September 2026 Weather | Lowell, Massachusetts

Tue 9/1
Sunny with a Chance of Thunderstorms
Day 77°
Night 57°
59
Wed 9/2
Rainy Weather
Day 75°
Night 55°
55
Thu 9/3
Rainy Weather
Day 73°
Night 57°
85
Fri 9/4
Sunny Weather
Day 77°
Night 55°
1
Sat 9/5
Cloudy Weather
Day 79°
Night 55°
1
Sun 9/6
Rainy Weather
Day 73°
Night 55°
58
Mon 9/7
Cloudy Weather
Day 79°
Night 59°
10
Tue 9/8
Cloudy Weather
Day 79°
Night 57°
25
Wed 9/9
Cloudy Weather
Day 77°
Night 57°
Thu 9/10
Cloudy Weather
Day 75°
Night 57°
Fri 9/11
Cloudy Weather
Day 75°
Night 57°
Sat 9/12
Cloudy Weather
Day 77°
Night 57°
Sun 9/13
Cloudy Weather
Day 81°
Night 55°
Mon 9/14
Cloudy Weather
Day 73°
Night 54°
Tue 9/15
Sunny Weather
Day 73°
Night 54°
Wed 9/16
Cloudy Weather
Day 77°
Night 55°
Thu 9/17
Cloudy Weather
Day 77°
Night 55°
Fri 9/18
Cloudy Weather
Day 75°
Night 52°
Sat 9/19
Cloudy Weather
Day 79°
Night 50°
Sun 9/20
Sunny Weather
Day 68°
Night 48°
Mon 9/21
Cloudy Weather
Day 72°
Night 54°
Tue 9/22
Sunny Weather
Day 75°
Night 54°
Wed 9/23
Sunny with a Chance of Thunderstorms
Day 75°
Night 54°
Thu 9/24
Cloudy Weather
Day 73°
Night 52°
Fri 9/25
Cloudy Weather
Day 66°
Night 48°
Sat 9/26
Sunny with a Chance of Thunderstorms
Day 66°
Night 48°
Sun 9/27
Sunny Weather
Day 66°
Night 45°
Mon 9/28
Cloudy Weather
Day 64°
Night 46°
Tue 9/29
Sunny Weather
Day 64°
Night 46°
Wed 9/30
Cloudy Weather
Day 66°
Night 45°