Darien September Weather Averages Connecticut, United States of America

September Weather Averages for Darien

High Temp	23°C	74°F
Low Temp	17°C	62°F
Avg Temp	20°C	68°F
Sunshine Hours	204 hours
Rainfall	109.37 mm	4.31 In
Rain days	7 days
Pressure	1018 mb	31 In

Darien September Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	23°C / 74°F	16°C / 61°F	19°C / 67°F	247 hours	198.99 mm / 7.83 In	7 days	1019 mb / 31 In
2009	22°C / 71°F	15°C / 58°F	18°C / 65°F	210 hours	47.51 mm / 1.87 In	2 days	1018 mb / 31 In
2010	24°C / 75°F	16°C / 62°F	20°C / 68°F	246 hours	88.00 mm / 3.46 In	6 days	1014 mb / 30 In
2011	23°C / 73°F	17°C / 62°F	19°C / 67°F	172 hours	159.45 mm / 6.28 In	11 days	1016 mb / 30 In
2012	22°C / 72°F	16°C / 61°F	19°C / 67°F	205 hours	179.20 mm / 7.06 In	8 days	1016 mb / 30 In
2013	22°C / 72°F	14°C / 58°F	18°C / 65°F	257 hours	86.16 mm / 3.39 In	8 days	1016 mb / 30 In
2014	23°C / 74°F	16°C / 60°F	19°C / 67°F	246 hours	41.25 mm / 1.62 In	6 days	1019 mb / 31 In
2015	25°C / 76°F	17°C / 63°F	21°C / 70°F	177 hours	97.33 mm / 3.83 In	6 days	1018 mb / 31 In
2016	24°C / 76°F	18°C / 64°F	21°C / 69°F	223 hours	66.46 mm / 2.62 In	8 days	1019 mb / 31 In
2017	24°C / 75°F	18°C / 64°F	21°C / 69°F	200 hours	66.57 mm / 2.62 In	7 days	1017 mb / 30 In
2018	24°C / 75°F	19°C / 66°F	21°C / 70°F	122 hours	186.37 mm / 7.34 In	12 days	1021 mb / 31 In
2019	24°C / 75°F	17°C / 63°F	20°C / 69°F	233 hours	36.42 mm / 1.43 In	5 days	1019 mb / 31 In
2020	23°C / 74°F	17°C / 63°F	20°C / 68°F	211 hours	112.71 mm / 4.44 In	4 days	1019 mb / 31 In
2021	24°C / 75°F	17°C / 63°F	20°C / 69°F	174 hours	150.04 mm / 5.91 In	7 days	1016 mb / 30 In
2022	24°C / 75°F	16°C / 61°F	20°C / 67°F	231 hours	95.90 mm / 3.78 In	8 days	1017 mb / 30 In
2023	24°C / 76°F	16°C / 61°F	20°C / 68°F	171 hours	248.73 mm / 9.79 In	6 days	1018 mb / 31 In
2024	22°C / 72°F	16°C / 61°F	19°C / 67°F	180 hours	87.84 mm / 3.46 In	4 days	1019 mb / 31 In

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