Ajax September Weather Averages Ontario, Canada

September Weather Averages for Ajax

High Temp	21°C	70°F
Low Temp	14°C	57°F
Avg Temp	17°C	63°F
Sunshine Hours	212 hours
Rainfall	82.28 mm	3.24 In
Rain days	7 days
Pressure	1017 mb	31 In

Ajax September Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	21°C / 69°F	13°C / 56°F	17°C / 63°F	230 hours	121.32 mm / 4.78 In	9 days	1019 mb / 31 In
2009	21°C / 69°F	13°C / 56°F	17°C / 62°F	226 hours	60.76 mm / 2.39 In	7 days	1018 mb / 31 In
2010	19°C / 67°F	13°C / 55°F	16°C / 61°F	160 hours	83.97 mm / 3.31 In	8 days	1013 mb / 30 In
2011	20°C / 69°F	14°C / 57°F	17°C / 63°F	198 hours	134.37 mm / 5.29 In	10 days	1015 mb / 30 In
2012	20°C / 68°F	13°C / 55°F	16°C / 61°F	222 hours	137.43 mm / 5.41 In	6 days	1015 mb / 30 In
2013	20°C / 68°F	12°C / 54°F	16°C / 61°F	232 hours	100.24 mm / 3.95 In	8 days	1016 mb / 30 In
2014	20°C / 68°F	12°C / 54°F	16°C / 61°F	224 hours	89.26 mm / 3.51 In	6 days	1018 mb / 31 In
2015	22°C / 72°F	15°C / 59°F	18°C / 65°F	183 hours	57.02 mm / 2.25 In	6 days	1018 mb / 31 In
2016	23°C / 74°F	15°C / 59°F	19°C / 66°F	260 hours	53.51 mm / 2.11 In	7 days	1018 mb / 31 In
2017	23°C / 74°F	14°C / 58°F	18°C / 65°F	310 hours	39.42 mm / 1.55 In	7 days	1017 mb / 31 In
2018	23°C / 73°F	16°C / 60°F	19°C / 67°F	189 hours	99.48 mm / 3.92 In	8 days	1020 mb / 31 In
2019	21°C / 69°F	13°C / 56°F	17°C / 63°F	190 hours	82.30 mm / 3.24 In	8 days	1018 mb / 31 In
2020	20°C / 67°F	14°C / 57°F	17°C / 62°F	214 hours	79.54 mm / 3.13 In	6 days	1017 mb / 31 In
2021	22°C / 71°F	14°C / 58°F	18°C / 64°F	192 hours	125.90 mm / 4.96 In	7 days	1015 mb / 30 In
2022	21°C / 70°F	14°C / 57°F	17°C / 63°F	181 hours	58.10 mm / 2.29 In	8 days	1016 mb / 30 In
2023	23°C / 74°F	14°C / 57°F	18°C / 65°F	225 hours	19.93 mm / 0.78 In	1 days	1019 mb / 31 In
2024	22°C / 71°F	15°C / 59°F	18°C / 65°F	178 hours	95.21 mm / 3.75 In	2 days	1018 mb / 31 In

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