 82° | 48° | 65° | 2.72" | — |
| 1991 | 68° | 34° | 51° | — | — |
| 1990 | 69° | 51° | 60° | 0.05" | — |
| 1989warmest | 84° | 68° | 76° | — | — |
| 1988 | 76° | 48° | 62° | — | — |
| 1987 | 67° | 51° | 59° | 0.13" | — |
| 1986 | 67° | 44° | 55° | — | — |
| 1985 | 64° | 57° | 61° | 0.03" | — |
| 1984 | 81° | 50° | 65° | — | — |
| 1983 | 66° | 40° | 53° | — | — |
| 1982 | 63° | 52° | 57° | 0.03" | — |
| 1981 | 57° | 48° | 53° | 3.61" | — |
| 1980 | 84° | 57° | 71° | — | — |
| 1979 | 64° | 42° | 53° | 1.3" | — |
| 1978 | 67° | 44° | 55° | — | — |
| 1977 | 62° | 39° | 51° | — | — |
| 1976 | 65° | 37° | 51° | 0.2" | — |
| 1975 | 71° | 52° | 61° | 0.76" | — |
| 1974 | 67° | 41° | 54° | — | — |
| 1973coldest | 67° | 31° | 49° | 0.25" | — |
| 1972 | 73° | 39° | 56° | — | — |
| 1971 | 69° | 46° | 58° | — | — |
55 years of data from LOWELL