Richland, Washington Weather Forecast

Local

Richland, WA, US

46.28569, -119.28446

Normals for September

	Temp ( °F °C )			Precip ( " mm )		Degree Days
	Min	Max	Avg	MTD	YTD	Heating	Cooling
1	55 13	84 29	70 21	0.01 undefined	4.53 undefined	0.6	5.2
2	55 13	84 29	69 21	0.01 undefined	4.53 undefined	0.6	5
3	55 13	83 29	69 21	0.02 undefined	4.54 undefined	0.7	4.7
4	55 13	83 28	69 20	0.03 undefined	4.55 undefined	0.7	4.5
5	54 12	83 28	69 20	0.04 undefined	4.56 undefined	0.8	4.3
6	54 12	82 28	68 20	0.04 undefined	4.56 undefined	0.9	4.1
7	54 12	82 28	68 20	0.05 undefined	4.57 undefined	1	3.9
8	54 12	82 28	68 20	0.06 undefined	4.58 undefined	1.1	3.7
9	53 12	81 27	67 20	0.07 undefined	4.59 undefined	1.2	3.5
10	53 12	81 27	67 20	0.08 undefined	4.6 undefined	1.3	3.3
11	53 12	81 27	67 19	0.08 undefined	4.6 undefined	1.4	3.1
12	53 11	80 27	67 19	0.09 undefined	4.61 undefined	1.5	2.9
13	52 11	80 27	66 19	0.1 undefined	4.62 undefined	1.6	2.7
14	52 11	80 27	66 19	0.11 undefined	4.63 undefined	1.7	2.5
15	52 11	79 26	66 19	0.12 undefined	4.64 undefined	1.9	2.4
16	51 11	79 26	65 18	0.13 undefined	4.65 undefined	2	2.2
17	51 11	79 26	65 18	0.14 undefined	4.66 undefined	2.2	2.1
18	51 10	78 26	65 18	0.15 undefined	4.67 undefined	2.4	1.9
19	51 10	78 26	64 18	0.16 undefined	4.68 undefined	2.6	1.8
20	50 10	77 25	64 18	0.17 undefined	4.69 undefined	2.8	1.6
21	50 10	77 25	64 18	0.18 undefined	4.7 undefined	3	1.5
22	50 10	77 25	63 17	0.19 undefined	4.71 undefined	3.2	1.3
23	49 10	76 25	63 17	0.2 undefined	4.72 undefined	3.4	1.1
24	49 9	76 24	62 17	0.21 undefined	4.73 undefined	3.6	1
25	49 9	75 24	62 17	0.23 undefined	4.75 undefined	3.9	0.9
26	48 9	75 24	62 16	0.24 undefined	4.76 undefined	4.2	0.8
27	48 9	74 24	61 16	0.25 undefined	4.77 undefined	4.5	0.7
28	48 9	74 23	61 16	0.26 undefined	4.78 undefined	4.8	0.6
29	47 9	73 23	60 16	0.28 undefined	4.8 undefined	5.2	0.6
30	47 8	73 23	60 16	0.29 undefined	4.81 undefined	5.5	0.5