Syosset September Weather Averages New York, United States of America

September Weather Averages for Syosset

High Temp	23°C	74°F
Low Temp	18°C	64°F
Avg Temp	21°C	69°F
Sunshine Hours	214 hours
Rainfall	95.10 mm	3.74 In
Rain days	6 days
Pressure	1018 mb	31 In

Syosset September Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	23°C / 73°F	18°C / 64°F	20°C / 68°F	258 hours	167.41 mm / 6.59 In	6 days	1019 mb / 31 In
2009	21°C / 71°F	16°C / 62°F	19°C / 66°F	218 hours	54.20 mm / 2.13 In	2 days	1018 mb / 31 In
2010	23°C / 74°F	18°C / 64°F	20°C / 69°F	250 hours	78.77 mm / 3.10 In	5 days	1014 mb / 30 In
2011	22°C / 72°F	18°C / 65°F	20°C / 68°F	193 hours	121.01 mm / 4.76 In	9 days	1016 mb / 30 In
2012	22°C / 72°F	18°C / 64°F	20°C / 68°F	218 hours	118.89 mm / 4.68 In	8 days	1016 mb / 30 In
2013	22°C / 71°F	16°C / 60°F	19°C / 66°F	277 hours	44.96 mm / 1.77 In	4 days	1016 mb / 30 In
2014	23°C / 73°F	17°C / 63°F	20°C / 68°F	258 hours	44.46 mm / 1.75 In	5 days	1018 mb / 31 In
2015	24°C / 75°F	19°C / 66°F	21°C / 70°F	192 hours	84.11 mm / 3.31 In	5 days	1018 mb / 31 In
2016	23°C / 74°F	19°C / 66°F	21°C / 70°F	224 hours	75.50 mm / 2.97 In	8 days	1019 mb / 31 In
2017	23°C / 74°F	18°C / 65°F	21°C / 70°F	235 hours	67.20 mm / 2.65 In	7 days	1016 mb / 30 In
2018	23°C / 74°F	20°C / 67°F	22°C / 71°F	139 hours	176.96 mm / 6.97 In	12 days	1021 mb / 31 In
2019	23°C / 73°F	19°C / 65°F	21°C / 69°F	233 hours	45.50 mm / 1.79 In	3 days	1019 mb / 31 In
2020	24°C / 75°F	18°C / 65°F	21°C / 70°F	213 hours	70.30 mm / 2.77 In	4 days	1019 mb / 31 In
2021	25°C / 76°F	19°C / 66°F	22°C / 71°F	182 hours	140.90 mm / 5.55 In	7 days	1016 mb / 30 In
2022	24°C / 76°F	18°C / 64°F	21°C / 70°F	237 hours	84.00 mm / 3.31 In	4 days	1017 mb / 30 In
2023	25°C / 77°F	18°C / 64°F	21°C / 70°F	179 hours	232.46 mm / 9.15 In	8 days	1017 mb / 31 In
2024	23°C / 73°F	18°C / 64°F	20°C / 68°F	171 hours	82.41 mm / 3.24 In	6 days	1019 mb / 31 In

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