Llanelli September Weather Averages

Carmarthenshire, United Kingdom

September Weather Averages for Llanelli

High Temp17°C62°F
Low Temp12°C54°F
Avg Temp14°C58°F
Sunshine Hours124 hours 
Rainfall111.61 mm4.39 In
Rain days9 days 
Pressure1016 mb30 In

 

Llanelli September Averages Year by Year

YearHigh TempLow TempAvg TempSunshine HoursRainfallRain daysPressure
200917°C / 62°F11°C / 52°F14°C / 57°F176 hours43.59 mm / 1.72 In4 days1023 mb / 31 In
201016°C / 61°F12°C / 53°F14°C / 57°F131 hours136.11 mm / 5.36 In11 days1015 mb / 30 In
201116°C / 62°F12°C / 54°F14°C / 58°F100 hours130.27 mm / 5.13 In13 days1012 mb / 30 In
201215°C / 60°F11°C / 52°F13°C / 56°F127 hours70.09 mm / 2.76 In6 days1015 mb / 30 In
201317°C / 62°F12°C / 53°F14°C / 57°F118 hours67.90 mm / 2.67 In7 days1016 mb / 30 In
201419°C / 66°F12°C / 54°F15°C / 60°F227 hours12.10 mm / 0.48 In2 days1019 mb / 31 In
201516°C / 61°F11°C / 53°F14°C / 56°F139 hours72.81 mm / 2.87 In4 days1017 mb / 31 In
201617°C / 63°F14°C / 57°F16°C / 60°F117 hours132.65 mm / 5.22 In7 days1016 mb / 30 In
201716°C / 60°F12°C / 54°F14°C / 57°F86 hours144.34 mm / 5.68 In15 days1013 mb / 30 In
201816°C / 60°F12°C / 54°F14°C / 57°F100 hours118.06 mm / 4.65 In10 days1021 mb / 31 In
201917°C / 62°F13°C / 55°F15°C / 58°F145 hours191.39 mm / 7.54 In11 days1017 mb / 31 In
202016°C / 61°F11°C / 52°F14°C / 57°F142 hours61.00 mm / 2.40 In6 days1017 mb / 31 In
202118°C / 64°F12°C / 54°F15°C / 59°F144 hours109.51 mm / 4.31 In9 days1018 mb / 31 In
202217°C / 63°F12°C / 53°F14°C / 58°F108 hours141.18 mm / 5.56 In11 days1013 mb / 30 In
202318°C / 65°F14°C / 56°F16°C / 61°F134 hours136.95 mm / 5.39 In6 days1013 mb / 30 In
202416°C / 61°F11°C / 52°F14°C / 56°F78 hours136.85 mm / 5.39 In6 days1015 mb / 30 In
202516°C / 61°F11°C / 52°F14°C / 56°F88 hours176.50 mm / 6.95 In8 days1014 mb / 30 In
202618°C / 64°F13°C / 55°F15°C / 59°F70 hours127.60 mm / 5.02 In20 days1019 mb / 31 In

Need more than one day of Llanelli history?

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

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Llanelli weather history: common questions

How far back does Llanelli 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 Llanelli 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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