As of 19:04 EDT

Isle of Palms, SC weather in September

84°

Isle of Palms, Sunday, 9 August, 19:04

Overcast. Feels like 94°. High 89°, low 74°.

Pressure30.09 inHg

Wind7 mph SW

Humidity83%

Visibility6.2 mi

Dew point78°

See detailed hourly forecast

In September, Isle of Palms, SC averages a high of 81.3° and a low of 71.6°. About 5.2 inches of precipitation fall over the month (14 wet days). The record high is 93.2° (2020) and the record low 53.6° (1967). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	83.3°	74.1°	53%	90.1° (1994)	63.7° (1999)
2	82.9°	73.9°	57%	89.2° (2020)	65.3° (1967)
3	83.1°	73.6°	42%	90.5° (2020)	64.9° (2025)
4	82.9°	73.6°	43%	93.2° (2020)	66.2° (1994)
5	82.4°	73.4°	58%	90° (2020)	64.9° (1994)
6	82.8°	73.4°	58%	91.8° (1983)	61.5° (1997)
7	82.8°	73.4°	50%	90.9° (1983)	66.4° (1972)
8	82.4°	72.9°	50%	90.5° (1983)	65.7° (1972)
9	82°	73°	52%	89.2° (2010)	65.3° (1998)
10	82.6°	72.3°	45%	89.6° (1985)	63.5° (2017)
11	82°	72.1°	45%	90.1° (2002)	61.2° (1998)
12	82°	72.3°	45%	88.7° (1991)	61.2° (1976)
13	81.9°	72.1°	47%	89.8° (2018)	62.6° (1964)
14	82°	72°	43%	89.8° (1984)	59.2° (1985)
15	82.2°	71.6°	37%	90.9° (1980)	63.3° (1964)
16	81.9°	71.8°	47%	90.1° (1980)	60.6° (2001)
17	81.1°	71.6°	47%	88.9° (1972)	61.7° (1961)
18	81.1°	71.6°	47%	89.4° (1972)	60.3° (2001)
19	80.8°	70.9°	43%	88.2° (1972)	61° (1981)
20	80.6°	70.9°	47%	91.4° (2010)	59.4° (2020)
21	80.8°	71.4°	48%	88.7° (1990)	57.7° (2020)
22	80.8°	70.7°	45%	90.3° (1990)	54.7° (2020)
23	80.1°	69.3°	33%	87.4° (1980)	54.7° (2020)
24	79.2°	69.3°	33%	87.1° (1961)	59° (1963)
25	79.9°	69.8°	45%	87.3° (1986)	58.3° (1990)
26	79.9°	70.2°	45%	87.6° (1986)	59.9° (1974)
27	79.9°	70.7°	47%	89.8° (1986)	59.4° (1982)
28	79.7°	69.8°	50%	90.3° (2017)	59° (1962)
29	78.3°	68.9°	38%	86.9° (2019)	57.7° (2022)
30	77.7°	67.6°	43%	86° (1973)	53.6° (1967)