Oswego September Weather Averages Illinois, United States of America

September Weather Averages for Oswego

High Temp	24°C	76°F
Low Temp	14°C	57°F
Avg Temp	19°C	66°F
Sunshine Hours	233 hours
Rainfall	79.57 mm	3.13 In
Rain days	6 days
Pressure	1017 mb	31 In

Oswego September Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	24°C / 75°F	14°C / 57°F	18°C / 65°F	224 hours	225.13 mm / 8.86 In	8 days	1018 mb / 31 In
2009	23°C / 74°F	13°C / 56°F	18°C / 64°F	225 hours	31.50 mm / 1.24 In	4 days	1018 mb / 31 In
2010	23°C / 74°F	13°C / 56°F	18°C / 64°F	222 hours	112.80 mm / 4.44 In	9 days	1015 mb / 30 In
2011	20°C / 68°F	12°C / 54°F	16°C / 61°F	196 hours	109.21 mm / 4.30 In	10 days	1015 mb / 30 In
2012	23°C / 73°F	12°C / 54°F	17°C / 63°F	257 hours	50.50 mm / 1.99 In	6 days	1016 mb / 30 In
2013	24°C / 76°F	14°C / 57°F	19°C / 66°F	253 hours	32.17 mm / 1.27 In	3 days	1016 mb / 30 In
2014	23°C / 73°F	12°C / 53°F	17°C / 63°F	250 hours	97.65 mm / 3.84 In	6 days	1018 mb / 31 In
2015	25°C / 77°F	15°C / 60°F	20°C / 68°F	218 hours	75.60 mm / 2.98 In	6 days	1017 mb / 31 In
2016	24°C / 76°F	16°C / 61°F	20°C / 68°F	221 hours	56.00 mm / 2.20 In	7 days	1017 mb / 31 In
2017	25°C / 78°F	15°C / 59°F	20°C / 68°F	309 hours	28.40 mm / 1.12 In	3 days	1017 mb / 31 In
2018	24°C / 76°F	15°C / 60°F	20°C / 68°F	214 hours	99.94 mm / 3.93 In	11 days	1019 mb / 31 In
2019	25°C / 76°F	16°C / 62°F	20°C / 69°F	192 hours	195.06 mm / 7.68 In	12 days	1016 mb / 30 In
2020	22°C / 72°F	13°C / 56°F	17°C / 63°F	215 hours	129.40 mm / 5.09 In	5 days	1018 mb / 31 In
2021	27°C / 80°F	15°C / 59°F	21°C / 69°F	276 hours	44.00 mm / 1.73 In	4 days	1015 mb / 30 In
2022	25°C / 77°F	14°C / 57°F	19°C / 66°F	236 hours	68.40 mm / 2.69 In	7 days	1017 mb / 31 In
2023	27°C / 81°F	13°C / 56°F	20°C / 67°F	195 hours	99.21 mm / 3.91 In	4 days	1017 mb / 31 In
2024	26°C / 79°F	14°C / 58°F	20°C / 68°F	242 hours	43.28 mm / 1.70 In	1 days	1017 mb / 31 In

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