Hemel Hempstead September Weather Averages Hertfordshire, United Kingdom

September Weather Averages for Hemel Hempstead

High Temp	19°C	66°F
Low Temp	11°C	52°F
Avg Temp	15°C	59°F
Sunshine Hours	139 hours
Rainfall	46.28 mm	1.82 In
Rain days	6 days
Pressure	1016 mb	30 In

Hemel Hempstead September Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2009	19°C / 66°F	11°C / 53°F	15°C / 59°F	153 hours	18.20 mm / 0.72 In	3 days	1022 mb / 31 In
2010	17°C / 63°F	10°C / 50°F	14°C / 56°F	107 hours	42.00 mm / 1.65 In	8 days	1015 mb / 30 In
2011	20°C / 67°F	11°C / 52°F	15°C / 59°F	125 hours	27.70 mm / 1.09 In	3 days	1013 mb / 30 In
2012	18°C / 64°F	9°C / 49°F	13°C / 56°F	158 hours	42.06 mm / 1.66 In	5 days	1015 mb / 30 In
2013	18°C / 65°F	10°C / 50°F	14°C / 57°F	151 hours	60.61 mm / 2.39 In	7 days	1016 mb / 30 In
2014	20°C / 69°F	12°C / 53°F	16°C / 60°F	141 hours	13.40 mm / 0.53 In	3 days	1019 mb / 31 In
2015	17°C / 63°F	10°C / 50°F	13°C / 56°F	124 hours	62.00 mm / 2.44 In	8 days	1017 mb / 31 In
2016	21°C / 69°F	13°C / 55°F	17°C / 62°F	136 hours	48.80 mm / 1.92 In	4 days	1017 mb / 31 In
2017	18°C / 64°F	11°C / 53°F	15°C / 58°F	109 hours	57.62 mm / 2.27 In	12 days	1013 mb / 30 In
2018	19°C / 66°F	12°C / 53°F	15°C / 60°F	187 hours	29.63 mm / 1.17 In	3 days	1021 mb / 31 In
2019	19°C / 66°F	12°C / 54°F	16°C / 60°F	152 hours	89.54 mm / 3.53 In	10 days	1017 mb / 31 In
2020	19°C / 66°F	11°C / 52°F	15°C / 59°F	163 hours	33.28 mm / 1.31 In	6 days	1017 mb / 30 In
2021	21°C / 69°F	12°C / 54°F	16°C / 61°F	133 hours	50.40 mm / 1.98 In	8 days	1018 mb / 31 In
2022	19°C / 66°F	11°C / 53°F	15°C / 59°F	75 hours	80.58 mm / 3.17 In	8 days	1013 mb / 30 In
2023	22°C / 72°F	14°C / 57°F	18°C / 64°F	164 hours	38.32 mm / 1.51 In	3 days	1014 mb / 30 In

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