Janesville September Weather Averages Wisconsin, United States of America

September Weather Averages for Janesville

High Temp	23°C	74°F
Low Temp	13°C	55°F
Avg Temp	18°C	64°F
Sunshine Hours	219 hours
Rainfall	86.60 mm	3.41 In
Rain days	6 days
Pressure	1017 mb	30 In

Janesville 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	17°C / 63°F	203 hours	199.66 mm / 7.86 In	7 days	1018 mb / 31 In
2009	23°C / 73°F	12°C / 53°F	17°C / 62°F	236 hours	47.97 mm / 1.89 In	4 days	1019 mb / 31 In
2010	22°C / 71°F	12°C / 53°F	17°C / 62°F	195 hours	85.14 mm / 3.35 In	8 days	1014 mb / 30 In
2011	19°C / 67°F	11°C / 51°F	15°C / 59°F	193 hours	101.30 mm / 3.99 In	7 days	1016 mb / 30 In
2012	22°C / 71°F	11°C / 51°F	16°C / 60°F	235 hours	43.74 mm / 1.72 In	6 days	1016 mb / 30 In
2013	23°C / 74°F	12°C / 54°F	18°C / 64°F	239 hours	28.91 mm / 1.14 In	6 days	1016 mb / 30 In
2014	22°C / 72°F	11°C / 51°F	16°C / 61°F	259 hours	86.80 mm / 3.42 In	8 days	1018 mb / 31 In
2015	25°C / 77°F	15°C / 58°F	19°C / 67°F	220 hours	71.28 mm / 2.81 In	6 days	1017 mb / 31 In
2016	24°C / 75°F	15°C / 59°F	19°C / 66°F	187 hours	78.51 mm / 3.09 In	6 days	1017 mb / 31 In
2017	24°C / 76°F	13°C / 56°F	18°C / 65°F	291 hours	19.40 mm / 0.76 In	3 days	1017 mb / 31 In
2018	23°C / 73°F	13°C / 56°F	18°C / 64°F	188 hours	161.73 mm / 6.37 In	9 days	1019 mb / 31 In
2019	23°C / 73°F	15°C / 59°F	19°C / 66°F	151 hours	172.89 mm / 6.81 In	8 days	1016 mb / 30 In
2020	20°C / 68°F	12°C / 53°F	16°C / 60°F	186 hours	140.91 mm / 5.55 In	9 days	1017 mb / 31 In
2021	27°C / 80°F	14°C / 57°F	20°C / 68°F	245 hours	69.50 mm / 2.74 In	5 days	1014 mb / 30 In
2022	23°C / 74°F	13°C / 55°F	18°C / 64°F	245 hours	151.20 mm / 5.95 In	4 days	1017 mb / 31 In
2023	27°C / 81°F	12°C / 54°F	19°C / 66°F	184 hours	96.38 mm / 3.79 In	3 days	1017 mb / 31 In
2024	24°C / 76°F	12°C / 54°F	18°C / 64°F	251 hours	29.93 mm / 1.18 In	2 days	1017 mb / 31 In

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