Boulder September Weather Averages

Western Australia, Australia

September Weather Averages for Boulder

High Temp21°C71°F
Low Temp10°C50°F
Avg Temp16°C60°F
Sunshine Hours282 hours 
Rainfall14.94 mm0.59 In
Rain days2 days 
Pressure1019 mb31 In

 

Boulder September Averages Year by Year

YearHigh TempLow TempAvg TempSunshine HoursRainfallRain daysPressure
200919°C / 67°F8°C / 46°F13°C / 56°F295 hours17.08 mm / 0.67 In3 days1016 mb / 30 In
201018°C / 64°F7°C / 45°F13°C / 55°F253 hours38.93 mm / 1.53 In2 days1023 mb / 31 In
201121°C / 69°F9°C / 49°F15°C / 59°F309 hours9.60 mm / 0.38 In2 days1020 mb / 31 In
201221°C / 70°F10°C / 51°F16°C / 61°F296 hours8.10 mm / 0.32 In3 days1017 mb / 30 In
201321°C / 69°F11°C / 51°F16°C / 60°F272 hours17.70 mm / 0.70 In3 days1014 mb / 30 In
201423°C / 73°F12°C / 53°F17°C / 63°F276 hours11.60 mm / 0.46 In1 days1017 mb / 31 In
201522°C / 72°F10°C / 50°F16°C / 61°F312 hours1.30 mm / 0.05 In1 days1021 mb / 31 In
201618°C / 65°F7°C / 45°F13°C / 55°F270 hours8.20 mm / 0.32 In2 days1018 mb / 31 In
201721°C / 69°F11°C / 52°F16°C / 60°F240 hours13.66 mm / 0.54 In3 days1018 mb / 31 In
201822°C / 71°F11°C / 51°F16°C / 61°F314 hours7.00 mm / 0.28 In2 days1020 mb / 31 In
201925°C / 76°F12°C / 53°F18°C / 65°F330 hours0.60 mm / 0.02 In0 days1020 mb / 31 In
202023°C / 73°F11°C / 52°F17°C / 62°F266 hours1.40 mm / 0.06 In0 days1017 mb / 31 In
202122°C / 71°F9°C / 48°F15°C / 60°F306 hours0.80 mm / 0.03 In0 days1020 mb / 31 In
202220°C / 68°F10°C / 49°F15°C / 59°F248 hours38.50 mm / 1.52 In5 days1018 mb / 31 In
202326°C / 79°F12°C / 54°F20°C / 67°F300 hours2.47 mm / 0.10 In0 days1018 mb / 31 In
202423°C / 73°F10°C / 49°F16°C / 61°F301 hours9.73 mm / 0.38 In1 days1021 mb / 31 In
202522°C / 71°F10°C / 49°F16°C / 60°F307 hours5.00 mm / 0.20 In0 days1019 mb / 31 In
202622°C / 71°F12°C / 53°F17°C / 62°F187 hours77.17 mm / 3.04 In9 days1020 mb / 31 In

Need more than one day of Boulder history?

Download historical weather for Boulder, 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 Boulder

Region

Western Australia

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Boulder weather history: common questions

How far back does Boulder 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 Boulder 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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