Llanberis September Weather Averages

Gwynedd, United Kingdom

September Weather Averages for Llanberis

High Temp13°C55°F
Low Temp7°C45°F
Avg Temp10°C50°F
Sunshine Hours86 hours 
Rainfall117.75 mm4.64 In
Rain days10 days 
Pressure1015 mb30 In

 

Llanberis September Averages Year by Year

YearHigh TempLow TempAvg TempSunshine HoursRainfallRain daysPressure
200912°C / 53°F7°C / 44°F9°C / 49°F131 hours51.55 mm / 2.03 In6 days1022 mb / 31 In
201012°C / 54°F7°C / 45°F10°C / 49°F80 hours132.21 mm / 5.20 In13 days1014 mb / 30 In
201113°C / 55°F8°C / 46°F10°C / 51°F75 hours101.89 mm / 4.01 In13 days1010 mb / 30 In
201211°C / 52°F6°C / 42°F9°C / 47°F79 hours150.26 mm / 5.92 In11 days1014 mb / 30 In
201312°C / 54°F7°C / 44°F10°C / 49°F67 hours53.30 mm / 2.10 In9 days1015 mb / 30 In
201414°C / 58°F7°C / 45°F11°C / 52°F134 hours8.20 mm / 0.32 In1 days1019 mb / 31 In
201512°C / 53°F5°C / 42°F9°C / 47°F98 hours65.65 mm / 2.58 In5 days1017 mb / 31 In
201614°C / 57°F8°C / 47°F11°C / 52°F62 hours103.47 mm / 4.07 In8 days1015 mb / 30 In
201711°C / 52°F7°C / 44°F9°C / 48°F44 hours158.72 mm / 6.25 In18 days1012 mb / 30 In
201811°C / 52°F6°C / 44°F9°C / 48°F76 hours131.43 mm / 5.17 In11 days1020 mb / 31 In
201912°C / 54°F7°C / 45°F10°C / 50°F99 hours142.37 mm / 5.61 In12 days1016 mb / 30 In
202012°C / 53°F6°C / 43°F9°C / 48°F109 hours54.67 mm / 2.15 In7 days1017 mb / 30 In
202114°C / 57°F9°C / 48°F11°C / 52°F133 hours121.50 mm / 4.78 In8 days1018 mb / 31 In
202213°C / 55°F8°C / 47°F10°C / 51°F40 hours143.56 mm / 5.65 In11 days1013 mb / 30 In
202316°C / 60°F10°C / 51°F13°C / 55°F120 hours157.61 mm / 6.21 In6 days1013 mb / 30 In
202414°C / 58°F8°C / 47°F11°C / 52°F92 hours103.84 mm / 4.09 In11 days1015 mb / 30 In
202513°C / 55°F8°C / 46°F10°C / 50°F49 hours179.50 mm / 7.07 In9 days1013 mb / 30 In
202613°C / 55°F7°C / 45°F10°C / 50°F54 hours259.70 mm / 10.22 In24 days1017 mb / 31 In

Need more than one day of Llanberis history?

Download historical weather for Llanberis, or any other location, in CSV from January 2009 onwards. Ideal for research, insurance, energy, agriculture and machine-learning projects.

  • Historical weatherDaily and hourly interval data.
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Weather history near Llanberis

Region

Gwynedd

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Llanberis weather history: common questions

How far back does Llanberis weather history go?

Hourly historical weather is available from 1 January 2009. Choose a date above, or pick a month at the top of the page for long-term averages.

Can I download Llanberis historical weather as a file?

Yes. Buy historical weather data as daily or hourly CSV, yearly monthly averages or monthly climate averages. A free sample download is available.

Is there an API for historical weather?

Yes. The WeatherAPI.com History API returns hourly weather for any past date from 2010, as JSON or XML. Get a free API key.

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