Spearfish September Weather Averages

South Dakota, United States of America

September Weather Averages for Spearfish

High Temp24°C76°F
Low Temp11°C52°F
Avg Temp17°C63°F
Sunshine Hours282 hours 
Rainfall63.81 mm2.51 In
Rain days5 days 
Pressure1012 mb30 In

 

Spearfish September Averages Year by Year

YearHigh TempLow TempAvg TempSunshine HoursRainfallRain daysPressure
200925°C / 76°F10°C / 51°F17°C / 63°F296 hours24.94 mm / 0.98 In5 days1015 mb / 30 In
201023°C / 73°F8°C / 46°F15°C / 59°F288 hours35.22 mm / 1.39 In2 days1013 mb / 30 In
201122°C / 72°F9°C / 49°F15°C / 60°F320 hours33.40 mm / 1.31 In3 days1016 mb / 30 In
201224°C / 75°F10°C / 50°F17°C / 62°F329 hours6.90 mm / 0.27 In4 days1015 mb / 30 In
201324°C / 75°F12°C / 53°F18°C / 64°F299 hours67.41 mm / 2.65 In7 days1011 mb / 30 In
201421°C / 70°F9°C / 48°F15°C / 59°F259 hours108.05 mm / 4.25 In5 days1014 mb / 30 In
201526°C / 78°F13°C / 55°F19°C / 66°F273 hours29.30 mm / 1.15 In2 days1012 mb / 30 In
201622°C / 72°F11°C / 52°F16°C / 61°F261 hours77.36 mm / 3.05 In10 days1014 mb / 30 In
201723°C / 73°F10°C / 50°F16°C / 61°F270 hours57.92 mm / 2.28 In7 days1014 mb / 30 In
201823°C / 73°F10°C / 50°F16°C / 61°F285 hours55.50 mm / 2.19 In6 days1014 mb / 30 In
201923°C / 74°F11°C / 52°F17°C / 62°F244 hours57.54 mm / 2.27 In5 days1011 mb / 30 In
202024°C / 74°F10°C / 50°F17°C / 62°F286 hours32.38 mm / 1.27 In3 days1015 mb / 30 In
202127°C / 81°F12°C / 54°F19°C / 67°F287 hours30.40 mm / 1.20 In5 days1012 mb / 30 In
202228°C / 82°F13°C / 55°F20°C / 67°F303 hours28.60 mm / 1.13 In4 days1013 mb / 30 In
202326°C / 78°F12°C / 54°F18°C / 65°F269 hours89.78 mm / 3.53 In5 days1012 mb / 30 In
202429°C / 84°F15°C / 58°F21°C / 70°F324 hours10.46 mm / 0.41 In0 days1011 mb / 30 In
202524°C / 76°F13°C / 55°F18°C / 65°F269 hours329.30 mm / 12.96 In6 days998 mb / 30 In
202625°C / 77°F13°C / 56°F19°C / 66°F214 hours74.20 mm / 2.92 In12 days1013 mb / 30 In

Need more than one day of Spearfish history?

Download historical weather for Spearfish, 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.
  • Yearly monthly averagesMonthly averages for every year since 2009.
  • Monthly climate averagesLong-term climate normals by month.
  • CSV formatReady for Excel, Python, R or your database.
Buy historical weather data Or use the History API

Weather history near Spearfish

Region

South Dakota

See the Spearfish 14-day forecast »

Hotels near Spearfish

Spearfish weather history: common questions

How far back does Spearfish 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 Spearfish 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.

Quick and Easy Signup for Weather API

WeatherAPI.com makes it super easy to integrate our realtime, daily, hourly and 15 min interval weather forecast data, historical weather, marine weather, bulk request, air quality data, pollen, evapotranspiration, autocomplete, time zone, astronomy and sports data into your new or existing project.
Get Started