Greenwich September Weather Averages Connecticut, United States of America

September Weather Averages for Greenwich

High Temp	24°C	75°F
Low Temp	17°C	62°F
Avg Temp	20°C	68°F
Sunshine Hours	206 hours
Rainfall	109.80 mm	4.32 In
Rain days	7 days
Pressure	1018 mb	31 In

Greenwich September Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	24°C / 75°F	16°C / 61°F	20°C / 67°F	248 hours	198.58 mm / 7.82 In	7 days	1019 mb / 31 In
2009	22°C / 72°F	15°C / 59°F	18°C / 65°F	211 hours	46.44 mm / 1.83 In	2 days	1018 mb / 31 In
2010	24°C / 75°F	17°C / 62°F	20°C / 68°F	241 hours	87.96 mm / 3.46 In	6 days	1014 mb / 30 In
2011	23°C / 73°F	17°C / 63°F	20°C / 68°F	171 hours	165.30 mm / 6.51 In	12 days	1016 mb / 30 In
2012	23°C / 73°F	16°C / 61°F	19°C / 67°F	207 hours	185.61 mm / 7.31 In	8 days	1016 mb / 30 In
2013	23°C / 73°F	14°C / 58°F	18°C / 65°F	260 hours	88.64 mm / 3.49 In	8 days	1016 mb / 30 In
2014	24°C / 75°F	16°C / 61°F	20°C / 67°F	253 hours	40.69 mm / 1.60 In	6 days	1019 mb / 31 In
2015	25°C / 77°F	17°C / 63°F	21°C / 70°F	174 hours	96.94 mm / 3.82 In	6 days	1018 mb / 31 In
2016	25°C / 76°F	18°C / 64°F	21°C / 70°F	220 hours	68.38 mm / 2.69 In	8 days	1019 mb / 31 In
2017	25°C / 77°F	18°C / 64°F	21°C / 70°F	209 hours	65.62 mm / 2.58 In	7 days	1016 mb / 30 In
2018	25°C / 76°F	19°C / 66°F	22°C / 71°F	128 hours	187.75 mm / 7.39 In	12 days	1021 mb / 31 In
2019	24°C / 75°F	17°C / 63°F	21°C / 69°F	238 hours	35.40 mm / 1.39 In	5 days	1019 mb / 31 In
2020	24°C / 75°F	17°C / 63°F	20°C / 69°F	210 hours	103.63 mm / 4.08 In	4 days	1019 mb / 31 In
2021	24°C / 76°F	17°C / 63°F	21°C / 69°F	183 hours	150.78 mm / 5.94 In	7 days	1016 mb / 30 In
2022	24°C / 76°F	16°C / 61°F	20°C / 68°F	238 hours	95.90 mm / 3.78 In	8 days	1017 mb / 30 In
2023	24°C / 76°F	17°C / 62°F	20°C / 68°F	175 hours	245.36 mm / 9.66 In	7 days	1018 mb / 31 In
2024	22°C / 72°F	16°C / 62°F	19°C / 67°F	180 hours	92.38 mm / 3.64 In	5 days	1019 mb / 31 In

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