Richmond Hill September Weather Averages Ontario, Canada

September Weather Averages for Richmond Hill

High Temp	22°C	71°F
Low Temp	13°C	56°F
Avg Temp	17°C	63°F
Sunshine Hours	210 hours
Rainfall	79.47 mm	3.13 In
Rain days	7 days
Pressure	1017 mb	31 In

Richmond Hill September Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	21°C / 70°F	13°C / 55°F	17°C / 62°F	225 hours	110.51 mm / 4.35 In	9 days	1018 mb / 31 In
2009	21°C / 70°F	13°C / 55°F	16°C / 62°F	225 hours	58.83 mm / 2.32 In	6 days	1018 mb / 31 In
2010	19°C / 67°F	12°C / 54°F	16°C / 60°F	153 hours	92.59 mm / 3.65 In	8 days	1013 mb / 30 In
2011	21°C / 69°F	13°C / 56°F	17°C / 62°F	200 hours	123.12 mm / 4.85 In	8 days	1015 mb / 30 In
2012	20°C / 68°F	12°C / 54°F	16°C / 61°F	214 hours	140.43 mm / 5.53 In	7 days	1015 mb / 30 In
2013	20°C / 68°F	12°C / 53°F	16°C / 61°F	249 hours	95.88 mm / 3.77 In	8 days	1016 mb / 30 In
2014	21°C / 69°F	12°C / 54°F	16°C / 61°F	227 hours	90.50 mm / 3.56 In	8 days	1018 mb / 31 In
2015	23°C / 73°F	15°C / 59°F	18°C / 65°F	172 hours	61.78 mm / 2.43 In	8 days	1018 mb / 31 In
2016	24°C / 75°F	15°C / 58°F	19°C / 66°F	257 hours	52.31 mm / 2.06 In	6 days	1018 mb / 31 In
2017	23°C / 74°F	14°C / 58°F	18°C / 65°F	293 hours	41.93 mm / 1.65 In	5 days	1017 mb / 31 In
2018	23°C / 73°F	15°C / 59°F	19°C / 66°F	209 hours	81.93 mm / 3.23 In	9 days	1020 mb / 31 In
2019	21°C / 69°F	13°C / 56°F	17°C / 63°F	180 hours	82.75 mm / 3.26 In	8 days	1017 mb / 31 In
2020	21°C / 69°F	13°C / 56°F	17°C / 62°F	215 hours	69.21 mm / 2.72 In	6 days	1017 mb / 31 In
2021	22°C / 71°F	13°C / 56°F	17°C / 63°F	184 hours	116.41 mm / 4.58 In	6 days	1015 mb / 30 In
2022	22°C / 71°F	13°C / 56°F	17°C / 63°F	174 hours	62.60 mm / 2.46 In	8 days	1016 mb / 30 In
2023	24°C / 76°F	13°C / 56°F	18°C / 65°F	217 hours	14.69 mm / 0.58 In	0 days	1019 mb / 31 In
2024	22°C / 72°F	15°C / 58°F	18°C / 65°F	184 hours	86.49 mm / 3.40 In	3 days	1018 mb / 31 In

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