As of 11:47 EDT

South Orange, NJ weather in September

87°

South Orange, Sunday, 9 August, 11:47

Overcast. Feels like 93°. High 87°, low 71°.

Pressure29.97 inHg

Wind3 mph NW

Humidity60%

Visibility6.2 mi

Dew point72°

See detailed hourly forecast

In September, South Orange, NJ averages a high of 74.8° and a low of 59.7°. About 4.1 inches of precipitation fall over the month (9 wet days). The record high is 95.5° (2023) and the record low 40.6° (1963). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	78.8°	64°	32%	93.9° (2010)	53.1° (2017)
2	78.8°	63.1°	38%	95.4° (1980)	51.4° (2017)
3	79.3°	63.5°	37%	91.8° (1993)	50.2° (1967)
4	79.5°	63.7°	30%	92.1° (2023)	52.7° (1997)
5	78.8°	63.5°	25%	95.5° (2023)	53.4° (1997)
6	78.1°	63°	28%	95.4° (2023)	51.4° (1984)
7	78.8°	62.2°	35%	93.2° (2023)	49.5° (1984)
8	77.7°	61.9°	27%	92.8° (2015)	50.4° (2024)
9	77°	61.9°	32%	90° (2002)	50.5° (1986)
10	76.8°	62.1°	37%	93.2° (1983)	49.8° (1975)
11	76.5°	61°	23%	95° (1983)	50.4° (1967)
12	76.6°	60.6°	25%	92.1° (2005)	49.6° (1967)
13	76.6°	60.6°	32%	91.9° (2005)	48.6° (1985)
14	76.3°	61.2°	33%	89.8° (2016)	48° (1975)
15	74.3°	59.9°	27%	87.8° (2021)	46.6° (1975)
16	73.8°	59°	37%	90.5° (1970)	47.1° (1984)
17	73.9°	58.8°	33%	90.9° (1991)	46° (1986)
18	73.8°	59°	35%	86° (1965)	45.5° (1990)
19	73.8°	57.7°	25%	89.8° (1983)	46.9° (2020)
20	73.8°	57.9°	20%	89.4° (1983)	46° (1993)
21	73.9°	58.5°	27%	87.1° (1980)	43.7° (2020)
22	73.2°	58.3°	38%	90.7° (1970)	45.7° (2020)
23	72°	57.4°	38%	92.5° (1970)	45.5° (1963)
24	70.7°	56.3°	27%	90.5° (2017)	40.6° (1963)
25	70.5°	56.1°	23%	89.6° (1970)	42.3° (1963)
26	72°	57°	40%	90.1° (2007)	45.5° (1966)
27	72.1°	57°	32%	87.8° (1998)	45.9° (1966)
28	70.7°	57°	37%	84.2° (2019)	43.2° (1989)
29	68.7°	55.6°	27%	79.9° (2014)	43.2° (2000)
30	67.6°	54.1°	32%	85.8° (1986)	44.1° (1991)