Altoona September Weather Averages Iowa, United States of America

September Weather Averages for Altoona

High Temp	25°C	78°F
Low Temp	14°C	57°F
Avg Temp	19°C	67°F
Sunshine Hours	251 hours
Rainfall	88.20 mm	3.47 In
Rain days	6 days
Pressure	1016 mb	30 In

Altoona 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	238 hours	115.53 mm / 4.55 In	5 days	1018 mb / 31 In
2009	23°C / 73°F	12°C / 54°F	17°C / 63°F	255 hours	73.10 mm / 2.88 In	4 days	1018 mb / 31 In
2010	23°C / 73°F	13°C / 55°F	17°C / 63°F	218 hours	107.57 mm / 4.23 In	5 days	1015 mb / 30 In
2011	21°C / 69°F	11°C / 52°F	16°C / 60°F	249 hours	39.90 mm / 1.57 In	5 days	1017 mb / 31 In
2012	24°C / 75°F	11°C / 53°F	17°C / 63°F	285 hours	43.89 mm / 1.73 In	3 days	1016 mb / 30 In
2013	27°C / 80°F	14°C / 58°F	20°C / 68°F	273 hours	57.42 mm / 2.26 In	5 days	1014 mb / 30 In
2014	22°C / 72°F	12°C / 54°F	17°C / 63°F	209 hours	93.74 mm / 3.69 In	9 days	1017 mb / 31 In
2015	26°C / 79°F	16°C / 61°F	21°C / 69°F	244 hours	91.71 mm / 3.61 In	6 days	1016 mb / 30 In
2016	25°C / 78°F	16°C / 60°F	20°C / 68°F	251 hours	147.84 mm / 5.82 In	8 days	1017 mb / 31 In
2017	28°C / 82°F	15°C / 59°F	21°C / 70°F	288 hours	43.80 mm / 1.72 In	4 days	1016 mb / 30 In
2018	23°C / 74°F	15°C / 59°F	19°C / 66°F	184 hours	210.72 mm / 8.30 In	10 days	1018 mb / 31 In
2019	26°C / 79°F	17°C / 62°F	21°C / 70°F	224 hours	217.49 mm / 8.56 In	12 days	1015 mb / 30 In
2020	23°C / 73°F	13°C / 55°F	18°C / 64°F	239 hours	86.20 mm / 3.39 In	6 days	1017 mb / 31 In
2021	29°C / 84°F	16°C / 60°F	22°C / 72°F	294 hours	39.40 mm / 1.55 In	2 days	1013 mb / 30 In
2022	27°C / 81°F	15°C / 58°F	21°C / 69°F	272 hours	46.30 mm / 1.82 In	4 days	1016 mb / 30 In
2023	31°C / 88°F	13°C / 56°F	22°C / 71°F	244 hours	63.68 mm / 2.51 In	2 days	1015 mb / 30 In
2024	28°C / 82°F	14°C / 57°F	20°C / 69°F	286 hours	48.47 mm / 1.91 In	3 days	1016 mb / 30 In

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