As of 23:49 PDT

Marblemount, WA weather in September

48°

Marblemount, Tuesday, 6 October, 23:49

Overcast. Feels like 48°. High 60°, low 46°.

Pressure30.12 inHg

Wind1.7 mph NE

Humidity92%

Visibility6.2 mi

Dew point46°

See detailed hourly forecast

In September, Marblemount, WA averages a high of 71.9° and a low of 52.5°. About 4.4 inches of precipitation fall over the month (11 wet days). The record high is 104.2° (1988) and the record low 20.7° (1972). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	74.5°	55.4°	38%	95.4° (2024)	42.6° (1964)
2	75.2°	55.4°	37%	100.4° (1988)	45.7° (1960)
3	75.6°	55°	33%	104.2° (1988)	44.4° (1975)
4	75.6°	55°	33%	101.7° (2017)	43.5° (1965)
5	74.5°	55.6°	40%	102.7° (2017)	43.7° (2015)
6	74.3°	54.3°	37%	98.2° (2017)	43.7° (1965)
7	74.7°	54.1°	32%	97° (2024)	41° (1985)
8	73.6°	54.7°	40%	92.3° (2011)	42.6° (1985)
9	73.4°	54.1°	38%	93° (2020)	41.2° (1970)
10	74.3°	53.6°	38%	94.1° (2011)	42.6° (1964)
11	73.8°	53.8°	32%	94.5° (2011)	42.1° (1972)
12	73.4°	53.2°	25%	90.9° (2009)	39.4° (1962)
13	74.1°	52°	27%	88° (1975)	41.4° (1984)
14	73.2°	53.2°	33%	90.9° (2013)	41.2° (1971)
15	72.1°	52.7°	33%	91.4° (1981)	40.8° (1969)
16	70.9°	52.7°	45%	95° (1981)	40.1° (1965)
17	69.6°	52.3°	43%	90.9° (1981)	42.4° (2018)
18	68.9°	52.7°	50%	87.3° (1962)	40.3° (1988)
19	68.4°	51.6°	45%	85.6° (1974)	36.7° (1983)
20	69.1°	50.7°	42%	89.1° (2012)	38.5° (1983)
21	70.5°	50.4°	35%	89.1° (1987)	38.8° (1961)
22	70.3°	50.4°	28%	91.4° (1987)	40.5° (1993)
23	70°	51.4°	42%	90.9° (1987)	37.4° (1996)
24	71.1°	50.4°	32%	89.4° (1974)	32.4° (1972)
25	70°	51.1°	38%	89.8° (1991)	25° (1972)
26	69.3°	50.9°	38%	88.9° (2022)	33.3° (1972)
27	69.8°	50°	28%	91° (1963)	20.7° (1972)
28	69.6°	50.2°	32%	88° (2003)	37.8° (1999)
29	68.9°	49.8°	38%	85.6° (1989)	29.8° (1972)
30	68°	49.5°	37%	86° (1987)	30.4° (1971)