Alpharetta September Weather Averages Georgia, United States of America

September Weather Averages for Alpharetta

High Temp	28°C	83°F
Low Temp	19°C	66°F
Avg Temp	23°C	73°F
Sunshine Hours	218 hours
Rainfall	131.59 mm	5.18 In
Rain days	7 days
Pressure	1017 mb	30 In

Alpharetta September Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	28°C / 82°F	18°C / 64°F	22°C / 72°F	240 hours	21.30 mm / 0.84 In	6 days	1017 mb / 31 In
2009	25°C / 78°F	18°C / 64°F	21°C / 70°F	167 hours	231.88 mm / 9.13 In	13 days	1017 mb / 31 In
2010	31°C / 88°F	18°C / 65°F	24°C / 75°F	316 hours	76.17 mm / 3.00 In	3 days	1015 mb / 30 In
2011	27°C / 80°F	16°C / 61°F	21°C / 70°F	217 hours	123.11 mm / 4.85 In	5 days	1015 mb / 30 In
2012	27°C / 81°F	17°C / 62°F	21°C / 70°F	220 hours	76.35 mm / 3.01 In	7 days	1017 mb / 31 In
2013	27°C / 81°F	17°C / 62°F	21°C / 71°F	269 hours	70.90 mm / 2.79 In	5 days	1016 mb / 30 In
2014	28°C / 83°F	18°C / 65°F	22°C / 72°F	215 hours	54.70 mm / 2.15 In	4 days	1018 mb / 31 In
2015	27°C / 80°F	18°C / 64°F	22°C / 71°F	119 hours	101.14 mm / 3.98 In	12 days	1016 mb / 30 In
2016	30°C / 86°F	19°C / 67°F	24°C / 76°F	285 hours	41.17 mm / 1.62 In	4 days	1017 mb / 31 In
2017	28°C / 82°F	19°C / 65°F	23°C / 73°F	237 hours	89.02 mm / 3.50 In	5 days	1016 mb / 30 In
2018	30°C / 86°F	22°C / 72°F	26°C / 78°F	166 hours	157.84 mm / 6.21 In	13 days	1018 mb / 31 In
2019	33°C / 91°F	22°C / 72°F	27°C / 81°F	307 hours	8.11 mm / 0.32 In	3 days	1018 mb / 31 In
2020	27°C / 80°F	19°C / 67°F	22°C / 72°F	155 hours	233.82 mm / 9.21 In	10 days	1017 mb / 31 In
2021	27°C / 80°F	18°C / 65°F	22°C / 72°F	196 hours	138.20 mm / 5.44 In	9 days	1017 mb / 31 In
2022	28°C / 82°F	18°C / 65°F	23°C / 73°F	230 hours	74.30 mm / 2.93 In	8 days	1017 mb / 31 In
2023	30°C / 86°F	19°C / 66°F	24°C / 75°F	230 hours	26.11 mm / 1.03 In	1 days	1017 mb / 30 In
2024	27°C / 81°F	20°C / 68°F	23°C / 74°F	154 hours	602.64 mm / 23.73 In	11 days	1014 mb / 30 In

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