Somerville September Weather Averages Massachusetts, United States of America

September Weather Averages for Somerville

High Temp	23°C	73°F
Low Temp	15°C	58°F
Avg Temp	19°C	65°F
Sunshine Hours	210 hours
Rainfall	90.73 mm	3.57 In
Rain days	6 days
Pressure	1018 mb	31 In

Somerville September Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	21°C / 71°F	15°C / 58°F	18°C / 64°F	228 hours	228.45 mm / 8.99 In	8 days	1019 mb / 31 In
2009	21°C / 70°F	13°C / 55°F	17°C / 62°F	263 hours	45.86 mm / 1.81 In	3 days	1018 mb / 31 In
2010	24°C / 75°F	15°C / 58°F	19°C / 66°F	214 hours	55.40 mm / 2.18 In	5 days	1014 mb / 30 In
2011	22°C / 72°F	15°C / 58°F	18°C / 65°F	200 hours	124.06 mm / 4.88 In	10 days	1017 mb / 31 In
2012	22°C / 71°F	13°C / 55°F	17°C / 63°F	224 hours	85.89 mm / 3.38 In	9 days	1016 mb / 30 In
2013	22°C / 71°F	12°C / 54°F	17°C / 63°F	230 hours	47.55 mm / 1.87 In	6 days	1015 mb / 30 In
2014	23°C / 73°F	14°C / 56°F	18°C / 64°F	244 hours	18.60 mm / 0.73 In	4 days	1019 mb / 31 In
2015	24°C / 76°F	15°C / 60°F	20°C / 67°F	204 hours	85.67 mm / 3.37 In	4 days	1018 mb / 31 In
2016	24°C / 75°F	15°C / 60°F	19°C / 67°F	209 hours	56.30 mm / 2.22 In	6 days	1019 mb / 31 In
2017	24°C / 76°F	17°C / 62°F	20°C / 68°F	226 hours	66.39 mm / 2.61 In	6 days	1016 mb / 30 In
2018	23°C / 74°F	17°C / 63°F	20°C / 68°F	162 hours	130.84 mm / 5.15 In	7 days	1022 mb / 31 In
2019	23°C / 74°F	15°C / 59°F	19°C / 66°F	244 hours	41.40 mm / 1.63 In	5 days	1019 mb / 31 In
2020	24°C / 75°F	16°C / 61°F	19°C / 67°F	236 hours	32.60 mm / 1.28 In	5 days	1019 mb / 31 In
2021	23°C / 74°F	15°C / 59°F	19°C / 66°F	165 hours	159.60 mm / 6.28 In	8 days	1016 mb / 30 In
2022	23°C / 73°F	14°C / 57°F	18°C / 64°F	184 hours	119.20 mm / 4.69 In	5 days	1016 mb / 30 In
2023	24°C / 75°F	15°C / 59°F	19°C / 66°F	187 hours	160.10 mm / 6.30 In	6 days	1018 mb / 31 In
2024	22°C / 71°F	14°C / 58°F	18°C / 64°F	171 hours	222.19 mm / 8.75 In	6 days	1020 mb / 31 In

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