Freeport September Weather Averages Illinois, United States of America

September Weather Averages for Freeport

High Temp	24°C	74°F
Low Temp	13°C	55°F
Avg Temp	18°C	64°F
Sunshine Hours	229 hours
Rainfall	93.61 mm	3.69 In
Rain days	6 days
Pressure	1017 mb	30 In

Freeport 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	212 hours	206.01 mm / 8.11 In	7 days	1018 mb / 31 In
2009	22°C / 72°F	12°C / 53°F	17°C / 62°F	230 hours	35.98 mm / 1.42 In	4 days	1019 mb / 31 In
2010	22°C / 72°F	12°C / 54°F	17°C / 62°F	199 hours	99.04 mm / 3.90 In	10 days	1014 mb / 30 In
2011	19°C / 67°F	11°C / 51°F	15°C / 59°F	208 hours	78.87 mm / 3.10 In	4 days	1016 mb / 30 In
2012	22°C / 71°F	10°C / 51°F	16°C / 60°F	254 hours	50.36 mm / 1.98 In	6 days	1016 mb / 30 In
2013	24°C / 75°F	13°C / 55°F	18°C / 64°F	244 hours	46.56 mm / 1.83 In	7 days	1015 mb / 30 In
2014	22°C / 72°F	11°C / 51°F	16°C / 61°F	260 hours	98.58 mm / 3.88 In	6 days	1018 mb / 31 In
2015	25°C / 77°F	15°C / 59°F	19°C / 67°F	201 hours	64.26 mm / 2.53 In	5 days	1017 mb / 31 In
2016	24°C / 75°F	15°C / 59°F	19°C / 67°F	207 hours	105.43 mm / 4.15 In	7 days	1017 mb / 31 In
2017	25°C / 76°F	13°C / 55°F	19°C / 65°F	309 hours	26.26 mm / 1.03 In	1 days	1017 mb / 31 In
2018	23°C / 73°F	13°C / 56°F	18°C / 64°F	190 hours	190.45 mm / 7.50 In	10 days	1019 mb / 31 In
2019	23°C / 74°F	15°C / 59°F	19°C / 66°F	171 hours	237.19 mm / 9.34 In	11 days	1016 mb / 30 In
2020	21°C / 69°F	12°C / 53°F	16°C / 61°F	196 hours	138.18 mm / 5.44 In	9 days	1017 mb / 31 In
2021	28°C / 82°F	14°C / 58°F	21°C / 70°F	267 hours	26.60 mm / 1.05 In	3 days	1014 mb / 30 In
2022	24°C / 75°F	13°C / 55°F	18°C / 64°F	246 hours	129.50 mm / 5.10 In	4 days	1017 mb / 31 In
2023	28°C / 83°F	12°C / 54°F	19°C / 67°F	195 hours	117.39 mm / 4.62 In	5 days	1017 mb / 30 In
2024	25°C / 77°F	12°C / 54°F	18°C / 65°F	280 hours	53.16 mm / 2.09 In	2 days	1017 mb / 31 In

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