Acton September Weather Averages Massachusetts, United States of America

September Weather Averages for Acton

High Temp	23°C	74°F
Low Temp	14°C	57°F
Avg Temp	18°C	65°F
Sunshine Hours	206 hours
Rainfall	93.18 mm	3.67 In
Rain days	6 days
Pressure	1018 mb	31 In

Acton September Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	22°C / 71°F	13°C / 56°F	17°C / 63°F	219 hours	226.76 mm / 8.93 In	8 days	1019 mb / 31 In
2009	21°C / 70°F	12°C / 53°F	16°C / 61°F	250 hours	37.68 mm / 1.48 In	3 days	1018 mb / 31 In
2010	24°C / 75°F	14°C / 57°F	19°C / 65°F	212 hours	57.00 mm / 2.24 In	5 days	1014 mb / 30 In
2011	23°C / 74°F	14°C / 57°F	18°C / 65°F	192 hours	127.26 mm / 5.01 In	8 days	1017 mb / 31 In
2012	22°C / 72°F	12°C / 54°F	17°C / 63°F	240 hours	94.90 mm / 3.74 In	8 days	1016 mb / 30 In
2013	23°C / 73°F	12°C / 53°F	17°C / 62°F	237 hours	72.89 mm / 2.87 In	6 days	1015 mb / 30 In
2014	23°C / 74°F	13°C / 55°F	18°C / 64°F	256 hours	16.40 mm / 0.65 In	4 days	1019 mb / 31 In
2015	25°C / 77°F	15°C / 58°F	19°C / 67°F	208 hours	115.27 mm / 4.54 In	4 days	1018 mb / 31 In
2016	24°C / 76°F	15°C / 59°F	19°C / 66°F	207 hours	58.90 mm / 2.32 In	6 days	1019 mb / 31 In
2017	25°C / 77°F	15°C / 60°F	20°C / 67°F	209 hours	62.15 mm / 2.45 In	6 days	1016 mb / 30 In
2018	24°C / 75°F	16°C / 60°F	19°C / 67°F	150 hours	130.62 mm / 5.14 In	6 days	1022 mb / 31 In
2019	24°C / 75°F	13°C / 56°F	18°C / 65°F	245 hours	36.13 mm / 1.42 In	4 days	1019 mb / 31 In
2020	24°C / 75°F	14°C / 58°F	19°C / 66°F	219 hours	32.90 mm / 1.30 In	5 days	1019 mb / 31 In
2021	23°C / 74°F	14°C / 57°F	18°C / 65°F	165 hours	153.00 mm / 6.02 In	10 days	1016 mb / 30 In
2022	23°C / 73°F	12°C / 54°F	17°C / 63°F	173 hours	145.50 mm / 5.73 In	5 days	1016 mb / 30 In
2023	24°C / 76°F	14°C / 57°F	18°C / 65°F	168 hours	154.20 mm / 6.07 In	6 days	1018 mb / 31 In
2024	22°C / 71°F	13°C / 55°F	17°C / 63°F	169 hours	196.14 mm / 7.72 In	4 days	1020 mb / 31 In

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