Baltimore MD Recent September Temperatures, 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

September temperature averages by year in Baltimore
High °F	Low °F	Year	High °C	Low °C
81	62	2023	27	17
81	60	2022	27	16
82	61	2021	28	16
78	59	2020	26	15
86	62	2019	30	17
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
2023	27	6
2022	28	2
2021	30	2
2020	26	1
2019	30	8
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

Rain

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
12	2023	6.3	159
8	2022	3.4	85
10	2021	6.0	153
13	2020	4.5	114
3	2019	0.2	4
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

Baltimore - Recent September Temperatures and Rainfall

Temperature

Rain

Reference

More on Weather in Baltimore