Algonquin September Weather Averages Illinois, United States of America

September Weather Averages for Algonquin

High Temp	23°C	74°F
Low Temp	14°C	57°F
Avg Temp	18°C	65°F
Sunshine Hours	224 hours
Rainfall	75.09 mm	2.96 In
Rain days	6 days
Pressure	1017 mb	31 In

Algonquin September Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	23°C / 73°F	14°C / 57°F	18°C / 64°F	212 hours	230.86 mm / 9.09 In	8 days	1018 mb / 31 In
2009	22°C / 72°F	13°C / 56°F	17°C / 63°F	232 hours	37.10 mm / 1.46 In	6 days	1019 mb / 31 In
2010	22°C / 72°F	13°C / 56°F	17°C / 63°F	227 hours	69.90 mm / 2.75 In	7 days	1015 mb / 30 In
2011	19°C / 67°F	12°C / 53°F	16°C / 60°F	196 hours	106.20 mm / 4.18 In	7 days	1015 mb / 30 In
2012	22°C / 72°F	12°C / 53°F	17°C / 62°F	260 hours	38.00 mm / 1.50 In	6 days	1016 mb / 30 In
2013	23°C / 74°F	14°C / 56°F	18°C / 65°F	257 hours	26.94 mm / 1.06 In	4 days	1016 mb / 30 In
2014	22°C / 72°F	12°C / 53°F	17°C / 62°F	238 hours	72.60 mm / 2.86 In	6 days	1018 mb / 31 In
2015	24°C / 76°F	15°C / 59°F	19°C / 67°F	206 hours	86.95 mm / 3.42 In	7 days	1017 mb / 31 In
2016	24°C / 75°F	16°C / 60°F	19°C / 67°F	204 hours	70.10 mm / 2.76 In	7 days	1017 mb / 31 In
2017	25°C / 77°F	15°C / 59°F	20°C / 67°F	307 hours	29.70 mm / 1.17 In	5 days	1017 mb / 31 In
2018	24°C / 75°F	15°C / 59°F	19°C / 67°F	198 hours	112.99 mm / 4.45 In	9 days	1019 mb / 31 In
2019	24°C / 75°F	16°C / 61°F	20°C / 68°F	172 hours	164.27 mm / 6.47 In	10 days	1016 mb / 30 In
2020	21°C / 69°F	12°C / 54°F	16°C / 62°F	216 hours	122.31 mm / 4.82 In	7 days	1017 mb / 31 In
2021	26°C / 79°F	15°C / 59°F	20°C / 68°F	244 hours	47.90 mm / 1.89 In	5 days	1014 mb / 30 In
2022	24°C / 75°F	13°C / 56°F	18°C / 64°F	219 hours	85.60 mm / 3.37 In	4 days	1017 mb / 31 In
2023	27°C / 80°F	13°C / 56°F	19°C / 66°F	181 hours	121.62 mm / 4.79 In	4 days	1017 mb / 31 In
2024	25°C / 77°F	14°C / 56°F	19°C / 66°F	232 hours	9.30 mm / 0.37 In	1 days	1017 mb / 31 In

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