Alton September Weather Averages Hampshire, United Kingdom

September Weather Averages for Alton

High Temp	19°C	66°F
Low Temp	11°C	52°F
Avg Temp	15°C	59°F
Sunshine Hours	138 hours
Rainfall	54.36 mm	2.14 In
Rain days	6 days
Pressure	1017 mb	30 In

Alton September Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2009	19°C / 66°F	12°C / 53°F	15°C / 59°F	189 hours	17.00 mm / 0.67 In	2 days	1022 mb / 31 In
2010	17°C / 63°F	10°C / 50°F	14°C / 56°F	105 hours	37.40 mm / 1.47 In	7 days	1015 mb / 30 In
2011	19°C / 66°F	12°C / 53°F	15°C / 59°F	131 hours	31.50 mm / 1.24 In	4 days	1014 mb / 30 In
2012	18°C / 64°F	10°C / 49°F	14°C / 56°F	153 hours	50.32 mm / 1.98 In	4 days	1015 mb / 30 In
2013	19°C / 66°F	10°C / 51°F	14°C / 58°F	122 hours	54.97 mm / 2.16 In	9 days	1016 mb / 30 In
2014	21°C / 69°F	12°C / 53°F	16°C / 60°F	148 hours	22.53 mm / 0.89 In	2 days	1019 mb / 31 In
2015	17°C / 63°F	10°C / 50°F	13°C / 56°F	128 hours	50.60 mm / 1.99 In	6 days	1017 mb / 31 In
2016	20°C / 68°F	13°C / 55°F	16°C / 62°F	120 hours	52.91 mm / 2.08 In	6 days	1017 mb / 31 In
2017	17°C / 62°F	11°C / 51°F	14°C / 57°F	91 hours	66.72 mm / 2.63 In	8 days	1014 mb / 30 In
2018	18°C / 65°F	11°C / 52°F	14°C / 58°F	193 hours	31.51 mm / 1.24 In	2 days	1021 mb / 31 In
2019	18°C / 65°F	11°C / 52°F	15°C / 59°F	138 hours	95.88 mm / 3.77 In	11 days	1017 mb / 31 In
2020	19°C / 66°F	11°C / 52°F	15°C / 59°F	171 hours	27.38 mm / 1.08 In	4 days	1017 mb / 31 In
2021	21°C / 69°F	12°C / 53°F	16°C / 60°F	147 hours	46.49 mm / 1.83 In	7 days	1018 mb / 31 In
2022	19°C / 66°F	11°C / 52°F	15°C / 58°F	91 hours	112.62 mm / 4.43 In	11 days	1013 mb / 30 In
2023	22°C / 71°F	14°C / 57°F	17°C / 63°F	175 hours	33.75 mm / 1.33 In	2 days	1014 mb / 30 In
2024	18°C / 64°F	10°C / 51°F	14°C / 57°F	111 hours	138.26 mm / 5.44 In	5 days	1014 mb / 30 In

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