Baltimore - Recent September Temperatures and Rainfall





The numbers here describe what the September weather in Baltimore, Maryland was like for every year since 2010. A series of tables gives September data by year for temperature and precipitation.

They begin with average maximum and minimum temperatures in degrees Fahrenheit and Celsius. That's followed by how many really hot days occurred each September. Then there's information on how much rain actually landed this month during recent years, as well as how often Baltimore had wet weather.

The climate data come from weather measurements made at the Baltimore Washington International Airport.

Temperature Weather iconTemperature

September temperature averages by year in Baltimore
High °F Low °F Year High °C Low °C
80 66 2018 27 19
79 59 2017 26 15
82 63 2016 28 17
82 61 2015 28 16
78 59 2014 26 15
79 56 2013 26 13
80 60 2012 26 15
77 61 2011 25 16
82 60 2010 28 15
Number of days in September when the temperature in Baltimore rose to at least 70 or 90 degrees Fahrenheit
Year 70 °F
21 °C
90 °F
32 °C
2018 27 5
2017 27 2
2016 26 7
2015 29 7
2014 28 3
2013 28 4
2012 28 2
2011 27 0
2010 28 7

Rainy Weather iconRain

This table gives the total precipitation that fell on Baltimore during September in each year from 2010. The number of days with precipitation counts the days when rainfall amounted to 0.01 inches (0.3 millimeters) or more.

Total rainfall for September in Baltimore
Days Year Inches Milli­metres
18 2018 9.2 233
7 2017 2.0 50
7 2016 4.4 111
5 2015 3.3 83
9 2014 3.2 82
5 2013 1.7 42
12 2012 2.2 56
16 2011 13.3 338
8 2010 8.3 210
Reference

Jay Lawrimore. 2016. Global Summary of the Month, Version 1.0. NOAA National Centers for Environmental Information. 

Baltimore - Recent Years
Baltimore - Extremes
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