Iowa City September Weather Averages Iowa, United States of America

September Weather Averages for Iowa City

High Temp	25°C	77°F
Low Temp	14°C	57°F
Avg Temp	19°C	67°F
Sunshine Hours	233 hours
Rainfall	95.69 mm	3.77 In
Rain days	6 days
Pressure	1016 mb	30 In

Iowa City September Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	23°C / 74°F	13°C / 55°F	18°C / 64°F	217 hours	175.87 mm / 6.92 In	8 days	1018 mb / 31 In
2009	23°C / 74°F	13°C / 55°F	18°C / 64°F	223 hours	49.17 mm / 1.94 In	4 days	1018 mb / 31 In
2010	23°C / 73°F	13°C / 55°F	17°C / 63°F	205 hours	163.78 mm / 6.45 In	9 days	1015 mb / 30 In
2011	20°C / 69°F	11°C / 52°F	16°C / 60°F	211 hours	64.89 mm / 2.55 In	5 days	1016 mb / 30 In
2012	23°C / 74°F	11°C / 52°F	17°C / 63°F	260 hours	38.50 mm / 1.52 In	5 days	1016 mb / 30 In
2013	26°C / 79°F	15°C / 58°F	20°C / 68°F	257 hours	66.70 mm / 2.63 In	7 days	1015 mb / 30 In
2014	23°C / 73°F	12°C / 54°F	18°C / 64°F	224 hours	77.02 mm / 3.03 In	5 days	1017 mb / 31 In
2015	26°C / 79°F	16°C / 61°F	21°C / 70°F	207 hours	116.03 mm / 4.57 In	6 days	1017 mb / 30 In
2016	25°C / 78°F	16°C / 61°F	20°C / 69°F	217 hours	134.27 mm / 5.29 In	7 days	1017 mb / 31 In
2017	27°C / 81°F	15°C / 59°F	21°C / 70°F	306 hours	31.03 mm / 1.22 In	4 days	1017 mb / 31 In
2018	24°C / 75°F	15°C / 59°F	19°C / 67°F	181 hours	235.65 mm / 9.28 In	11 days	1018 mb / 31 In
2019	26°C / 78°F	17°C / 62°F	21°C / 70°F	193 hours	204.77 mm / 8.06 In	10 days	1015 mb / 30 In
2020	22°C / 72°F	13°C / 55°F	18°C / 64°F	217 hours	139.47 mm / 5.49 In	8 days	1017 mb / 31 In
2021	29°C / 83°F	16°C / 60°F	22°C / 71°F	286 hours	55.50 mm / 2.19 In	2 days	1014 mb / 30 In
2022	27°C / 81°F	14°C / 58°F	20°C / 68°F	244 hours	58.80 mm / 2.31 In	4 days	1016 mb / 30 In
2023	30°C / 87°F	13°C / 55°F	21°C / 70°F	233 hours	55.05 mm / 2.17 In	2 days	1016 mb / 30 In
2024	27°C / 80°F	13°C / 56°F	19°C / 67°F	269 hours	40.42 mm / 1.59 In	1 days	1017 mb / 31 In

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