Mason City September Weather Averages Iowa, United States of America

September Weather Averages for Mason City

High Temp	24°C	74°F
Low Temp	12°C	54°F
Avg Temp	18°C	64°F
Sunshine Hours	232 hours
Rainfall	92.67 mm	3.65 In
Rain days	5 days
Pressure	1016 mb	30 In

Mason City September Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	22°C / 72°F	12°C / 53°F	17°C / 62°F	230 hours	69.95 mm / 2.75 In	6 days	1018 mb / 31 In
2009	23°C / 74°F	12°C / 53°F	17°C / 63°F	235 hours	79.32 mm / 3.12 In	3 days	1018 mb / 31 In
2010	21°C / 69°F	11°C / 51°F	16°C / 60°F	199 hours	155.29 mm / 6.11 In	7 days	1014 mb / 30 In
2011	19°C / 67°F	10°C / 50°F	15°C / 58°F	225 hours	45.79 mm / 1.80 In	5 days	1017 mb / 31 In
2012	23°C / 73°F	10°C / 51°F	16°C / 61°F	268 hours	37.78 mm / 1.49 In	5 days	1016 mb / 30 In
2013	25°C / 77°F	13°C / 55°F	19°C / 65°F	272 hours	39.61 mm / 1.56 In	5 days	1014 mb / 30 In
2014	21°C / 70°F	11°C / 51°F	16°C / 61°F	221 hours	111.68 mm / 4.40 In	5 days	1017 mb / 31 In
2015	24°C / 75°F	14°C / 58°F	19°C / 66°F	197 hours	89.44 mm / 3.52 In	8 days	1016 mb / 30 In
2016	23°C / 73°F	14°C / 57°F	18°C / 65°F	218 hours	239.28 mm / 9.42 In	6 days	1017 mb / 30 In
2017	24°C / 76°F	13°C / 56°F	19°C / 66°F	278 hours	71.18 mm / 2.80 In	5 days	1016 mb / 30 In
2018	22°C / 72°F	13°C / 56°F	17°C / 63°F	181 hours	184.61 mm / 7.27 In	9 days	1018 mb / 31 In
2019	24°C / 75°F	15°C / 59°F	19°C / 67°F	166 hours	195.84 mm / 7.71 In	13 days	1014 mb / 30 In
2020	21°C / 71°F	11°C / 53°F	16°C / 62°F	224 hours	77.30 mm / 3.04 In	7 days	1017 mb / 30 In
2021	25°C / 78°F	14°C / 57°F	19°C / 67°F	264 hours	64.40 mm / 2.54 In	4 days	1013 mb / 30 In
2022	25°C / 77°F	13°C / 56°F	19°C / 66°F	251 hours	27.80 mm / 1.09 In	4 days	1016 mb / 30 In
2023	30°C / 85°F	12°C / 54°F	21°C / 69°F	208 hours	35.11 mm / 1.38 In	1 days	1015 mb / 30 In
2024	26°C / 79°F	13°C / 55°F	19°C / 67°F	298 hours	28.25 mm / 1.11 In	0 days	1016 mb / 30 In

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