Belfast September Weather Averages

Maine, United States of America

September Weather Averages for Belfast

High Temp20°C68°F
Low Temp12°C54°F
Avg Temp16°C60°F
Sunshine Hours204 hours 
Rainfall108.71 mm4.28 In
Rain days6 days 
Pressure1017 mb31 In

 

Belfast September Averages Year by Year

YearHigh TempLow TempAvg TempSunshine HoursRainfallRain daysPressure
200919°C / 66°F10°C / 50°F14°C / 58°F259 hours43.52 mm / 1.71 In2 days1018 mb / 31 In
201020°C / 67°F13°C / 55°F16°C / 61°F184 hours161.06 mm / 6.34 In9 days1013 mb / 30 In
201119°C / 67°F12°C / 54°F16°C / 60°F201 hours72.58 mm / 2.86 In6 days1017 mb / 30 In
201219°C / 65°F11°C / 52°F15°C / 59°F199 hours143.00 mm / 5.63 In11 days1016 mb / 30 In
201319°C / 65°F11°C / 52°F15°C / 58°F200 hours120.61 mm / 4.75 In10 days1014 mb / 30 In
201419°C / 67°F11°C / 52°F15°C / 59°F224 hours27.97 mm / 1.10 In4 days1018 mb / 31 In
201521°C / 71°F13°C / 56°F17°C / 63°F200 hours223.03 mm / 8.78 In4 days1018 mb / 31 In
201621°C / 69°F13°C / 55°F16°C / 61°F213 hours35.00 mm / 1.38 In6 days1019 mb / 31 In
201722°C / 72°F13°C / 56°F17°C / 63°F247 hours52.48 mm / 2.07 In5 days1016 mb / 30 In
201821°C / 70°F13°C / 55°F17°C / 62°F243 hours77.24 mm / 3.04 In3 days1022 mb / 31 In
201919°C / 67°F11°C / 52°F15°C / 59°F223 hours76.44 mm / 3.01 In6 days1018 mb / 31 In
202020°C / 68°F12°C / 54°F16°C / 60°F236 hours31.10 mm / 1.22 In2 days1018 mb / 31 In
202120°C / 68°F13°C / 56°F16°C / 62°F163 hours175.90 mm / 6.93 In6 days1016 mb / 30 In
202220°C / 67°F12°C / 53°F15°C / 60°F187 hours107.00 mm / 4.21 In6 days1015 mb / 30 In
202322°C / 72°F12°C / 54°F16°C / 61°F183 hours180.60 mm / 7.11 In4 days1017 mb / 31 In
202421°C / 69°F12°C / 54°F16°C / 61°F167 hours107.43 mm / 4.23 In2 days1020 mb / 31 In
202521°C / 70°F12°C / 54°F16°C / 61°F175 hours204.10 mm / 8.04 In3 days1019 mb / 31 In
202620°C / 68°F10°C / 50°F15°C / 59°F172 hours117.79 mm / 4.64 In11 days1019 mb / 31 In

Need more than one day of Belfast history?

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Belfast weather history: common questions

How far back does Belfast 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 Belfast 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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