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Blythe September Weather

Averages and records for weather in Blythe, California in the month of September.

Typical Blythe September Weather 1991–2020
Average daily high	102.1 °F
Average daily low	73.9 °F
Average monthly precipitation	0.3 inches
Daily chance of precipitation	5.4%

Blythe September Weather Records 1913–2024
Highest temperature	121 °F	September 1, 1950
Lowest temperature	44 °F	September 25, 1913
Highest daily low	91 °F	September 3, 2007
Lowest daily high	70 °F	September 23, 1986
Hottest average high temperature	106.3 °F	2020
Coldest average high temperature	91.4 °F	1976
Most daily precipitation	3.0 inches	September 29, 1921
Most monthly precipitation	5.7 inches	1939

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	105.4	78.9	121	60
September 2	105.2	78.6	120	59
September 3	105.0	78.3	119	56
September 4	104.8	78.0	115	57
September 5	104.7	77.7	120	56
September 6	104.4	77.4	118	54
September 7	104.2	77.1	114	56
September 8	103.9	76.7	116	54
September 9	103.7	76.3	115	52
September 10	103.4	75.9	114	55
September 11	103.2	75.5	115	50
September 12	102.9	75.2	115	52
September 13	102.7	74.8	113	52
September 14	102.4	74.4	114	51
September 15	102.2	74.1	115	49
September 16	101.9	73.6	113	51
September 17	101.7	73.3	114	54
September 18	101.4	72.8	114	55
September 19	101.1	72.5	113	55
September 20	100.7	72.1	110	53
September 21	100.3	71.6	111	51
September 22	99.9	71.0	112	50
September 23	99.5	70.5	111	50
September 24	99.2	70.0	112	49
September 25	98.9	69.6	112	44
September 26	98.6	69.2	110	46
September 27	98.1	68.8	110	45
September 28	97.8	68.3	108	45
September 29	97.4	67.9	110	45
September 30	97.1	67.5	109	46

Weather Station Details

Years	Station	Coordinates
1949–2024	Blythe Airport	location
1913–1948	Blythe	location