Weather on September 17
Lowell, MA
55 Years of Data
Avg High
73°F
Avg Low
48°F
Warmest
1991
77°F avg
Coldest
1986
46°F avg
About This Date
September 17th in Lowell, MA typically brings pleasant fall weather, with average highs around 73°F and lows near 48°F — a 25°F daily swing. Over 55 years of records, the warmest September 17th was in 1991 (77°F average), while the coldest was 1986 (46°F) — a 31°F range across recorded history. Rain or other precipitation has occurred on about 35% of September 17th dates historically, with the wettest September 17th recording 7.95" 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 17th in Lowell, MA? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Warming Trend
0.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 77° | 49° | 63° | — | — |
| 2024 | 85° | 51° | 68° | — | — |
| 2023 | 71° | 54° | 62° | 0.25" | — |
| 2022 | 73° | 44° | 59° | — | — |
| 2021 | 72° | 61° | 66° | 0.08" | — |
| 2020 | 75° | 44° | 60° | — | — |
| 2019 | 71° | 47° | 59° | — | — |
| 2018 | 88° | 60° | 74° | — | — |
| 2017 | 81° | 60° | 70° | 0.03" | — |
| 2016 | — | 45° | — | — | — |
| 2015 | 85° | 55° | 70° | — | — |
| 2014 | 70° | 40° | 55° | — | — |
| 2013 | 68° | 40° | 54° | 0.15" | — |
| 2012 | 71° | 42° | 57° | — | — |
| 2011 | 63° | 39° | 51° | — | — |
| 2010 | 73° | 41° | 57° | 0.66" | — |
| 2009 | 65° | 47° | 56° | — | — |
| 2008 | 69° | 49° | 59° | — | — |
| 2007 | 65° | 41° | 53° | — | — |
| 2006 | 79° | 53° | 66° | — | — |
| 2005 | 69° | 62° | 66° | 0.71" | — |
| 2004 | 73° | 58° | 65° | 0.05" | — |
| 2003 | 77° | 53° | 65° | 0.46" | — |
| 2002 | 75° | 58° | 66° | 0.13" | — |
| 2001 | 77° | 42° | 60° | — | — |
| 2000 | 69° | 46° | 58° | — | — |
| 1999 | 72° | 59° | 65° | 7.95" | — |
| 1998 | 79° | 45° | 62° | — | — |
| 1997 | 79° | 47° | 63° | — | — |
| 1996 | 70° | 54° | 62° | 0.53" | — |
| 1995 | 71° | 39° | 55° | — | — |
| 1994 | 68° | 47° | 57° | — | — |
| 1993 | 58° | 54° | 56° | 0.1" | — |
| 1992 | 85° | 55° | 70° | — | — |
| 1991warmest | 88° | 66° | 77° | — | — |
| 1990 | 69° | 47° | 58° | 0.05" | — |
| 1989 | 71° | 50° | 61° | 0.64" | — |
| 1988 | 73° | 37° | 55° | — | — |
| 1987 | 80° | 50° | 65° | — | — |
| 1986coldest | 57° | 35° | 46° | 0.25" | — |
| 1985 | 72° | 42° | 57° | — | — |
| 1984 | 67° | 37° | 52° | — | — |
| 1983 | 68° | 55° | 62° | 0.48" | — |
| 1982 | 69° | 45° | 57° | — | — |
| 1981 | 70° | 47° | 58° | — | — |
| 1980 | 76° | 46° | 61° | — | — |
| 1979 | 73° | 41° | 57° | — | — |
| 1978 | 68° | 46° | 57° | — | — |
| 1977 | 64° | 49° | 56° | 1.24" | — |
| 1976 | 72° | 56° | 64° | — | — |
| 1975 | 66° | 43° | 54° | 0.05" | — |
| 1974 | 68° | 41° | 55° | — | — |
| 1973 | 71° | 38° | 54° | — | — |
| 1972 | 77° | 50° | 64° | — | — |
| 1971 | 85° | 60° | 72° | 0.76" | — |
55 years of data from LOWELL