September Weather Averages for Siwan

High Temp33°C91°F
Low Temp26°C79°F
Avg Temp29°C84°F
Sunshine Hours120 hours 
Rainfall243.86 mm9.60 In
Rain days16 days 
Pressure1004 mb30 In

 

Siwan September Averages Year by Year

YearHigh TempLow TempAvg TempSunshine HoursRainfallRain daysPressure
200932°C / 90°F26°C / 78°F29°C / 84°F197 hours162.06 mm / 6.38 In18 days1004 mb / 30 In
201032°C / 90°F25°C / 78°F28°C / 83°F130 hours238.42 mm / 9.39 In22 days1004 mb / 30 In
201131°C / 88°F25°C / 78°F28°C / 82°F97 hours503.57 mm / 19.83 In22 days1002 mb / 30 In
201233°C / 91°F26°C / 78°F29°C / 84°F181 hours216.16 mm / 8.51 In16 days1004 mb / 30 In
201334°C / 93°F27°C / 80°F30°C / 86°F216 hours112.40 mm / 4.43 In13 days1003 mb / 30 In
201433°C / 91°F26°C / 79°F29°C / 84°F150 hours199.37 mm / 7.85 In20 days1004 mb / 30 In
201534°C / 93°F26°C / 80°F30°C / 86°F187 hours128.70 mm / 5.07 In8 days1004 mb / 30 In
201632°C / 89°F26°C / 79°F28°C / 83°F50 hours466.26 mm / 18.36 In27 days1004 mb / 30 In
201733°C / 92°F27°C / 81°F30°C / 86°F116 hours122.69 mm / 4.83 In14 days1004 mb / 30 In
201833°C / 92°F26°C / 80°F29°C / 85°F166 hours147.34 mm / 5.80 In15 days1005 mb / 30 In
201931°C / 88°F26°C / 79°F28°C / 83°F56 hours488.30 mm / 19.22 In25 days1004 mb / 30 In
202033°C / 91°F27°C / 80°F29°C / 85°F68 hours282.46 mm / 11.12 In17 days1002 mb / 30 In
202133°C / 91°F26°C / 79°F29°C / 84°F23 hours210.70 mm / 8.30 In24 days1004 mb / 30 In
202232°C / 90°F26°C / 79°F29°C / 84°F38 hours312.30 mm / 12.30 In19 days1004 mb / 30 In
202334°C / 93°F27°C / 80°F30°C / 86°F114 hours94.28 mm / 3.71 In3 days1003 mb / 30 In
202434°C / 93°F27°C / 80°F30°C / 86°F159 hours318.63 mm / 12.54 In6 days1003 mb / 30 In
202535°C / 94°F27°C / 81°F30°C / 87°F101 hours113.80 mm / 4.48 In4 days1003 mb / 30 In
202632°C / 89°F26°C / 78°F29°C / 83°F114 hours272.00 mm / 10.71 In21 days1006 mb / 30 In

Need more than one day of Siwan history?

Download historical weather for Siwan, 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 Siwan

Region

Bihar

See the Siwan 14-day forecast »

Hotels near Siwan

Siwan weather history: common questions

How far back does Siwan 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 Siwan 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