Marathon September Weather Averages Ontario, Canada

September Weather Averages for Marathon

High Temp	15°C	59°F
Low Temp	10°C	50°F
Avg Temp	13°C	55°F
Sunshine Hours	178 hours
Rainfall	107.91 mm	4.25 In
Rain days	8 days
Pressure	1015 mb	30 In

Marathon September Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	15°C / 60°F	10°C / 51°F	13°C / 55°F	178 hours	102.32 mm / 4.03 In	8 days	1017 mb / 31 In
2009	17°C / 63°F	12°C / 54°F	15°C / 58°F	219 hours	46.82 mm / 1.84 In	4 days	1018 mb / 31 In
2010	13°C / 56°F	9°C / 47°F	11°C / 52°F	169 hours	139.05 mm / 5.47 In	8 days	1012 mb / 30 In
2011	16°C / 61°F	11°C / 51°F	13°C / 56°F	205 hours	109.22 mm / 4.30 In	6 days	1015 mb / 30 In
2012	15°C / 59°F	10°C / 50°F	13°C / 55°F	200 hours	57.30 mm / 2.26 In	5 days	1013 mb / 30 In
2013	15°C / 58°F	10°C / 50°F	12°C / 54°F	207 hours	106.34 mm / 4.19 In	8 days	1014 mb / 30 In
2014	12°C / 54°F	7°C / 44°F	9°C / 49°F	146 hours	173.54 mm / 6.83 In	10 days	1016 mb / 30 In
2015	16°C / 60°F	11°C / 52°F	13°C / 56°F	181 hours	77.17 mm / 3.04 In	8 days	1016 mb / 30 In
2016	17°C / 63°F	12°C / 54°F	15°C / 58°F	177 hours	93.43 mm / 3.68 In	9 days	1016 mb / 30 In
2017	15°C / 59°F	11°C / 51°F	13°C / 55°F	167 hours	188.85 mm / 7.44 In	12 days	1015 mb / 30 In
2018	14°C / 57°F	9°C / 48°F	12°C / 53°F	151 hours	154.26 mm / 6.07 In	14 days	1018 mb / 31 In
2019	14°C / 57°F	10°C / 50°F	12°C / 53°F	138 hours	145.45 mm / 5.73 In	9 days	1015 mb / 30 In
2020	13°C / 55°F	9°C / 48°F	11°C / 52°F	152 hours	68.98 mm / 2.72 In	10 days	1013 mb / 30 In
2021	15°C / 60°F	11°C / 52°F	13°C / 56°F	193 hours	91.30 mm / 3.59 In	7 days	1013 mb / 30 In
2022	14°C / 58°F	10°C / 49°F	12°C / 53°F	173 hours	81.90 mm / 3.22 In	8 days	1016 mb / 30 In
2023	17°C / 63°F	10°C / 51°F	13°C / 56°F	183 hours	49.47 mm / 1.95 In	5 days	1018 mb / 31 In
2024	17°C / 62°F	12°C / 54°F	14°C / 58°F	186 hours	143.39 mm / 5.65 In	3 days	1017 mb / 30 In

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