Weather · Kirkland, United States
Kirkland Weather in September
Kirkland in September runs 27°C / 20°C with 157mm of rain, a reasonable time to visit.
Avg high
27°C
81°F
Avg low
20°C
68°F
Rainfall
157mm
#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 Kirkland builds it around the season for you.