Baltimore September Weather Averages

Maryland, United States of America

September Weather Averages for Baltimore

High Temp26°C78°F
Low Temp17°C63°F
Avg Temp21°C70°F
Sunshine Hours206 hours 
Rainfall155.73 mm6.13 In
Rain days7 days 
Pressure1018 mb31 In

 

Baltimore September Averages Year by Year

YearHigh TempLow TempAvg TempSunshine HoursRainfallRain daysPressure
200924°C / 74°F15°C / 59°F19°C / 66°F207 hours145.95 mm / 5.75 In5 days1018 mb / 31 In
201027°C / 81°F16°C / 61°F21°C / 71°F269 hours227.13 mm / 8.94 In7 days1015 mb / 30 In
201124°C / 75°F16°C / 61°F20°C / 68°F143 hours253.15 mm / 9.97 In14 days1016 mb / 30 In
201225°C / 76°F16°C / 60°F20°C / 68°F245 hours120.33 mm / 4.74 In8 days1017 mb / 30 In
201325°C / 77°F14°C / 58°F19°C / 66°F306 hours45.12 mm / 1.78 In3 days1016 mb / 30 In
201425°C / 76°F16°C / 60°F20°C / 68°F252 hours83.70 mm / 3.30 In5 days1019 mb / 31 In
201526°C / 79°F17°C / 63°F22°C / 71°F180 hours54.59 mm / 2.15 In5 days1018 mb / 31 In
201627°C / 80°F18°C / 65°F22°C / 72°F234 hours179.56 mm / 7.07 In10 days1018 mb / 31 In
201725°C / 78°F17°C / 63°F21°C / 70°F245 hours43.00 mm / 1.69 In4 days1017 mb / 31 In
201825°C / 78°F20°C / 67°F22°C / 72°F123 hours278.73 mm / 10.97 In18 days1020 mb / 31 In
201927°C / 80°F18°C / 65°F22°C / 72°F239 hours31.10 mm / 1.22 In3 days1019 mb / 31 In
202025°C / 76°F18°C / 64°F21°C / 70°F190 hours98.08 mm / 3.86 In7 days1019 mb / 31 In
202126°C / 80°F18°C / 64°F22°C / 71°F234 hours127.11 mm / 5.00 In7 days1016 mb / 30 In
202226°C / 79°F17°C / 63°F21°C / 70°F228 hours122.50 mm / 4.82 In7 days1017 mb / 31 In
202327°C / 80°F17°C / 63°F22°C / 71°F187 hours223.06 mm / 8.78 In4 days1017 mb / 31 In
202424°C / 76°F18°C / 64°F21°C / 70°F148 hours317.67 mm / 12.51 In6 days1018 mb / 31 In
202526°C / 79°F18°C / 65°F22°C / 71°F139 hours301.90 mm / 11.89 In3 days1018 mb / 31 In
202626°C / 79°F18°C / 65°F22°C / 72°F142 hours150.40 mm / 5.92 In16 days1018 mb / 31 In

Need more than one day of Baltimore history?

Download historical weather for Baltimore, 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 Baltimore

Region

Maryland

See the Baltimore 14-day forecast »

Hotels near Baltimore

Baltimore weather history: common questions

How far back does Baltimore 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 Baltimore 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.

Get your free weather API key in a minute

100,000 calls a month, free for commercial use. No credit card.

Sign up free Read the docs