Grafton September Weather Averages Wisconsin, United States of America

September Weather Averages for Grafton

High Temp	21°C	70°F
Low Temp	14°C	57°F
Avg Temp	17°C	63°F
Sunshine Hours	220 hours
Rainfall	87.15 mm	3.43 In
Rain days	7 days
Pressure	1017 mb	30 In

Grafton September Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	20°C / 69°F	16°C / 60°F	18°C / 64°F	229 hours	100.30 mm / 3.95 In	8 days	1018 mb / 31 In
2009	20°C / 68°F	15°C / 59°F	18°C / 64°F	260 hours	58.12 mm / 2.29 In	4 days	1019 mb / 31 In
2010	20°C / 67°F	13°C / 55°F	16°C / 61°F	196 hours	80.07 mm / 3.15 In	9 days	1014 mb / 30 In
2011	18°C / 65°F	12°C / 54°F	15°C / 60°F	202 hours	161.34 mm / 6.35 In	10 days	1015 mb / 30 In
2012	20°C / 68°F	12°C / 54°F	16°C / 61°F	263 hours	51.98 mm / 2.05 In	6 days	1015 mb / 30 In
2013	21°C / 70°F	14°C / 57°F	17°C / 63°F	271 hours	41.98 mm / 1.65 In	7 days	1016 mb / 30 In
2014	20°C / 67°F	12°C / 53°F	16°C / 60°F	240 hours	86.64 mm / 3.41 In	6 days	1017 mb / 31 In
2015	22°C / 72°F	15°C / 59°F	18°C / 65°F	194 hours	110.71 mm / 4.36 In	7 days	1018 mb / 31 In
2016	23°C / 73°F	15°C / 59°F	19°C / 65°F	210 hours	100.49 mm / 3.96 In	10 days	1017 mb / 31 In
2017	22°C / 72°F	14°C / 58°F	18°C / 64°F	294 hours	18.00 mm / 0.71 In	3 days	1017 mb / 31 In
2018	21°C / 70°F	14°C / 57°F	17°C / 63°F	210 hours	159.06 mm / 6.26 In	10 days	1019 mb / 31 In
2019	21°C / 71°F	15°C / 59°F	18°C / 64°F	163 hours	164.56 mm / 6.48 In	11 days	1016 mb / 30 In
2020	19°C / 67°F	13°C / 55°F	16°C / 61°F	201 hours	94.96 mm / 3.74 In	10 days	1017 mb / 31 In
2021	23°C / 74°F	15°C / 59°F	19°C / 66°F	225 hours	69.21 mm / 2.72 In	10 days	1014 mb / 30 In
2022	22°C / 71°F	14°C / 57°F	18°C / 64°F	213 hours	113.80 mm / 4.48 In	5 days	1017 mb / 30 In
2023	24°C / 75°F	13°C / 56°F	19°C / 65°F	155 hours	40.52 mm / 1.60 In	3 days	1017 mb / 31 In
2024	23°C / 74°F	13°C / 56°F	18°C / 64°F	226 hours	42.94 mm / 1.69 In	2 days	1018 mb / 31 In

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