Weather in Baltimore, Maryland, United States in September
In an average September, Baltimore sees a daily high around 79°F and a low around 58°F, based on 1981–2026 of local climate records.
| Average high | 79°F |
|---|---|
| Typical high range | 70°F to 88°F |
| Average low | 58°F |
| Typical low range | 50°F to 67°F |
| Average daily precipitation | 0.10 in |
September records
The most extreme September on record for each metric, across 1981–2026. For rainfall, the wettest and driest are by total September accumulation.
High
Highest
99°F
2023-09-06
Lowest
51°F
1984-09-28
Low
Highest
75°F
2023-09-07
Lowest
39°F
1992-09-30
Feels-like
Highest
124°F
2019-09-11
Lowest
30°F
1992-09-30
Humidity
Highest
21.0 g/m³
2012-09-03
Lowest
5.1 g/m³
1983-09-23
Wind
Highest
38 mph
2003-09-18
Lowest
5 mph
2011-09-11
Precip
Wettest
11.19 in
1999
Driest
0.38 in
2005
See Baltimore's live weather grade →
Visiting Baltimore in September? See how its comfort stacks up against where you live.
Compare Baltimore with your city →