Weather · Duluth, United States
Duluth Weather in September
Duluth in September runs 27°C / 17°C with 159mm of rain, a reasonable time to visit.
Avg high
27°C
81°F
Avg low
17°C
63°F
Rainfall
159mm
#3 wettest of 12
What to pack
Summer clothes by day; a light layer for evenings. Pack a rain jacket or travel umbrella, showers are frequent this month.
Timing a trip around the weather? A Local Friend in Duluth builds it around the season for you.