Bolton September Weather Averages Ontario, Canada

September Weather Averages for Bolton

High Temp	22°C	71°F
Low Temp	13°C	56°F
Avg Temp	17°C	63°F
Sunshine Hours	211 hours
Rainfall	67.14 mm	2.64 In
Rain days	6 days
Pressure	1017 mb	31 In

Bolton 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	229 hours	102.55 mm / 4.04 In	8 days	1018 mb / 31 In
2009	21°C / 70°F	12°C / 54°F	16°C / 62°F	223 hours	45.27 mm / 1.78 In	4 days	1018 mb / 31 In
2010	20°C / 67°F	12°C / 54°F	16°C / 61°F	166 hours	83.89 mm / 3.30 In	8 days	1013 mb / 30 In
2011	21°C / 69°F	13°C / 56°F	17°C / 62°F	198 hours	99.27 mm / 3.91 In	8 days	1015 mb / 30 In
2012	20°C / 68°F	12°C / 53°F	16°C / 61°F	220 hours	117.28 mm / 4.62 In	6 days	1015 mb / 30 In
2013	20°C / 68°F	12°C / 53°F	16°C / 61°F	251 hours	73.49 mm / 2.89 In	5 days	1016 mb / 30 In
2014	21°C / 69°F	12°C / 53°F	16°C / 61°F	232 hours	90.58 mm / 3.57 In	6 days	1018 mb / 31 In
2015	23°C / 73°F	15°C / 58°F	18°C / 65°F	173 hours	66.24 mm / 2.61 In	8 days	1018 mb / 31 In
2016	24°C / 75°F	15°C / 58°F	19°C / 66°F	254 hours	48.83 mm / 1.92 In	6 days	1018 mb / 31 In
2017	23°C / 74°F	14°C / 58°F	18°C / 65°F	290 hours	34.76 mm / 1.37 In	5 days	1017 mb / 31 In
2018	23°C / 74°F	15°C / 59°F	19°C / 66°F	225 hours	68.90 mm / 2.71 In	7 days	1020 mb / 31 In
2019	21°C / 70°F	13°C / 56°F	17°C / 63°F	176 hours	66.84 mm / 2.63 In	7 days	1017 mb / 31 In
2020	21°C / 70°F	13°C / 56°F	17°C / 62°F	194 hours	58.18 mm / 2.29 In	6 days	1017 mb / 31 In
2021	23°C / 73°F	13°C / 55°F	17°C / 63°F	189 hours	88.11 mm / 3.47 In	6 days	1015 mb / 30 In
2022	22°C / 72°F	13°C / 56°F	17°C / 63°F	189 hours	55.20 mm / 2.17 In	6 days	1016 mb / 30 In
2023	25°C / 77°F	14°C / 56°F	19°C / 65°F	208 hours	17.63 mm / 0.69 In	1 days	1019 mb / 31 In
2024	23°C / 73°F	15°C / 58°F	18°C / 65°F	185 hours	59.71 mm / 2.35 In	3 days	1018 mb / 31 In

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