Waterloo September Weather Averages Ontario, Canada

September Weather Averages for Waterloo

High Temp	21°C	70°F
Low Temp	12°C	53°F
Avg Temp	16°C	61°F
Sunshine Hours	194 hours
Rainfall	77.42 mm	3.05 In
Rain days	6 days
Pressure	1017 mb	31 In

Waterloo September Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	20°C / 69°F	11°C / 52°F	16°C / 60°F	194 hours	137.36 mm / 5.41 In	8 days	1019 mb / 31 In
2009	20°C / 68°F	11°C / 51°F	15°C / 59°F	192 hours	50.62 mm / 1.99 In	4 days	1018 mb / 31 In
2010	19°C / 67°F	10°C / 50°F	15°C / 58°F	126 hours	74.52 mm / 2.93 In	8 days	1013 mb / 30 In
2011	20°C / 67°F	11°C / 53°F	16°C / 60°F	158 hours	124.76 mm / 4.91 In	12 days	1015 mb / 30 In
2012	19°C / 67°F	10°C / 49°F	14°C / 58°F	227 hours	128.60 mm / 5.06 In	6 days	1015 mb / 30 In
2013	20°C / 68°F	10°C / 50°F	15°C / 58°F	199 hours	88.56 mm / 3.49 In	9 days	1016 mb / 30 In
2014	20°C / 68°F	10°C / 50°F	15°C / 59°F	218 hours	103.65 mm / 4.08 In	7 days	1018 mb / 31 In
2015	23°C / 73°F	13°C / 56°F	18°C / 64°F	156 hours	53.76 mm / 2.12 In	7 days	1018 mb / 31 In
2016	24°C / 75°F	13°C / 55°F	18°C / 64°F	247 hours	50.40 mm / 1.98 In	4 days	1018 mb / 31 In
2017	23°C / 74°F	12°C / 54°F	17°C / 63°F	270 hours	35.02 mm / 1.38 In	5 days	1017 mb / 31 In
2018	22°C / 72°F	13°C / 56°F	18°C / 64°F	173 hours	84.17 mm / 3.31 In	8 days	1020 mb / 31 In
2019	21°C / 70°F	12°C / 53°F	16°C / 62°F	155 hours	94.30 mm / 3.71 In	9 days	1017 mb / 31 In
2020	20°C / 67°F	11°C / 51°F	15°C / 59°F	202 hours	80.77 mm / 3.18 In	5 days	1017 mb / 31 In
2021	22°C / 71°F	12°C / 53°F	16°C / 62°F	213 hours	104.34 mm / 4.11 In	7 days	1015 mb / 30 In
2022	22°C / 72°F	12°C / 53°F	17°C / 62°F	192 hours	49.74 mm / 1.96 In	5 days	1016 mb / 30 In
2023	24°C / 75°F	12°C / 53°F	17°C / 63°F	186 hours	38.76 mm / 1.53 In	2 days	1019 mb / 31 In
2024	23°C / 73°F	13°C / 56°F	17°C / 63°F	190 hours	76.74 mm / 3.02 In	5 days	1018 mb / 31 In

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