As of 14:22 MDT

Riggins, ID weather in September

76°

Riggins, Wednesday, 7 October, 14:22

Clear. Feels like 74°. High 78°, low 45°.

Pressure30.06 inHg

Wind2.8 mph N

Humidity28%

Visibility6.2 mi

Dew point40°

See detailed hourly forecast

In September, Riggins, ID averages a high of 78.1° and a low of 53.8°. About 1.8 inches of precipitation fall over the month (7 wet days). The record high is 103.1° (2025) and the record low 27.3° (1971). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	84°	58.1°	13%	99.3° (2013)	47.3° (2021)
2	83.7°	58.1°	15%	103.1° (2025)	44.1° (1975)
3	84°	57.7°	13%	103.1° (2017)	41° (1964)
4	84.2°	57.7°	12%	101.7° (1998)	45.5° (1971)
5	83.5°	57.7°	17%	100.2° (2017)	48.7° (1969)
6	83.1°	57.6°	27%	102° (2022)	44.1° (2000)
7	81.9°	57.2°	17%	99.5° (2017)	44.2° (1992)
8	80.8°	56.7°	25%	95.2° (1981)	43.5° (2020)
9	80.6°	55.9°	17%	95.2° (2021)	42.4° (1970)
10	79.9°	55.4°	20%	93.9° (1996)	45° (1983)
11	79°	55.6°	28%	95° (2011)	41.9° (1982)
12	77.7°	54°	23%	94.5° (2015)	42.3° (1970)
13	79°	54.3°	22%	92.5° (2020)	39.7° (1970)
14	78.8°	53.8°	22%	95.9° (2000)	40.3° (1970)
15	78.3°	54°	25%	92.7° (2014)	42.8° (1970)
16	77.4°	53.2°	22%	97.2° (1981)	37° (1965)
17	76.1°	53.8°	23%	99° (1981)	37.2° (1965)
18	75.4°	53.2°	30%	95.9° (1981)	37.6° (1965)
19	73.6°	52.7°	33%	93.2° (2008)	38.8° (1965)
20	73°	51.3°	35%	90.7° (2025)	37.6° (1978)
21	73.4°	50.2°	22%	93.2° (2014)	38.1° (2017)
22	74.5°	49.8°	22%	93.4° (1987)	37.9° (1977)
23	75.6°	50.9°	20%	95.4° (1987)	38.5° (1977)
24	75.9°	51.4°	18%	96.1° (2011)	34.9° (1961)
25	76.1°	51.1°	18%	89.8° (1974)	34.9° (2005)
26	75°	50.7°	28%	90.7° (1963)	38.7° (1972)
27	74.8°	50.9°	20%	92.8° (1963)	39.4° (1961)
28	75.6°	49.8°	15%	92.7° (1963)	27.3° (1971)
29	75.2°	50°	25%	91.4° (1963)	35.6° (1972)
30	73.8°	50.9°	28%	91.4° (2011)	35.8° (2019)