As of 11:10 EDT

Brentwood, MD weather in September

87°

Brentwood, Sunday, 9 August, 11:10

Overcast. Feels like 94°. High 92°, low 73°.

Pressure30.03 inHg

Wind7 mph W

Humidity63%

Visibility6.2 mi

Dew point74°

See detailed hourly forecast

In September, Brentwood, MD averages a high of 78.6° and a low of 62.3°. About 4.1 inches of precipitation fall over the month (9 wet days). The record high is 98.4° (2023) and the record low 42.1° (1963). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	82.8°	66.2°	27%	96.6° (1980)	57° (1967)
2	83.1°	66°	40%	96.8° (1980)	55.2° (1967)
3	83.5°	66.4°	32%	96.4° (2023)	51.8° (1967)
4	83.1°	66.7°	33%	97° (2023)	54.9° (2024)
5	82.4°	65.8°	30%	98.4° (2023)	52.3° (1997)
6	82°	65.7°	30%	97.2° (2023)	54.7° (2000)
7	82.2°	64.6°	23%	94.8° (1998)	51.6° (1988)
8	81.3°	64.6°	23%	94.8° (1985)	52.2° (2024)
9	81°	64.4°	30%	95.9° (1985)	50.5° (2024)
10	80.8°	64.4°	33%	96.1° (1983)	52.7° (2017)
11	80.4°	63.3°	27%	97.5° (1983)	52.7° (2017)
12	79.9°	63.3°	27%	95° (2019)	49.3° (1967)
13	80.4°	63°	30%	90.9° (1972)	51.8° (1967)
14	80.2°	63.5°	28%	92.8° (2016)	46.8° (1975)
15	78.6°	62.6°	28%	93.2° (1970)	49.1° (1975)
16	77.7°	61.3°	28%	95.2° (1970)	48.6° (2011)
17	77.5°	62.1°	38%	96.3° (1991)	48° (2000)
18	78.3°	61.7°	33%	91.8° (1978)	44.1° (1990)
19	77.2°	61°	20%	90.9° (1983)	49.5° (2020)
20	77.4°	60.4°	22%	91.6° (2005)	47.1° (2020)
21	77.7°	61.3°	30%	89.8° (1998)	44.6° (1962)
22	76.8°	61.2°	40%	94.1° (2010)	44.8° (2020)
23	75.6°	59.5°	32%	94.1° (1970)	45.1° (1983)
24	74.5°	58.5°	28%	96.1° (2010)	42.1° (1963)
25	74.3°	59°	35%	92.3° (1970)	45.1° (1983)
26	75°	60.1°	45%	91.6° (1970)	45.7° (2001)
27	75.9°	59.7°	45%	92.8° (1998)	45.3° (2000)
28	74.3°	59.5°	37%	88° (2019)	45.7° (1991)
29	72.1°	57.7°	27%	86.9° (2019)	47.3° (1981)
30	71.4°	56.7°	30%	90.9° (1986)	44.2° (1992)