Weather in Kennewick in September

The weather in Kennewick in September varies radically. Daytime is relatively hot since temperatures get higher than 28 degrees, while the nights are much colder and there are no more than 11 degrees. Therefore, it is recommended to pack for both warm and chilly conditions
Avg Temp
11° - 28°
Avg Rainy Days
4
Avg Dry Days
26
Avg Snow Days
0
Full weather report for today ››

Weather forecast for the next 14 days ››

Weather Facts - Kennewick in September

* The warmest temperature recorded in in September is 39°C
* The coldest temperature recorded in Kennewick in September is (-2°C)
* The average rainfall in Kennewick in September is 6 mm

Yearly Average for Kennewick

Max Temp
Min Temp
Rainy Days
Jan.
6°
(-3°)
12
Feb.
9°
(-2°)
9
March
15°
1°
8
April
20°
5°
9
May
25°
9°
8
June
29°
13°
7
July
34°
17°
4
August
33°
16°
3
Sep.
28°
11°
4
Oct.
20°
5°
7
Nov.
11°
0°
11
Dec.
5°
(-3°)
12

Average Temperature in Kennewick