Weather on September 12
Lowell, MA
55 Years of Data
Avg High
76°F
Avg Low
51°F
Warmest
2013
80°F avg
Coldest
1985
50°F avg
About This Date
September 12th in Lowell, MA typically brings pleasant fall weather, with average highs around 76°F and lows near 51°F — a 25°F daily swing. Over 55 years of records, the warmest September 12th was in 2013 (80°F average), while the coldest was 1985 (50°F) — a 30°F range across recorded history. Rain or other precipitation has occurred on about 24% of September 12th dates historically, with the wettest September 12th recording 5.13" of rain. The last decade has been 1.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.4°F warmer on this date compared to 20-30 years ago.
Planning for September 12th in Lowell, MA? Great weather for outdoor activities.
Warming Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 79° | 48° | 63° | — | — |
| 2024 | 79° | 47° | 63° | — | — |
| 2023 | 80° | 67° | 73° | 5.13" | — |
| 2022 | 86° | 58° | 72° | — | — |
| 2021 | 78° | 49° | 63° | — | — |
| 2020 | 70° | 48° | 59° | — | — |
| 2019 | 86° | 64° | 75° | — | — |
| 2018 | 77° | 60° | 69° | 0.18" | — |
| 2017 | 77° | 47° | 62° | — | — |
| 2016 | 80° | 47° | 63° | 0.38" | — |
| 2015 | 74° | 55° | 64° | 0.48" | — |
| 2014 | 70° | 46° | 58° | — | — |
| 2013warmest | 96° | 65° | 80° | — | — |
| 2012 | 74° | 43° | 58° | — | — |
| 2011 | 75° | 48° | 62° | — | — |
| 2010 | 65° | 48° | 56° | — | — |
| 2009 | 61° | 49° | 55° | 0.51" | — |
| 2008 | 72° | 46° | 59° | — | — |
| 2007 | 63° | 57° | 60° | 3.63" | — |
| 2006 | 68° | 43° | 55° | — | — |
| 2005 | 76° | 47° | 61° | — | — |
| 2004 | 76° | 49° | 62° | — | — |
| 2003 | 78° | 54° | 66° | — | — |
| 2002 | 80° | 50° | 65° | — | — |
| 2001 | 79° | 49° | 64° | — | — |
| 2000 | 80° | 58° | 69° | — | — |
| 1999 | 80° | 53° | 67° | — | — |
| 1998 | 77° | 46° | 62° | — | — |
| 1997 | 68° | 62° | 65° | 0.97" | — |
| 1996 | 78° | 56° | 67° | — | — |
| 1995 | 74° | 38° | 56° | — | — |
| 1994 | 69° | 48° | 59° | — | — |
| 1993 | 68° | 41° | 55° | — | — |
| 1992 | 73° | 47° | 60° | — | — |
| 1991 | 71° | 44° | 58° | — | — |
| 1990 | 83° | 58° | 70° | 0.71" | — |
| 1989 | 87° | 66° | 77° | — | — |
| 1988 | 71° | 46° | 59° | — | — |
| 1987 | 68° | 59° | 64° | — | — |
| 1986 | 83° | 64° | 73° | — | — |
| 1985coldest | 63° | 38° | 50° | — | — |
| 1984 | 74° | 52° | 63° | 0.46" | — |
| 1983 | 80° | 58° | 69° | 0.08" | — |
| 1982 | 85° | 53° | 69° | — | — |
| 1981 | 84° | 50° | 67° | 0.33" | — |
| 1980 | 76° | 53° | 64° | — | — |
| 1979 | 72° | 40° | 56° | — | — |
| 1978 | 76° | 50° | 63° | 0.08" | — |
| 1977 | 68° | 39° | 54° | — | — |
| 1976 | 70° | 45° | 57° | — | — |
| 1975 | 75° | 43° | 59° | — | — |
| 1974 | 78° | 57° | 68° | — | — |
| 1973 | 78° | 45° | 61° | — | — |
| 1972 | 74° | 44° | 59° | — | — |
| 1971 | 81° | 62° | 71° | 0.86" | — |
55 years of data from LOWELL