Pontiac September Weather Averages Illinois, United States of America

September Weather Averages for Pontiac

High Temp	25°C	77°F
Low Temp	14°C	58°F
Avg Temp	19°C	67°F
Sunshine Hours	236 hours
Rainfall	74.51 mm	2.93 In
Rain days	6 days
Pressure	1017 mb	31 In

Pontiac September Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	24°C / 75°F	14°C / 57°F	19°C / 65°F	218 hours	231.04 mm / 9.10 In	8 days	1018 mb / 31 In
2009	24°C / 75°F	13°C / 56°F	18°C / 65°F	225 hours	37.41 mm / 1.47 In	4 days	1018 mb / 31 In
2010	24°C / 76°F	14°C / 57°F	19°C / 66°F	246 hours	109.58 mm / 4.31 In	10 days	1015 mb / 30 In
2011	21°C / 71°F	12°C / 54°F	17°C / 62°F	208 hours	89.70 mm / 3.53 In	10 days	1015 mb / 30 In
2012	23°C / 73°F	12°C / 54°F	17°C / 63°F	221 hours	94.77 mm / 3.73 In	4 days	1016 mb / 30 In
2013	26°C / 78°F	14°C / 57°F	20°C / 67°F	284 hours	53.60 mm / 2.11 In	4 days	1016 mb / 30 In
2014	23°C / 74°F	12°C / 54°F	17°C / 63°F	250 hours	87.12 mm / 3.43 In	7 days	1018 mb / 31 In
2015	26°C / 79°F	16°C / 60°F	20°C / 69°F	219 hours	78.50 mm / 3.09 In	4 days	1017 mb / 31 In
2016	25°C / 77°F	16°C / 61°F	20°C / 69°F	212 hours	72.93 mm / 2.87 In	9 days	1017 mb / 31 In
2017	26°C / 79°F	15°C / 58°F	20°C / 68°F	293 hours	24.40 mm / 0.96 In	3 days	1017 mb / 31 In
2018	25°C / 77°F	16°C / 60°F	20°C / 68°F	205 hours	83.00 mm / 3.27 In	9 days	1018 mb / 31 In
2019	25°C / 78°F	17°C / 62°F	21°C / 70°F	204 hours	159.75 mm / 6.29 In	10 days	1017 mb / 30 In
2020	23°C / 74°F	13°C / 56°F	18°C / 65°F	210 hours	89.18 mm / 3.51 In	6 days	1018 mb / 31 In
2021	27°C / 81°F	16°C / 61°F	21°C / 70°F	276 hours	49.50 mm / 1.95 In	4 days	1015 mb / 30 In
2022	26°C / 79°F	14°C / 58°F	20°C / 68°F	256 hours	52.00 mm / 2.05 In	5 days	1017 mb / 31 In
2023	28°C / 83°F	13°C / 56°F	20°C / 68°F	217 hours	71.54 mm / 2.82 In	4 days	1017 mb / 31 In
2024	27°C / 81°F	15°C / 59°F	21°C / 69°F	242 hours	39.24 mm / 1.54 In	2 days	1017 mb / 30 In

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