< Previous Month Next Month >

Pocatello September Weather

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

Typical Pocatello September Weather 1991–2020
Average daily high	77.2 °F
Average daily low	42.2 °F
Average monthly precipitation	0.9 inches
Average monthly snow	0.0 inches
Daily chance of precipitation	16.8%
Daily chance of snow	0.11%

Pocatello September Weather Records 1939–2024
Highest temperature	102 °F	September 3, 2022
Lowest temperature	19 °F	September 30, 1985
Highest daily low	68 °F	September 2, 1945
Lowest daily high	40 °F	September 30, 1971
Hottest average high temperature	84.5 °F	1990
Coldest average high temperature	66.5 °F	1961
Most daily precipitation	1.5 inches	September 12, 1942
Most monthly precipitation	3.8 inches	1940
Most daily snow	1.5 inches	September 16, 1965
Most monthly snow	2.0 inches	1965

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	83.1	46.7	96	29
September 2	82.8	46.4	96	31
September 3	82.3	46.2	102	31
September 4	81.8	46.0	97	31
September 5	81.4	45.5	100	32
September 6	81.0	45.3	101	29
September 7	80.5	45.0	100	28
September 8	80.0	44.6	95	29
September 9	79.6	44.2	95	27
September 10	79.2	43.9	94	30
September 11	78.8	43.5	95	31
September 12	78.3	43.2	94	24
September 13	77.9	42.9	94	26
September 14	77.6	42.5	97	26
September 15	77.3	42.3	96	29
September 16	77.0	42.1	94	28
September 17	76.6	41.9	94	26
September 18	76.1	41.6	92	23
September 19	75.5	41.3	90	21
September 20	74.9	41.0	89	19
September 21	74.4	40.7	88	22
September 22	73.8	40.3	92	23
September 23	73.3	40.0	90	24
September 24	72.8	39.7	91	22
September 25	72.4	39.4	93	23
September 26	71.9	39.0	90	27
September 27	71.3	38.7	89	26
September 28	70.8	38.4	90	22
September 29	70.2	38.1	89	19
September 30	69.7	37.8	90	19

Weather Station Details

Years	Station	Coordinates
1939–2024	Pocatello Regional Airport	location