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Sandpoint September Weather

Averages and records for weather in Sandpoint, Idaho in the month of September.

Typical Sandpoint September Weather 1991–2020
Average daily high	72.7 °F
Average daily low	42.1 °F
Average monthly precipitation	1.3 inches
Average monthly snow	none
Daily chance of precipitation	23.8%
Daily chance of snow	0%

Sandpoint September Weather Records 1910–2024
Highest temperature	96 °F	September 2, 1938
Lowest temperature	16 °F	September 24, 1926
Highest daily low	63 °F	September 2, 1967
Lowest daily high	36 °F	September 28, 2019
Hottest average high temperature	79.3 °F	1967
Coldest average high temperature	61.9 °F	1941
Most daily precipitation	2.2 inches	September 11, 1927
Most monthly precipitation	7.7 inches	1927
Most daily snow	none	-
Most monthly snow	none	-

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	77.6	45.7	95	29
September 2	77.2	45.5	96	32
September 3	76.8	45.3	95	30
September 4	76.3	45.1	90	30
September 5	75.8	44.8	93	32
September 6	75.4	44.6	92	31
September 7	75.0	44.2	93	26
September 8	74.6	43.9	91	29
September 9	74.2	43.7	89	29
September 10	74.0	43.5	88	26
September 11	73.6	43.2	89	29
September 12	73.3	43.0	91	25
September 13	72.9	42.7	91	22
September 14	72.5	42.4	90	21
September 15	72.2	42.2	90	24
September 16	71.9	42.0	90	23
September 17	71.6	41.8	87	26
September 18	71.3	41.6	85	27
September 19	70.8	41.3	84	25
September 20	70.3	41.0	83	23
September 21	69.8	40.7	87	25
September 22	69.3	40.4	88	28
September 23	68.8	40.1	83	22
September 24	68.3	39.8	85	16
September 25	67.9	39.5	85	20
September 26	67.4	39.2	86	24
September 27	66.9	39.0	83	25
September 28	66.3	38.7	85	23
September 29	65.7	38.4	82	21
September 30	65.1	38.1	78	21

Weather Station Details

Years	Station	Coordinates
1910–2024	Sandpoint Experimental Station	location