Welwyn Garden City September Weather Averages

Hertfordshire, United Kingdom

September Weather Averages for Welwyn Garden City

High Temp19°C66°F
Low Temp11°C53°F
Avg Temp15°C59°F
Sunshine Hours132 hours 
Rainfall47.73 mm1.88 In
Rain days6 days 
Pressure1016 mb30 In

 

Welwyn Garden City September Averages Year by Year

YearHigh TempLow TempAvg TempSunshine HoursRainfallRain daysPressure
200919°C / 66°F11°C / 52°F15°C / 59°F147 hours18.20 mm / 0.72 In3 days1022 mb / 31 In
201017°C / 63°F10°C / 50°F13°C / 56°F110 hours43.28 mm / 1.70 In8 days1015 mb / 30 In
201119°C / 67°F11°C / 53°F15°C / 59°F119 hours27.70 mm / 1.09 In3 days1013 mb / 30 In
201218°C / 64°F9°C / 49°F13°C / 56°F154 hours40.70 mm / 1.60 In5 days1015 mb / 30 In
201318°C / 65°F10°C / 50°F14°C / 57°F148 hours52.90 mm / 2.08 In7 days1016 mb / 30 In
201420°C / 68°F12°C / 53°F16°C / 60°F122 hours13.40 mm / 0.53 In3 days1019 mb / 31 In
201517°C / 62°F10°C / 50°F13°C / 56°F122 hours62.00 mm / 2.44 In8 days1017 mb / 31 In
201620°C / 69°F13°C / 56°F17°C / 62°F137 hours48.80 mm / 1.92 In4 days1017 mb / 31 In
201718°C / 64°F11°C / 52°F14°C / 58°F101 hours56.50 mm / 2.22 In12 days1013 mb / 30 In
201819°C / 66°F12°C / 53°F15°C / 59°F186 hours24.40 mm / 0.96 In3 days1021 mb / 31 In
201919°C / 66°F12°C / 53°F15°C / 59°F151 hours85.20 mm / 3.35 In10 days1017 mb / 31 In
202019°C / 66°F11°C / 52°F15°C / 59°F163 hours27.80 mm / 1.09 In6 days1017 mb / 30 In
202121°C / 70°F12°C / 54°F16°C / 61°F131 hours50.40 mm / 1.98 In8 days1018 mb / 31 In
202219°C / 66°F12°C / 53°F15°C / 59°F74 hours79.69 mm / 3.14 In8 days1013 mb / 30 In
202322°C / 72°F14°C / 57°F18°C / 64°F162 hours37.28 mm / 1.47 In3 days1014 mb / 30 In
202418°C / 65°F11°C / 52°F14°C / 58°F114 hours115.02 mm / 4.53 In4 days1014 mb / 30 In
202519°C / 66°F11°C / 51°F14°C / 58°F128 hours46.10 mm / 1.81 In5 days1015 mb / 30 In
202621°C / 70°F13°C / 55°F17°C / 62°F101 hours29.80 mm / 1.17 In6 days1019 mb / 31 In

Need more than one day of Welwyn Garden City history?

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Weather history near Welwyn Garden City

Region

Hertfordshire

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Welwyn Garden City weather history: common questions

How far back does Welwyn Garden City 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 Welwyn Garden City 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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