Onalaska September Weather Averages Wisconsin, United States of America

September Weather Averages for Onalaska

High Temp	23°C	73°F
Low Temp	12°C	54°F
Avg Temp	17°C	63°F
Sunshine Hours	215 hours
Rainfall	96.99 mm	3.82 In
Rain days	6 days
Pressure	1016 mb	30 In

Onalaska September Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	23°C / 73°F	12°C / 54°F	17°C / 63°F	238 hours	49.81 mm / 1.96 In	8 days	1018 mb / 31 In
2009	23°C / 74°F	12°C / 54°F	17°C / 63°F	250 hours	33.50 mm / 1.32 In	2 days	1019 mb / 31 In
2010	20°C / 68°F	11°C / 51°F	15°C / 59°F	180 hours	136.35 mm / 5.37 In	5 days	1014 mb / 30 In
2011	19°C / 66°F	10°C / 50°F	14°C / 58°F	191 hours	97.94 mm / 3.86 In	6 days	1016 mb / 30 In
2012	22°C / 71°F	10°C / 50°F	16°C / 60°F	266 hours	26.39 mm / 1.04 In	6 days	1016 mb / 30 In
2013	24°C / 74°F	12°C / 54°F	18°C / 64°F	239 hours	58.55 mm / 2.31 In	5 days	1015 mb / 30 In
2014	21°C / 70°F	11°C / 51°F	16°C / 60°F	221 hours	132.03 mm / 5.20 In	7 days	1017 mb / 31 In
2015	24°C / 75°F	14°C / 58°F	19°C / 66°F	198 hours	71.04 mm / 2.80 In	7 days	1017 mb / 30 In
2016	23°C / 73°F	14°C / 57°F	18°C / 65°F	183 hours	171.43 mm / 6.75 In	10 days	1017 mb / 30 In
2017	24°C / 75°F	13°C / 56°F	18°C / 65°F	277 hours	51.71 mm / 2.04 In	7 days	1017 mb / 30 In
2018	22°C / 71°F	13°C / 56°F	17°C / 63°F	180 hours	198.50 mm / 7.81 In	10 days	1018 mb / 31 In
2019	23°C / 73°F	14°C / 58°F	18°C / 65°F	172 hours	184.38 mm / 7.26 In	10 days	1015 mb / 30 In
2020	20°C / 68°F	11°C / 52°F	15°C / 60°F	192 hours	108.03 mm / 4.25 In	8 days	1017 mb / 30 In
2021	25°C / 77°F	13°C / 56°F	19°C / 66°F	245 hours	67.60 mm / 2.66 In	5 days	1014 mb / 30 In
2022	24°C / 75°F	13°C / 55°F	18°C / 64°F	223 hours	43.20 mm / 1.70 In	1 days	1016 mb / 30 In
2023	29°C / 84°F	12°C / 53°F	20°C / 67°F	184 hours	60.47 mm / 2.38 In	3 days	1016 mb / 30 In
2024	25°C / 77°F	12°C / 53°F	18°C / 64°F	243 hours	110.68 mm / 4.36 In	1 days	1017 mb / 31 In

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