Des Moines September Weather Averages Iowa, United States of America

September Weather Averages for Des Moines

High Temp	26°C	78°F
Low Temp	14°C	57°F
Avg Temp	20°C	67°F
Sunshine Hours	250 hours
Rainfall	91.95 mm	3.62 In
Rain days	6 days
Pressure	1016 mb	30 In

Des Moines September Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	23°C / 73°F	13°C / 55°F	18°C / 64°F	247 hours	130.09 mm / 5.12 In	3 days	1018 mb / 31 In
2009	23°C / 74°F	12°C / 54°F	17°C / 63°F	260 hours	64.58 mm / 2.54 In	3 days	1018 mb / 31 In
2010	23°C / 73°F	13°C / 55°F	17°C / 63°F	208 hours	125.28 mm / 4.93 In	5 days	1015 mb / 30 In
2011	21°C / 69°F	11°C / 52°F	16°C / 60°F	257 hours	37.70 mm / 1.48 In	3 days	1017 mb / 31 In
2012	24°C / 76°F	12°C / 53°F	18°C / 64°F	276 hours	45.66 mm / 1.80 In	5 days	1016 mb / 30 In
2013	27°C / 80°F	15°C / 58°F	20°C / 69°F	275 hours	60.01 mm / 2.36 In	6 days	1014 mb / 30 In
2014	22°C / 72°F	12°C / 54°F	17°C / 63°F	206 hours	105.91 mm / 4.17 In	10 days	1017 mb / 31 In
2015	26°C / 79°F	16°C / 61°F	21°C / 70°F	224 hours	121.97 mm / 4.80 In	7 days	1016 mb / 30 In
2016	26°C / 78°F	16°C / 60°F	20°C / 68°F	241 hours	141.67 mm / 5.58 In	6 days	1017 mb / 31 In
2017	28°C / 82°F	15°C / 60°F	21°C / 71°F	284 hours	53.58 mm / 2.11 In	5 days	1016 mb / 30 In
2018	23°C / 74°F	15°C / 59°F	19°C / 66°F	197 hours	225.16 mm / 8.86 In	10 days	1018 mb / 31 In
2019	26°C / 80°F	17°C / 62°F	21°C / 71°F	241 hours	165.52 mm / 6.52 In	10 days	1015 mb / 30 In
2020	23°C / 74°F	13°C / 55°F	18°C / 64°F	239 hours	99.57 mm / 3.92 In	8 days	1017 mb / 31 In
2021	29°C / 84°F	16°C / 61°F	22°C / 72°F	290 hours	36.90 mm / 1.45 In	3 days	1013 mb / 30 In
2022	28°C / 82°F	15°C / 59°F	21°C / 69°F	273 hours	45.22 mm / 1.78 In	4 days	1016 mb / 30 In
2023	31°C / 88°F	14°C / 57°F	22°C / 72°F	243 hours	58.69 mm / 2.31 In	2 days	1015 mb / 30 In
2024	28°C / 83°F	14°C / 57°F	21°C / 70°F	284 hours	83.85 mm / 3.30 In	3 days	1016 mb / 30 In

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