Janesville September Weather Averages Wisconsin, United States of America

September Weather Averages for Janesville

High Temp	23°C	73°F
Low Temp	12°C	54°F
Avg Temp	17°C	63°F
Sunshine Hours	213 hours
Rainfall	91.28 mm	3.59 In
Rain days	6 days
Pressure	1017 mb	31 In

Janesville September Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2009	22°C / 72°F	12°C / 53°F	17°C / 62°F	242 hours	53.51 mm / 2.11 In	4 days	1019 mb / 31 In
2010	21°C / 70°F	12°C / 53°F	16°C / 61°F	198 hours	86.89 mm / 3.42 In	7 days	1014 mb / 30 In
2011	19°C / 66°F	10°C / 51°F	15°C / 58°F	193 hours	84.96 mm / 3.34 In	7 days	1016 mb / 30 In
2012	21°C / 70°F	10°C / 50°F	15°C / 60°F	238 hours	37.83 mm / 1.49 In	6 days	1016 mb / 30 In
2013	23°C / 74°F	12°C / 54°F	17°C / 63°F	241 hours	34.26 mm / 1.35 In	6 days	1016 mb / 30 In
2014	21°C / 71°F	10°C / 51°F	16°C / 60°F	246 hours	95.78 mm / 3.77 In	8 days	1018 mb / 31 In
2015	25°C / 76°F	15°C / 58°F	19°C / 66°F	217 hours	79.64 mm / 3.14 In	6 days	1017 mb / 31 In
2016	24°C / 74°F	15°C / 58°F	19°C / 66°F	196 hours	89.19 mm / 3.51 In	6 days	1017 mb / 31 In
2017	24°C / 75°F	13°C / 55°F	18°C / 65°F	291 hours	20.44 mm / 0.80 In	3 days	1017 mb / 31 In
2018	22°C / 72°F	13°C / 56°F	18°C / 64°F	194 hours	168.31 mm / 6.63 In	10 days	1019 mb / 31 In
2019	22°C / 72°F	15°C / 59°F	19°C / 66°F	147 hours	185.02 mm / 7.28 In	12 days	1016 mb / 30 In
2020	20°C / 68°F	11°C / 52°F	15°C / 60°F	186 hours	155.32 mm / 6.11 In	10 days	1017 mb / 31 In
2021	26°C / 78°F	14°C / 57°F	19°C / 67°F	243 hours	86.10 mm / 3.39 In	7 days	1014 mb / 30 In
2022	23°C / 73°F	13°C / 55°F	17°C / 63°F	231 hours	148.70 mm / 5.85 In	4 days	1017 mb / 31 In
2023	27°C / 80°F	12°C / 54°F	19°C / 66°F	174 hours	108.42 mm / 4.27 In	4 days	1017 mb / 31 In
2024	24°C / 75°F	12°C / 54°F	18°C / 64°F	244 hours	25.25 mm / 0.99 In	2 days	1018 mb / 31 In
2025	23°C / 74°F	12°C / 54°F	17°C / 63°F	145 hours	92.10 mm / 3.63 In	3 days	1017 mb / 31 In

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