Llanberis September Weather Averages Gwynedd, United Kingdom

September Weather Averages for Llanberis

High Temp	13°C	55°F
Low Temp	7°C	45°F
Avg Temp	10°C	50°F
Sunshine Hours	90 hours
Rainfall	105.01 mm	4.13 In
Rain days	9 days
Pressure	1016 mb	30 In

Llanberis September Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	11°C / 52°F	6°C / 43°F	9°C / 48°F	91 hours	143.23 mm / 5.64 In	12 days	1016 mb / 30 In
2009	12°C / 53°F	7°C / 44°F	9°C / 49°F	131 hours	51.55 mm / 2.03 In	6 days	1022 mb / 31 In
2010	12°C / 54°F	7°C / 45°F	10°C / 49°F	80 hours	132.21 mm / 5.20 In	13 days	1014 mb / 30 In
2011	13°C / 55°F	8°C / 46°F	10°C / 51°F	75 hours	101.89 mm / 4.01 In	13 days	1010 mb / 30 In
2012	11°C / 52°F	6°C / 42°F	9°C / 47°F	79 hours	150.26 mm / 5.92 In	11 days	1014 mb / 30 In
2013	12°C / 54°F	7°C / 44°F	10°C / 49°F	67 hours	53.30 mm / 2.10 In	9 days	1015 mb / 30 In
2014	14°C / 58°F	7°C / 45°F	11°C / 52°F	134 hours	8.20 mm / 0.32 In	1 days	1019 mb / 31 In
2015	12°C / 53°F	5°C / 42°F	9°C / 47°F	98 hours	65.65 mm / 2.58 In	5 days	1017 mb / 31 In
2016	14°C / 57°F	8°C / 47°F	11°C / 52°F	62 hours	103.47 mm / 4.07 In	8 days	1015 mb / 30 In
2017	11°C / 52°F	7°C / 44°F	9°C / 48°F	44 hours	158.72 mm / 6.25 In	18 days	1012 mb / 30 In
2018	11°C / 52°F	6°C / 44°F	9°C / 48°F	76 hours	131.43 mm / 5.17 In	11 days	1020 mb / 31 In
2019	12°C / 54°F	7°C / 45°F	10°C / 50°F	99 hours	142.37 mm / 5.61 In	12 days	1016 mb / 30 In
2020	12°C / 53°F	6°C / 43°F	9°C / 48°F	109 hours	54.67 mm / 2.15 In	7 days	1017 mb / 30 In
2021	14°C / 57°F	9°C / 48°F	11°C / 52°F	133 hours	121.50 mm / 4.78 In	8 days	1018 mb / 31 In
2022	13°C / 55°F	8°C / 47°F	10°C / 51°F	40 hours	143.56 mm / 5.65 In	11 days	1013 mb / 30 In
2023	16°C / 60°F	10°C / 51°F	13°C / 55°F	120 hours	157.61 mm / 6.21 In	6 days	1013 mb / 30 In
2024	14°C / 58°F	8°C / 47°F	11°C / 52°F	92 hours	103.83 mm / 4.09 In	11 days	1015 mb / 30 In

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