As of 09:52 EDT

Bryn Mawr, PA weather in September

82°

Bryn Mawr, Sunday, 9 August, 09:52

Clear. Feels like 88°. High 84°, low 71°.

Pressure30.00 inHg

Wind7 mph W

Humidity76%

Visibility6.2 mi

Dew point74°

See detailed hourly forecast

In September, Bryn Mawr, PA averages a high of 75.5° and a low of 59.9°. About 4.0 inches of precipitation fall over the month (9 wet days). The record high is 95.9° (2023) and the record low 39.6° (1963). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	79.7°	64°	32%	93.6° (2010)	54.3° (1967)
2	79.7°	63.5°	33%	93.7° (1980)	52.2° (1970)
3	80.1°	63.5°	28%	92.5° (2023)	49.1° (1967)
4	79.9°	64°	25%	95.9° (2023)	52.3° (1997)
5	79.2°	63.7°	25%	95.9° (2023)	52.3° (1997)
6	78.4°	63°	32%	94.5° (2023)	50.9° (1984)
7	79.5°	62.2°	27%	91.2° (2023)	46.9° (1984)
8	78.4°	62.1°	28%	91.4° (1985)	51.3° (2024)
9	77.7°	61.9°	30%	90.9° (2016)	48.7° (1986)
10	77.5°	62.1°	30%	93° (1983)	49.3° (1975)
11	77°	61.2°	25%	94.3° (1983)	50° (1969)
12	77°	60.8°	25%	89.6° (1961)	48° (1967)
13	77.5°	60.8°	30%	90.7° (2005)	47.5° (1985)
14	77°	61.3°	28%	89.6° (2016)	47.1° (1985)
15	75.2°	60.1°	27%	88° (1970)	44.2° (1975)
16	74.7°	58.6°	32%	91.4° (1970)	46.4° (1984)
17	74.8°	59.2°	37%	90° (1991)	45.7° (1986)
18	75°	59.2°	35%	85.8° (1965)	44.4° (1990)
19	74.5°	57.9°	27%	89.1° (1983)	47.1° (1984)
20	74.5°	58.1°	23%	86.4° (1983)	45.7° (1979)
21	74.5°	58.5°	23%	86.4° (1965)	43.2° (1962)
22	73.9°	58.6°	35%	91° (1970)	43.9° (2020)
23	72.7°	57.6°	32%	92.8° (1970)	44.6° (1963)
24	71.8°	56.3°	27%	91.6° (1970)	39.6° (1963)
25	71.2°	56.3°	30%	90.3° (2017)	40.6° (1963)
26	72.5°	57°	43%	89.1° (1970)	45.9° (1987)
27	72.9°	57.4°	40%	88.9° (1998)	44.4° (1966)
28	71.6°	57.4°	45%	84.6° (2019)	40.6° (1989)
29	69.4°	55.8°	32%	83.5° (2019)	43.3° (2000)
30	68.2°	54°	30%	86.2° (1986)	42.3° (2000)