Frederick September Weather Averages

Maryland, United States of America

September Weather Averages for Frederick

High Temp25°C78°F
Low Temp15°C59°F
Avg Temp20°C68°F
Sunshine Hours199 hours 
Rainfall132.53 mm5.22 In
Rain days8 days 
Pressure1018 mb31 In

 

Frederick September Averages Year by Year

YearHigh TempLow TempAvg TempSunshine HoursRainfallRain daysPressure
200924°C / 74°F14°C / 58°F18°C / 65°F186 hours65.82 mm / 2.59 In7 days1018 mb / 31 In
201027°C / 81°F15°C / 59°F21°C / 69°F267 hours200.91 mm / 7.91 In7 days1015 mb / 30 In
201125°C / 76°F15°C / 59°F19°C / 67°F136 hours265.60 mm / 10.46 In15 days1016 mb / 30 In
201225°C / 77°F14°C / 58°F19°C / 66°F244 hours120.35 mm / 4.74 In9 days1017 mb / 30 In
201325°C / 77°F13°C / 56°F19°C / 65°F268 hours30.92 mm / 1.22 In4 days1017 mb / 30 In
201425°C / 78°F14°C / 58°F19°C / 67°F229 hours52.15 mm / 2.05 In8 days1019 mb / 31 In
201526°C / 79°F16°C / 60°F20°C / 69°F183 hours127.15 mm / 5.01 In9 days1018 mb / 31 In
201627°C / 81°F17°C / 62°F22°C / 71°F219 hours216.59 mm / 8.53 In8 days1019 mb / 31 In
201724°C / 76°F15°C / 59°F19°C / 67°F234 hours63.12 mm / 2.48 In4 days1017 mb / 31 In
201825°C / 76°F17°C / 63°F21°C / 69°F113 hours274.53 mm / 10.81 In17 days1020 mb / 31 In
201927°C / 81°F17°C / 62°F21°C / 71°F235 hours26.76 mm / 1.05 In5 days1019 mb / 31 In
202024°C / 74°F14°C / 58°F19°C / 66°F185 hours60.23 mm / 2.37 In4 days1019 mb / 31 In
202126°C / 79°F15°C / 59°F20°C / 68°F219 hours147.79 mm / 5.82 In7 days1017 mb / 31 In
202226°C / 78°F14°C / 58°F20°C / 67°F227 hours111.10 mm / 4.37 In8 days1017 mb / 31 In
202326°C / 79°F14°C / 57°F19°C / 67°F182 hours197.02 mm / 7.76 In5 days1018 mb / 31 In
202424°C / 75°F15°C / 59°F19°C / 66°F163 hours188.54 mm / 7.42 In3 days1018 mb / 31 In
202525°C / 77°F15°C / 59°F20°C / 68°F148 hours131.60 mm / 5.18 In4 days1019 mb / 31 In
202626°C / 79°F16°C / 61°F21°C / 69°F136 hours105.40 mm / 4.15 In17 days1018 mb / 31 In

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Weather history near Frederick

Region

Maryland

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Frederick weather history: common questions

How far back does Frederick 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 Frederick 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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