As of 03:38 EDT

Brookline, MA weather in September

72°

Brookline, Sunday, 9 August, 03:38

Clear. Feels like 72°. High 93°, low 71°.

Pressure29.88 inHg

Wind2 mph SW

Humidity80%

Visibility6.2 mi

Dew point65°

See detailed hourly forecast

In September, Brookline, MA averages a high of 71.4° and a low of 57.3°. About 3.4 inches of precipitation fall over the month (8 wet days). The record high is 96.4° (2018) and the record low 39.7° (2000). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	75.6°	61°	22%	91.4° (2010)	50.7° (1975)
2	75°	60.3°	25%	92.5° (2010)	49.5° (2017)
3	75.2°	60.8°	32%	94.1° (2018)	50° (1967)
4	75.6°	60.8°	20%	88.5° (1973)	51.1° (1987)
5	75.4°	60.4°	17%	90.7° (2018)	50.4° (1994)
6	74.5°	60.1°	32%	96.4° (2018)	49.3° (1965)
7	75°	59.9°	28%	92.5° (2023)	48.6° (1962)
8	73.9°	59.5°	22%	93° (2007)	50° (1984)
9	73.8°	59.2°	28%	91.2° (2015)	49.8° (1986)
10	72.9°	59.5°	22%	88.2° (1989)	48.7° (1978)
11	73.4°	58.6°	28%	93° (1983)	49.5° (1995)
12	72.9°	58.1°	22%	89.4° (1961)	48.2° (1985)
13	72.7°	57.9°	33%	82.9° (2001)	46.4° (1985)
14	72.7°	58.6°	40%	86.9° (2016)	47.5° (1975)
15	70.5°	57.4°	37%	84.2° (1993)	45.7° (1975)
16	70.5°	55.9°	27%	84.2° (1991)	45° (1964)
17	70.7°	55.9°	27%	86.5° (1991)	45.3° (1986)
18	70°	56.7°	28%	84° (2015)	45.1° (1984)
19	69.4°	55.6°	33%	86.5° (1983)	45° (1990)
20	70°	55.2°	30%	89.4° (1983)	43.5° (1979)
21	70.2°	56.1°	20%	86° (1965)	43.2° (1962)
22	70.7°	56.1°	35%	88° (2019)	43.3° (1962)
23	69.3°	55.6°	37%	91° (2019)	43.5° (1963)
24	66.9°	54.3°	27%	82.8° (2010)	40.3° (1963)
25	67.8°	53.8°	17%	86.2° (2007)	41.4° (1963)
26	68.4°	55°	37%	88.9° (2007)	44.1° (1967)
27	69.6°	54.7°	32%	85.5° (2017)	43° (1966)
28	68.7°	54.9°	23%	84° (2014)	41.2° (1989)
29	66.6°	53.8°	27%	80.4° (2020)	39.7° (2000)
30	65.3°	52°	25%	82.8° (1986)	39.9° (1991)