As of 01:06 EDT

Myrtle Beach, SC weather in September

77°

Myrtle Beach, Sunday, 9 August, 01:06

Overcast. Feels like 78°. High 91°, low 72°.

Pressure30.12 inHg

Wind1 mph SW

Humidity91%

Visibility6.2 mi

Dew point73°

See detailed hourly forecast

In September, Myrtle Beach, SC averages a high of 80.6° and a low of 70.1°. About 5.6 inches of precipitation fall over the month (13 wet days). The record high is 93.2° (2020) and the record low 52.3° (2020). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	83.1°	72.7°	45%	89.1° (1993)	62.2° (2025)
2	82.4°	72.7°	52%	90.1° (2020)	62.6° (1967)
3	82.9°	72.1°	40%	92.1° (2020)	59.5° (2023)
4	82.6°	72.3°	40%	93.2° (2020)	64.4° (1994)
5	82.2°	72.1°	63%	91.4° (2023)	62.4° (1994)
6	82.6°	72.3°	50%	92.7° (1983)	63.1° (1997)
7	82.4°	72°	45%	91.8° (1983)	62.2° (1997)
8	82°	71.6°	50%	90.3° (1983)	62.2° (2017)
9	81.5°	71.4°	47%	89.8° (1978)	62.2° (1998)
10	81.9°	71.1°	40%	90° (1983)	60.8° (1998)
11	81.3°	70.9°	42%	89.8° (2002)	60.8° (1998)
12	81.3°	70.9°	38%	88.5° (1983)	58.8° (1976)
13	81.1°	70.3°	50%	88° (1963)	61.2° (1967)
14	81°	70.5°	42%	88.3° (1991)	56.7° (1985)
15	81.3°	70.5°	37%	90.7° (1980)	59.7° (1985)
16	81°	70°	48%	88° (2019)	55° (2023)
17	80.2°	69.8°	43%	87.8° (2019)	59.4° (1984)
18	80.2°	69.8°	53%	87.8° (1987)	59.9° (2001)
19	80.1°	69.3°	35%	88.5° (1978)	59° (1981)
20	79.9°	69.1°	38%	87.1° (2022)	57° (1984)
21	79.9°	69.6°	42%	86.5° (1986)	56.1° (2020)
22	79.9°	68.9°	37%	90° (2022)	53.8° (2020)
23	79°	67.6°	32%	88° (1980)	52.3° (2020)
24	78.4°	67.1°	28%	87.6° (2019)	55.6° (1974)
25	78.8°	68.2°	48%	88.9° (1986)	55.4° (1990)
26	79.2°	68.5°	47%	88.3° (1986)	56.8° (1981)
27	79.2°	68.9°	37%	90.7° (1986)	57.6° (2000)
28	79.2°	68.2°	45%	90.7° (2017)	57.4° (1962)
29	77.2°	67.3°	35%	90° (2019)	57.4° (2001)
30	76.8°	66°	43%	86.2° (1973)	54.3° (1970)