Arlington Heights September Weather Averages Illinois, United States of America

September Weather Averages for Arlington Heights

High Temp	24°C	74°F
Low Temp	15°C	60°F
Avg Temp	19°C	67°F
Sunshine Hours	229 hours
Rainfall	80.18 mm	3.16 In
Rain days	6 days
Pressure	1017 mb	31 In

Arlington Heights September Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	22°C / 72°F	15°C / 59°F	18°C / 65°F	218 hours	257.12 mm / 10.12 In	8 days	1018 mb / 31 In
2009	22°C / 71°F	14°C / 58°F	18°C / 64°F	238 hours	36.07 mm / 1.42 In	4 days	1019 mb / 31 In
2010	22°C / 71°F	14°C / 57°F	18°C / 64°F	226 hours	86.50 mm / 3.41 In	5 days	1015 mb / 30 In
2011	20°C / 67°F	13°C / 55°F	16°C / 61°F	199 hours	112.87 mm / 4.44 In	9 days	1015 mb / 30 In
2012	22°C / 72°F	13°C / 55°F	17°C / 63°F	265 hours	44.09 mm / 1.74 In	4 days	1016 mb / 30 In
2013	23°C / 73°F	15°C / 58°F	19°C / 66°F	249 hours	38.17 mm / 1.50 In	4 days	1016 mb / 30 In
2014	22°C / 72°F	13°C / 55°F	17°C / 63°F	238 hours	93.93 mm / 3.70 In	6 days	1018 mb / 31 In
2015	24°C / 76°F	16°C / 60°F	20°C / 67°F	209 hours	90.32 mm / 3.56 In	5 days	1018 mb / 31 In
2016	24°C / 75°F	17°C / 62°F	20°C / 68°F	212 hours	69.32 mm / 2.73 In	9 days	1017 mb / 31 In
2017	25°C / 78°F	17°C / 62°F	21°C / 70°F	304 hours	33.86 mm / 1.33 In	4 days	1017 mb / 31 In
2018	24°C / 76°F	17°C / 63°F	21°C / 69°F	217 hours	111.48 mm / 4.39 In	9 days	1019 mb / 31 In
2019	25°C / 76°F	18°C / 64°F	21°C / 70°F	180 hours	189.59 mm / 7.46 In	12 days	1016 mb / 30 In
2020	22°C / 71°F	15°C / 59°F	18°C / 65°F	225 hours	120.85 mm / 4.76 In	5 days	1017 mb / 31 In
2021	26°C / 79°F	17°C / 62°F	21°C / 70°F	250 hours	42.00 mm / 1.65 In	6 days	1014 mb / 30 In
2022	24°C / 76°F	15°C / 60°F	19°C / 67°F	225 hours	66.60 mm / 2.62 In	5 days	1017 mb / 31 In
2023	26°C / 80°F	16°C / 60°F	20°C / 69°F	184 hours	127.36 mm / 5.01 In	4 days	1017 mb / 31 In
2024	26°C / 79°F	17°C / 62°F	21°C / 70°F	236 hours	19.90 mm / 0.78 In	2 days	1017 mb / 31 In

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