Royston September Weather Averages Hertfordshire, United Kingdom

September Weather Averages for Royston

High Temp	19°C	66°F
Low Temp	11°C	53°F
Avg Temp	15°C	59°F
Sunshine Hours	138 hours
Rainfall	49.19 mm	1.94 In
Rain days	6 days
Pressure	1016 mb	30 In

Royston September Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	17°C / 62°F	11°C / 51°F	14°C / 57°F	114 hours	70.24 mm / 2.77 In	9 days	1017 mb / 31 In
2009	19°C / 66°F	11°C / 53°F	15°C / 59°F	143 hours	18.20 mm / 0.72 In	2 days	1022 mb / 31 In
2010	17°C / 63°F	10°C / 51°F	14°C / 56°F	112 hours	55.33 mm / 2.18 In	9 days	1015 mb / 30 In
2011	19°C / 67°F	12°C / 53°F	15°C / 59°F	139 hours	28.50 mm / 1.12 In	6 days	1013 mb / 30 In
2012	18°C / 64°F	10°C / 49°F	14°C / 56°F	150 hours	44.61 mm / 1.76 In	4 days	1014 mb / 30 In
2013	18°C / 65°F	11°C / 51°F	14°C / 57°F	161 hours	48.24 mm / 1.90 In	7 days	1015 mb / 30 In
2014	20°C / 68°F	12°C / 54°F	16°C / 60°F	151 hours	14.10 mm / 0.56 In	3 days	1019 mb / 31 In
2015	17°C / 63°F	10°C / 51°F	13°C / 56°F	112 hours	45.20 mm / 1.78 In	6 days	1017 mb / 31 In
2016	21°C / 69°F	13°C / 56°F	17°C / 63°F	133 hours	52.49 mm / 2.07 In	4 days	1016 mb / 30 In
2017	18°C / 64°F	11°C / 51°F	14°C / 58°F	86 hours	60.38 mm / 2.38 In	12 days	1013 mb / 30 In
2018	19°C / 67°F	11°C / 52°F	15°C / 59°F	187 hours	28.50 mm / 1.12 In	5 days	1020 mb / 31 In
2019	19°C / 66°F	11°C / 52°F	15°C / 59°F	168 hours	95.77 mm / 3.77 In	11 days	1017 mb / 31 In
2020	19°C / 66°F	11°C / 52°F	15°C / 59°F	165 hours	42.40 mm / 1.67 In	8 days	1016 mb / 30 In
2021	21°C / 70°F	13°C / 55°F	16°C / 62°F	131 hours	66.60 mm / 2.62 In	6 days	1018 mb / 31 In
2022	20°C / 67°F	12°C / 53°F	15°C / 60°F	74 hours	62.43 mm / 2.46 In	6 days	1013 mb / 30 In
2023	23°C / 73°F	14°C / 58°F	18°C / 65°F	156 hours	28.69 mm / 1.13 In	2 days	1014 mb / 30 In
2024	19°C / 66°F	11°C / 52°F	15°C / 58°F	135 hours	95.54 mm / 3.76 In	3 days	1014 mb / 30 In

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