Assumption September Weather Averages Illinois, United States of America

September Weather Averages for Assumption

High Temp	26°C	79°F
Low Temp	15°C	59°F
Avg Temp	20°C	68°F
Sunshine Hours	236 hours
Rainfall	100.65 mm	3.96 In
Rain days	5 days
Pressure	1017 mb	31 In

Assumption September Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2009	25°C / 77°F	14°C / 57°F	19°C / 66°F	246 hours	70.75 mm / 2.79 In	7 days	1018 mb / 31 In
2010	25°C / 78°F	15°C / 58°F	20°C / 68°F	254 hours	124.51 mm / 4.90 In	7 days	1015 mb / 30 In
2011	22°C / 72°F	13°C / 55°F	17°C / 63°F	200 hours	88.03 mm / 3.47 In	6 days	1016 mb / 30 In
2012	23°C / 74°F	13°C / 56°F	18°C / 64°F	223 hours	220.25 mm / 8.67 In	9 days	1016 mb / 30 In
2013	27°C / 80°F	15°C / 60°F	21°C / 70°F	296 hours	28.13 mm / 1.11 In	4 days	1016 mb / 30 In
2014	24°C / 75°F	13°C / 55°F	18°C / 65°F	239 hours	101.40 mm / 3.99 In	4 days	1018 mb / 31 In
2015	27°C / 80°F	16°C / 61°F	21°C / 70°F	211 hours	72.20 mm / 2.84 In	3 days	1017 mb / 31 In
2016	26°C / 78°F	17°C / 62°F	21°C / 70°F	231 hours	143.70 mm / 5.66 In	9 days	1017 mb / 31 In
2017	27°C / 80°F	16°C / 60°F	21°C / 70°F	293 hours	35.77 mm / 1.41 In	1 days	1017 mb / 31 In
2018	26°C / 78°F	17°C / 63°F	21°C / 70°F	215 hours	169.59 mm / 6.68 In	10 days	1018 mb / 31 In
2019	27°C / 81°F	18°C / 64°F	22°C / 72°F	248 hours	47.67 mm / 1.88 In	6 days	1017 mb / 31 In
2020	24°C / 76°F	15°C / 58°F	19°C / 67°F	204 hours	42.61 mm / 1.68 In	5 days	1017 mb / 31 In
2021	28°C / 82°F	16°C / 62°F	22°C / 71°F	248 hours	47.40 mm / 1.87 In	4 days	1015 mb / 30 In
2022	26°C / 79°F	15°C / 59°F	20°C / 69°F	239 hours	97.20 mm / 3.83 In	6 days	1017 mb / 31 In
2023	30°C / 86°F	14°C / 57°F	21°C / 71°F	233 hours	99.09 mm / 3.90 In	2 days	1017 mb / 30 In
2024	27°C / 80°F	15°C / 59°F	21°C / 70°F	215 hours	126.50 mm / 4.98 In	3 days	1016 mb / 30 In
2025	28°C / 82°F	15°C / 59°F	21°C / 70°F	217 hours	196.20 mm / 7.72 In	2 days	1017 mb / 31 In

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