Harrow September Weather Averages Ontario, Canada

September Weather Averages for Harrow

High Temp	23°C	73°F
Low Temp	16°C	60°F
Avg Temp	19°C	66°F
Sunshine Hours	225 hours
Rainfall	79.10 mm	3.11 In
Rain days	6 days
Pressure	1017 mb	31 In

Harrow September Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	23°C / 74°F	15°C / 60°F	19°C / 66°F	241 hours	95.79 mm / 3.77 In	4 days	1019 mb / 31 In
2009	23°C / 73°F	15°C / 59°F	19°C / 65°F	235 hours	70.90 mm / 2.79 In	5 days	1018 mb / 31 In
2010	21°C / 70°F	14°C / 58°F	18°C / 64°F	249 hours	70.91 mm / 2.79 In	7 days	1014 mb / 30 In
2011	20°C / 68°F	14°C / 58°F	17°C / 63°F	173 hours	203.92 mm / 8.03 In	12 days	1015 mb / 30 In
2012	21°C / 70°F	14°C / 57°F	18°C / 64°F	219 hours	76.22 mm / 3.00 In	7 days	1016 mb / 30 In
2013	21°C / 70°F	14°C / 58°F	18°C / 64°F	253 hours	68.39 mm / 2.69 In	6 days	1016 mb / 30 In
2014	21°C / 70°F	14°C / 58°F	18°C / 64°F	248 hours	105.03 mm / 4.13 In	7 days	1018 mb / 31 In
2015	24°C / 75°F	17°C / 63°F	20°C / 68°F	208 hours	22.70 mm / 0.89 In	5 days	1018 mb / 31 In
2016	24°C / 75°F	17°C / 63°F	20°C / 69°F	240 hours	136.36 mm / 5.37 In	9 days	1018 mb / 31 In
2017	23°C / 73°F	17°C / 62°F	20°C / 67°F	264 hours	39.91 mm / 1.57 In	6 days	1018 mb / 31 In
2018	23°C / 74°F	18°C / 64°F	20°C / 69°F	218 hours	83.62 mm / 3.29 In	8 days	1019 mb / 31 In
2019	23°C / 74°F	17°C / 63°F	20°C / 68°F	207 hours	63.44 mm / 2.50 In	10 days	1017 mb / 31 In
2020	21°C / 71°F	15°C / 60°F	18°C / 65°F	217 hours	68.28 mm / 2.69 In	5 days	1018 mb / 31 In
2021	24°C / 76°F	16°C / 62°F	20°C / 68°F	247 hours	114.70 mm / 4.52 In	4 days	1015 mb / 30 In
2022	24°C / 75°F	16°C / 61°F	20°C / 67°F	231 hours	46.70 mm / 1.84 In	6 days	1017 mb / 30 In
2023	24°C / 76°F	15°C / 59°F	20°C / 67°F	180 hours	49.95 mm / 1.97 In	1 days	1018 mb / 31 In
2024	24°C / 76°F	16°C / 61°F	20°C / 68°F	212 hours	44.63 mm / 1.76 In	3 days	1017 mb / 31 In

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