Portland, Oregon Weather Forecast

Local

Portland, OR, US

45.52345, -122.67621

Normals for September

	Temp ( °F °C )			Precip ( " mm )		Degree Days
	Min	Max	Avg	MTD	YTD	Heating	Cooling
1	57 14	79 26	68 20	0.03 undefined	24.63 undefined	0.9	3.8
2	57 14	78 26	68 20	0.06 undefined	24.66 undefined	1	3.7
3	57 14	78 26	68 20	0.1 undefined	24.7 undefined	1	3.7
4	57 14	78 26	68 20	0.13 undefined	24.73 undefined	1.1	3.6
5	57 14	78 25	67 20	0.17 undefined	24.77 undefined	1.2	3.5
6	57 14	78 25	67 20	0.21 undefined	24.81 undefined	1.2	3.4
7	57 14	77 25	67 19	0.25 undefined	24.85 undefined	1.3	3.3
8	57 14	77 25	67 19	0.28 undefined	24.88 undefined	1.4	3.2
9	56 14	77 25	67 19	0.32 undefined	24.92 undefined	1.5	3.1
10	56 13	77 25	67 19	0.36 undefined	24.96 undefined	1.5	3
11	56 13	77 25	66 19	0.41 undefined	25.01 undefined	1.6	2.9
12	56 13	76 25	66 19	0.45 undefined	25.05 undefined	1.7	2.7
13	56 13	76 24	66 19	0.5 undefined	25.1 undefined	1.7	2.6
14	56 13	76 24	66 19	0.54 undefined	25.14 undefined	1.8	2.5
15	55 13	76 24	65 19	0.59 undefined	25.19 undefined	2	2.4
16	55 13	75 24	65 18	0.64 undefined	25.24 undefined	2.1	2.3
17	55 13	75 24	65 18	0.7 undefined	25.3 undefined	2.2	2.2
18	55 13	75 24	65 18	0.76 undefined	25.36 undefined	2.4	2.1
19	55 13	74 23	64 18	0.82 undefined	25.42 undefined	2.5	1.9
20	54 12	74 23	64 18	0.88 undefined	25.48 undefined	2.7	1.8
21	54 12	74 23	64 18	0.94 undefined	25.54 undefined	2.8	1.7
22	54 12	73 23	64 18	1 undefined	25.6 undefined	3	1.6
23	54 12	73 23	63 17	1.07 undefined	25.67 undefined	3.2	1.5
24	54 12	72 22	63 17	1.13 undefined	25.73 undefined	3.4	1.4
25	53 12	72 22	63 17	1.2 undefined	25.8 undefined	3.6	1.3
26	53 12	72 22	62 17	1.27 undefined	25.87 undefined	3.8	1.2
27	53 12	71 22	62 17	1.35 undefined	25.95 undefined	4.1	1.1
28	53 11	71 22	62 17	1.42 undefined	26.02 undefined	4.3	1
29	52 11	70 21	61 16	1.5 undefined	26.1 undefined	4.5	0.9
30	52 11	70 21	61 16	1.58 undefined	26.18 undefined	4.7	0.7