As of 19:03 EDT

Seabrook Island, SC weather in September

83°

Seabrook Island, Sunday, 9 August, 19:03

Partly cloudy. Feels like 93°. High 89°, low 75°.

Pressure30.09 inHg

Wind1 mph SW

Humidity85%

Visibility6.2 mi

Dew point78°

See detailed hourly forecast

In September, Seabrook Island, SC averages a high of 81.4° and a low of 72.3°. About 4.8 inches of precipitation fall over the month (13 wet days). The record high is 94.1° (2020) and the record low 53.4° (1967). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	83.3°	74.8°	57%	90.5° (1970)	64.6° (2025)
2	82.9°	74.5°	60%	89.8° (2020)	66.2° (1967)
3	83.3°	74.1°	45%	90.9° (2020)	65.8° (2025)
4	82.9°	74.3°	45%	94.1° (2020)	66.9° (1994)
5	82.6°	74.1°	60%	89.4° (2020)	66° (1994)
6	82.8°	73.8°	58%	90.9° (2023)	67.1° (1972)
7	82.9°	73.9°	50%	90.3° (1983)	67.1° (1972)
8	82.4°	73.6°	47%	88.9° (1983)	66.7° (1988)
9	82°	73.4°	48%	88.5° (2010)	66.4° (2025)
10	82.6°	73°	42%	90.3° (1985)	61.5° (2017)
11	82.2°	73°	43%	90.3° (1985)	63° (1998)
12	82.2°	73°	47%	87.8° (1991)	65.1° (1967)
13	82°	73°	37%	90.5° (2018)	63.7° (1964)
14	82.2°	72.7°	40%	89.8° (2018)	59.5° (1985)
15	82.4°	72.5°	35%	89.2° (1991)	64.2° (2001)
16	82°	72.7°	43%	88.7° (1980)	61° (2001)
17	81.1°	72.5°	47%	90.5° (2019)	61.9° (1961)
18	81.5°	72.3°	40%	88.7° (1972)	62.6° (1961)
19	81°	71.6°	43%	88.2° (2018)	61° (1981)
20	80.8°	71.8°	52%	89.6° (2010)	59.7° (2020)
21	80.8°	72°	48%	87.4° (1990)	58.1° (2020)
22	81°	71.4°	42%	88.9° (1990)	56.5° (2020)
23	80.4°	70.3°	35%	86.2° (1980)	59.4° (2020)
24	79.3°	70.2°	30%	86.4° (1961)	58.6° (1963)
25	79.9°	70.9°	37%	86.7° (2018)	60.8° (2008)
26	79.9°	70.9°	48%	87.4° (2017)	61.2° (1974)
27	79.9°	71.4°	43%	89.4° (2017)	60.3° (2000)
28	79.9°	70.3°	43%	90.3° (2017)	60.1° (1962)
29	78.4°	69.4°	35%	86.2° (2017)	58.1° (1967)
30	77.9°	68.5°	38%	86.7° (2019)	53.4° (1967)