Missouri Valley September Weather Averages Iowa, United States of America

September Weather Averages for Missouri Valley

High Temp	26°C	79°F
Low Temp	14°C	58°F
Avg Temp	20°C	68°F
Sunshine Hours	256 hours
Rainfall	82.91 mm	3.26 In
Rain days	5 days
Pressure	1015 mb	30 In

Missouri Valley September Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2009	24°C / 75°F	13°C / 55°F	18°C / 64°F	259 hours	54.58 mm / 2.15 In	3 days	1018 mb / 31 In
2010	24°C / 74°F	13°C / 55°F	18°C / 64°F	201 hours	126.58 mm / 4.98 In	9 days	1014 mb / 30 In
2011	21°C / 70°F	11°C / 51°F	16°C / 61°F	285 hours	24.31 mm / 0.96 In	3 days	1018 mb / 31 In
2012	25°C / 76°F	12°C / 53°F	18°C / 64°F	286 hours	67.16 mm / 2.64 In	5 days	1016 mb / 30 In
2013	27°C / 81°F	15°C / 59°F	21°C / 70°F	281 hours	46.55 mm / 1.83 In	4 days	1013 mb / 30 In
2014	23°C / 73°F	13°C / 55°F	18°C / 64°F	187 hours	116.07 mm / 4.57 In	5 days	1016 mb / 30 In
2015	27°C / 80°F	16°C / 61°F	21°C / 70°F	244 hours	126.89 mm / 5.00 In	5 days	1015 mb / 30 In
2016	26°C / 79°F	16°C / 60°F	21°C / 69°F	264 hours	145.27 mm / 5.72 In	7 days	1016 mb / 30 In
2017	28°C / 82°F	15°C / 60°F	21°C / 70°F	289 hours	72.11 mm / 2.84 In	5 days	1015 mb / 30 In
2018	24°C / 75°F	15°C / 59°F	19°C / 67°F	209 hours	126.29 mm / 4.97 In	8 days	1017 mb / 31 In
2019	28°C / 82°F	17°C / 62°F	22°C / 72°F	230 hours	123.46 mm / 4.86 In	12 days	1013 mb / 30 In
2020	25°C / 77°F	13°C / 56°F	19°C / 66°F	279 hours	56.52 mm / 2.23 In	5 days	1016 mb / 30 In
2021	29°C / 85°F	16°C / 61°F	22°C / 72°F	277 hours	46.10 mm / 1.81 In	5 days	1012 mb / 30 In
2022	29°C / 85°F	15°C / 60°F	22°C / 71°F	297 hours	22.88 mm / 0.90 In	2 days	1015 mb / 30 In
2023	32°C / 90°F	13°C / 55°F	22°C / 72°F	274 hours	95.82 mm / 3.77 In	4 days	1014 mb / 30 In
2024	30°C / 87°F	14°C / 57°F	22°C / 72°F	301 hours	35.47 mm / 1.40 In	0 days	1015 mb / 30 In
2025	26°C / 78°F	15°C / 58°F	20°C / 67°F	192 hours	123.40 mm / 4.86 In	4 days	1016 mb / 30 In

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