Mattawa September Weather Averages Ontario, Canada

September Weather Averages for Mattawa

High Temp	19°C	67°F
Low Temp	9°C	49°F
Avg Temp	14°C	57°F
Sunshine Hours	175 hours
Rainfall	100.02 mm	3.94 In
Rain days	8 days
Pressure	1017 mb	30 In

Mattawa September Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	19°C / 66°F	9°C / 47°F	13°C / 56°F	202 hours	116.34 mm / 4.58 In	7 days	1019 mb / 31 In
2009	19°C / 67°F	9°C / 48°F	14°C / 56°F	228 hours	42.39 mm / 1.67 In	4 days	1018 mb / 31 In
2010	17°C / 62°F	9°C / 48°F	12°C / 54°F	101 hours	163.16 mm / 6.42 In	12 days	1012 mb / 30 In
2011	19°C / 67°F	10°C / 49°F	14°C / 58°F	165 hours	75.16 mm / 2.96 In	8 days	1015 mb / 30 In
2012	17°C / 63°F	8°C / 47°F	13°C / 55°F	167 hours	134.10 mm / 5.28 In	7 days	1014 mb / 30 In
2013	18°C / 64°F	8°C / 47°F	13°C / 55°F	181 hours	100.12 mm / 3.94 In	12 days	1015 mb / 30 In
2014	18°C / 64°F	8°C / 47°F	13°C / 55°F	158 hours	127.48 mm / 5.02 In	8 days	1017 mb / 31 In
2015	21°C / 69°F	11°C / 52°F	15°C / 60°F	152 hours	51.12 mm / 2.01 In	5 days	1018 mb / 31 In
2016	20°C / 69°F	10°C / 51°F	15°C / 59°F	214 hours	72.71 mm / 2.86 In	7 days	1019 mb / 31 In
2017	22°C / 71°F	11°C / 51°F	16°C / 60°F	246 hours	62.02 mm / 2.44 In	7 days	1017 mb / 31 In
2018	20°C / 68°F	10°C / 50°F	15°C / 58°F	187 hours	72.10 mm / 2.84 In	8 days	1020 mb / 31 In
2019	19°C / 66°F	9°C / 48°F	14°C / 56°F	158 hours	129.28 mm / 5.09 In	12 days	1017 mb / 31 In
2020	17°C / 63°F	8°C / 47°F	13°C / 55°F	142 hours	96.00 mm / 3.78 In	13 days	1017 mb / 30 In
2021	19°C / 67°F	9°C / 49°F	14°C / 57°F	150 hours	173.20 mm / 6.82 In	8 days	1014 mb / 30 In
2022	19°C / 66°F	9°C / 49°F	14°C / 57°F	158 hours	90.90 mm / 3.58 In	8 days	1016 mb / 30 In
2023	23°C / 73°F	8°C / 47°F	15°C / 59°F	215 hours	41.62 mm / 1.64 In	1 days	1019 mb / 31 In
2024	21°C / 70°F	10°C / 50°F	15°C / 60°F	173 hours	168.97 mm / 6.65 In	7 days	1018 mb / 31 In

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