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Roseburg September Weather

Averages and records for weather in Roseburg, Oregon in the month of September.

Typical Roseburg September Weather 1991–2020
Average daily high	79.9 °F
Average daily low	52.3 °F
Average monthly precipitation	0.9 inches
Daily chance of precipitation	15.4%

Roseburg September Weather Records 1899–2024
Highest temperature	104 °F	September 5, 1944
Lowest temperature	32 °F	September 30, 1954
Highest daily low	65 °F	September 6, 2017
Lowest daily high	55 °F	September 24, 1948
Hottest average high temperature	85.3 °F	1935
Coldest average high temperature	71.2 °F	1933
Most daily precipitation	1.5 inches	September 27, 1940
Most monthly precipitation	3.8 inches	2013

Note: Daily averages are a moving average which includes 14 days before and after

Day	Average (°F)		Record (°F)
Day	High	Low	High	Low
September 1	83.9	55.1	99	44
September 2	83.5	54.9	104	46
September 3	83.1	54.7	99	41
September 4	82.7	54.5	102	41
September 5	82.5	54.4	104	41
September 6	82.3	54.2	99	42
September 7	82.0	54.0	98	42
September 8	81.8	53.8	100	42
September 9	81.6	53.6	98	40
September 10	81.4	53.3	99	41
September 11	81.0	53.1	99	43
September 12	80.7	52.9	98	42
September 13	80.5	52.6	97	42
September 14	80.4	52.4	101	42
September 15	80.2	52.3	97	43
September 16	79.9	52.1	93	39
September 17	79.5	51.9	99	33
September 18	79.0	51.7	91	34
September 19	78.5	51.5	95	34
September 20	78.1	51.3	98	38
September 21	77.7	51.1	98	34
September 22	77.3	50.9	101	36
September 23	77.0	50.7	100	37
September 24	76.6	50.5	95	37
September 25	76.1	50.3	91	36
September 26	75.5	49.9	95	35
September 27	74.9	49.6	98	36
September 28	74.4	49.3	95	36
September 29	74.0	49.0	96	35
September 30	73.7	48.7	90	32

Weather Station Details

Years	Station	Coordinates
1899–2024	Roseburg Regional Airport	location