As of 11:43 EDT

Harleyville, SC weather in September

91°

Harleyville, Sunday, 9 August, 11:43

Clear. Feels like 104°. High 91°, low 74°.

Pressure30.12 inHg

Wind3 mph SW

Humidity66%

Visibility6.2 mi

Dew point78°

See detailed hourly forecast

In September, Harleyville, SC averages a high of 83.2° and a low of 68.6°. About 4.1 inches of precipitation fall over the month (11 wet days). The record high is 98.6° (2020) and the record low 49.6° (1967). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	85.6°	71.4°	43%	93.7° (1994)	60.6° (1999)
2	85.3°	71.6°	53%	96.3° (2020)	63.3° (1967)
3	85.6°	70.7°	43%	97.2° (2020)	60.1° (2023)
4	85.3°	70.7°	43%	98.6° (2020)	61.5° (2021)
5	84.6°	70.5°	55%	94.8° (1999)	59.2° (1997)
6	84.9°	70.5°	52%	93.4° (1983)	59° (1997)
7	85.1°	70.3°	43%	93.7° (1990)	59.9° (1997)
8	84.6°	70.2°	45%	94.3° (1990)	61.9° (1972)
9	84°	70.2°	43%	92.3° (1973)	62.4° (1966)
10	84.6°	69.4°	38%	92.8° (1985)	56.7° (1998)
11	84.2°	69.3°	42%	93.6° (1983)	57.4° (1998)
12	84.2°	69.4°	35%	93° (1983)	56.1° (1976)
13	83.7°	69.1°	28%	92.1° (1963)	59.7° (1969)
14	83.7°	68.9°	35%	93.7° (1984)	55° (1985)
15	84.2°	68.5°	33%	94.5° (1980)	58.1° (1996)
16	83.5°	68.7°	43%	96.3° (1980)	58.3° (2001)
17	82.8°	68.7°	38%	94.5° (2005)	57.4° (2001)
18	82.9°	68.5°	38%	91.9° (1972)	57° (2001)
19	82.6°	67.8°	35%	91.8° (1978)	57.7° (2023)
20	82.6°	67.8°	40%	94.1° (2010)	54.9° (1981)
21	82.6°	68.4°	38%	91.4° (1990)	55.8° (2020)
22	82.8°	67.6°	38%	93.7° (1990)	53.2° (2020)
23	82°	66.2°	22%	93.4° (1980)	51.1° (1999)
24	80.8°	65.7°	27%	92.1° (1980)	53.6° (1963)
25	81.5°	66.2°	30%	91.6° (2025)	54.3° (1990)
26	81.5°	66.9°	32%	94.3° (2019)	55.9° (1981)
27	81.5°	67.5°	32%	93.2° (1986)	55.6° (1982)
28	81.1°	66.4°	40%	92.7° (2017)	55.4° (1962)
29	79.5°	66°	27%	92.5° (2019)	55° (1962)
30	78.4°	64.4°	35%	92.8° (2019)	49.6° (1967)