As of 02:30 EDT

Decatur, GA weather in September

73°

Decatur, Sunday, 9 August, 02:30

Clear. Feels like 74°. High 93°, low 71°.

Pressure30.09 inHg

Wind3.4 mph S

Humidity84%

Visibility6.2 mi

Dew point68°

See detailed hourly forecast

In September, Decatur, GA averages a high of 81° and a low of 64.8°. About 3.7 inches of precipitation fall over the month (9 wet days). The record high is 95.5° (1970) and the record low 39.2° (1967). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	83.8°	68.7°	45%	95° (1970)	60.8° (1968)
2	83.7°	68.4°	33%	95.5° (1970)	58.6° (1968)
3	83.8°	68°	40%	94.8° (2011)	58.3° (1967)
4	83.5°	67.6°	38%	95.2° (2019)	57.6° (1994)
5	83.3°	67.5°	35%	94.1° (1999)	56.7° (1967)
6	83.1°	67.1°	32%	94.1° (1999)	56.7° (1984)
7	83.1°	66.9°	25%	94.8° (1990)	53.2° (2017)
8	83.7°	66.6°	23%	95° (1990)	53.8° (2017)
9	83.3°	66.6°	25%	95.2° (2019)	57.7° (2011)
10	83.1°	66°	33%	94.3° (2002)	55.8° (1969)
11	82.9°	66.2°	30%	94.3° (2010)	52.5° (1976)
12	82.6°	66.4°	30%	95° (2019)	54.1° (1976)
13	81.9°	65.3°	35%	92.8° (2019)	54.3° (1968)
14	82.2°	65.3°	25%	91.2° (1962)	52.9° (2015)
15	81.7°	65.1°	20%	93° (1980)	52.3° (1985)
16	80.8°	65.1°	27%	92.5° (1980)	52.3° (1967)
17	80.6°	65.5°	38%	92.7° (2019)	52.7° (2001)
18	80.2°	64.6°	37%	90.5° (2010)	51.8° (1981)
19	80.8°	63.7°	27%	91.2° (1997)	48.6° (1981)
20	81.1°	64.2°	22%	93.6° (2010)	49.8° (1981)
21	80.6°	64.4°	35%	92.7° (2010)	52.7° (2020)
22	79.3°	63.3°	30%	93.6° (2024)	48° (1983)
23	79.7°	62.2°	18%	92.5° (2024)	45.3° (1983)
24	78.1°	62.2°	28%	90.9° (2019)	49.3° (1990)
25	78.3°	61.5°	35%	91.2° (2016)	49.6° (1983)
26	78.1°	62.2°	37%	91.2° (2019)	46.4° (2001)
27	77.4°	62.4°	42%	93.6° (2019)	46.8° (2001)
28	77.5°	61.3°	32%	91.4° (1986)	47.5° (1985)
29	76.1°	60.8°	23%	90.3° (2019)	45° (1967)
30	75.9°	58.8°	28%	92.1° (2019)	39.2° (1967)