Cahokia September Weather Averages Illinois, United States of America

September Weather Averages for Cahokia

High Temp	27°C	81°F
Low Temp	17°C	62°F
Avg Temp	22°C	71°F
Sunshine Hours	239 hours
Rainfall	96.68 mm	3.81 In
Rain days	6 days
Pressure	1016 mb	30 In

Cahokia September Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	26°C / 79°F	16°C / 61°F	21°C / 69°F	236 hours	226.39 mm / 8.91 In	8 days	1018 mb / 31 In
2009	26°C / 79°F	16°C / 60°F	20°C / 69°F	277 hours	88.82 mm / 3.50 In	6 days	1017 mb / 31 In
2010	26°C / 79°F	16°C / 61°F	21°C / 70°F	263 hours	137.42 mm / 5.41 In	10 days	1015 mb / 30 In
2011	23°C / 74°F	14°C / 57°F	18°C / 65°F	226 hours	132.44 mm / 5.21 In	8 days	1016 mb / 30 In
2012	25°C / 76°F	15°C / 59°F	19°C / 67°F	204 hours	181.20 mm / 7.13 In	12 days	1016 mb / 30 In
2013	28°C / 82°F	17°C / 62°F	22°C / 72°F	273 hours	48.22 mm / 1.90 In	6 days	1015 mb / 30 In
2014	26°C / 78°F	15°C / 59°F	20°C / 68°F	222 hours	63.71 mm / 2.51 In	7 days	1018 mb / 31 In
2015	27°C / 81°F	18°C / 64°F	22°C / 72°F	204 hours	63.37 mm / 2.49 In	4 days	1017 mb / 31 In
2016	27°C / 80°F	18°C / 64°F	22°C / 72°F	245 hours	216.37 mm / 8.52 In	9 days	1017 mb / 31 In
2017	28°C / 83°F	18°C / 64°F	23°C / 73°F	279 hours	28.31 mm / 1.11 In	2 days	1017 mb / 31 In
2018	28°C / 82°F	19°C / 66°F	23°C / 73°F	241 hours	154.60 mm / 6.09 In	7 days	1017 mb / 31 In
2019	29°C / 84°F	20°C / 68°F	24°C / 75°F	258 hours	46.23 mm / 1.82 In	7 days	1017 mb / 30 In
2020	26°C / 78°F	17°C / 62°F	21°C / 69°F	220 hours	43.42 mm / 1.71 In	4 days	1017 mb / 31 In
2021	29°C / 85°F	18°C / 64°F	23°C / 73°F	231 hours	52.70 mm / 2.07 In	5 days	1015 mb / 30 In
2022	28°C / 82°F	16°C / 62°F	22°C / 71°F	239 hours	43.60 mm / 1.72 In	4 days	1017 mb / 30 In
2023	31°C / 88°F	16°C / 61°F	23°C / 73°F	244 hours	71.61 mm / 2.82 In	3 days	1016 mb / 30 In
2024	28°C / 82°F	17°C / 62°F	22°C / 71°F	203 hours	174.83 mm / 6.88 In	5 days	1015 mb / 30 In

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