As of 15:01 PDT

Bryn Mawr-Skyway, WA weather in September

78°

Bryn Mawr-Skyway, Sunday, 9 August, 15:01

Overcast. Feels like 78°. High 78°, low 56°.

Pressure30.00 inHg

Wind5 mph N

Humidity46%

Visibility6.2 mi

Dew point54°

See detailed hourly forecast

In September, Bryn Mawr-Skyway, WA averages a high of 68.6° and a low of 51.7°. About 2.9 inches of precipitation fall over the month (9 wet days). The record high is 93.9° (1988) and the record low 32.4° (1972). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	71.6°	54.3°	27%	88.2° (1987)	42.6° (1973)
2	72.1°	54°	30%	93.9° (1988)	44.1° (1960)
3	72.1°	54°	25%	92.3° (1988)	43.3° (1975)
4	72°	53.6°	22%	85.6° (2003)	44.8° (1965)
5	71.4°	54.1°	32%	92.5° (2017)	45.1° (2000)
6	71.1°	53.4°	28%	88.3° (2017)	43.7° (1960)
7	71.1°	53.6°	30%	88.9° (1981)	41.7° (1960)
8	70.5°	53.4°	30%	83.3° (2011)	43.2° (1976)
9	70.3°	53.1°	25%	87.4° (1963)	40.1° (1970)
10	70.5°	53.1°	30%	90.9° (2022)	43.5° (1964)
11	70.3°	52°	25%	85.3° (2011)	43° (1964)
12	69.6°	51.6°	22%	80.8° (1975)	42.6° (1970)
13	70.3°	51.1°	20%	83.3° (1999)	40.8° (1970)
14	69.8°	52.2°	23%	85.6° (1979)	40.6° (1971)
15	68.9°	52.2°	33%	86.4° (1981)	41.4° (1971)
16	68.2°	51.8°	40%	86.7° (2025)	39.2° (1965)
17	66.4°	52°	40%	81.5° (1991)	41.4° (1965)
18	66.4°	51.6°	42%	81.3° (1991)	41.4° (1965)
19	66.2°	51.1°	40%	82.6° (1999)	37.2° (1983)
20	66.2°	50.5°	43%	84.4° (1974)	38.7° (1983)
21	67.5°	49.5°	23%	85.3° (1974)	39.9° (1968)
22	67.6°	49.6°	32%	85.6° (1990)	41.5° (1961)
23	66.7°	50.4°	33%	81.1° (1989)	38.8° (2000)
24	66.9°	49.8°	32%	84.2° (1974)	36.1° (1970)
25	66.2°	50.7°	33%	84.9° (1991)	36.7° (1972)
26	66°	50°	35%	80.8° (2022)	39° (1972)
27	66.4°	49.5°	25%	83.8° (1967)	32.4° (1972)
28	66.2°	49.3°	27%	80.1° (2017)	38.5° (1999)
29	65.7°	49.6°	33%	79.3° (1992)	37.4° (1983)
30	64.8°	49.5°	33%	79.3° (1987)	37.6° (1971)