Rockford September Weather Averages Illinois, United States of America

September Weather Averages for Rockford

High Temp	24°C	75°F
Low Temp	13°C	55°F
Avg Temp	18°C	64°F
Sunshine Hours	224 hours
Rainfall	88.66 mm	3.49 In
Rain days	6 days
Pressure	1017 mb	30 In

Rockford 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 / 56°F	18°C / 64°F	207 hours	239.84 mm / 9.44 In	9 days	1018 mb / 31 In
2009	23°C / 73°F	12°C / 54°F	17°C / 63°F	215 hours	40.40 mm / 1.59 In	3 days	1019 mb / 31 In
2010	22°C / 72°F	12°C / 54°F	17°C / 63°F	207 hours	87.92 mm / 3.46 In	8 days	1015 mb / 30 In
2011	19°C / 67°F	11°C / 52°F	15°C / 59°F	192 hours	110.02 mm / 4.33 In	7 days	1016 mb / 30 In
2012	22°C / 72°F	11°C / 51°F	16°C / 61°F	252 hours	51.17 mm / 2.01 In	6 days	1016 mb / 30 In
2013	24°C / 75°F	13°C / 55°F	18°C / 65°F	245 hours	37.67 mm / 1.48 In	6 days	1016 mb / 30 In
2014	22°C / 72°F	11°C / 52°F	16°C / 62°F	251 hours	84.23 mm / 3.32 In	6 days	1018 mb / 31 In
2015	25°C / 77°F	15°C / 59°F	19°C / 67°F	231 hours	61.27 mm / 2.41 In	8 days	1017 mb / 31 In
2016	24°C / 76°F	15°C / 59°F	19°C / 67°F	198 hours	76.22 mm / 3.00 In	8 days	1017 mb / 31 In
2017	25°C / 76°F	13°C / 56°F	19°C / 66°F	301 hours	21.80 mm / 0.86 In	2 days	1017 mb / 31 In
2018	23°C / 74°F	14°C / 57°F	18°C / 65°F	187 hours	193.23 mm / 7.61 In	10 days	1019 mb / 31 In
2019	23°C / 74°F	15°C / 59°F	19°C / 67°F	169 hours	210.32 mm / 8.28 In	12 days	1016 mb / 30 In
2020	21°C / 70°F	12°C / 54°F	16°C / 61°F	201 hours	130.36 mm / 5.13 In	8 days	1017 mb / 31 In
2021	28°C / 82°F	15°C / 58°F	21°C / 70°F	258 hours	44.40 mm / 1.75 In	3 days	1014 mb / 30 In
2022	24°C / 75°F	13°C / 55°F	18°C / 64°F	251 hours	144.40 mm / 5.69 In	4 days	1017 mb / 31 In
2023	28°C / 82°F	12°C / 54°F	19°C / 67°F	189 hours	108.75 mm / 4.28 In	3 days	1017 mb / 31 In
2024	25°C / 77°F	13°C / 55°F	18°C / 65°F	238 hours	16.37 mm / 0.64 In	2 days	1017 mb / 31 In

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