City of Baltimore (Baltimore)
September
Weather in City of Baltimore, Maryland for September 2026
Your guide to City of Baltimore weather in September - trends and predictions
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So far, September 2026 in City of Baltimore is slightly warmer than the historical average by 1.7 °F.
The forecast for the next days in City of Baltimore predicts temperatures to be around 22 °F, close to the historical average.
In general, the average temperature in City of Baltimore at the beginning of September is 30.1 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 22.6 °F by the end of September.
City of Baltimore experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 280.9 mm.
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Temperatures
Rain 🌧️
More
9
Dry days
21
Rainy days
0
Snow days
25°/17°
Temperatures
16 km/h
Avg max wind
69 %
Avg humidity
City of Baltimore Weather September
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Temperatures trend during September in City of Baltimore
See the weather trend as well as the moving average line
September weather in City of Baltimore day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Sunny | 30° /19° | 1.2 mm | 7 | |
| Sept. 2 |  Cloudy | 28° /18° | 18.1 mm | 6 | |
| Sept. 3 | Sunny | 30° /18° | 0.3 mm | 6 | |
| Sept. 4 |  Patchy rain possible | 32° /19° | 5.1 mm | 7 | |
| Sept. 5 | Sunny | 32° /20° | 4.8 mm | 8 | |
| Sept. 6 | Sunny | 31° /20° | 31.2 mm | 7 | |
| Sept. 7 | Patchy rain possible | 28° /18° | 11 mm | 7 | |
| Sept. 8 | Sunny | 29° /15° | 1.5 mm | 7 | |
| Sept. 9 | Patchy rain possible | 28° /16° | 1.9 mm | 7 | |
| Sept. 10 | Light rain shower | 28° /19° | 3.9 mm | 5 | |
| Sept. 11 | Patchy rain possible | 28° /19° | 0.7 mm | 6 | |
| Sept. 12 |  Mist | 28° /18° | 0.7 mm | 6 | |
| Sept. 13 | Light rain shower | 27° /19° | 4.5 mm | 5 | |
| Sept. 14 |  Partly cloudy | 27° /18° | 0 mm | 7 | |
| Sept. 15 | Sunny | 27° /15° | 0.7 mm | 7 | |
| Sept. 16 | Sunny | 25° /15° | 2 mm | 6 | |
| Sept. 17 |  Heavy rain | 22° /17° | 15.4 mm | 5 | |
| Sept. 18 | Light rain shower | 26° /18° | 14.8 mm | 6 | |
| Sept. 19 | Sunny | 26° /16° | 9.6 mm | 7 | |
| Sept. 20 | Partly cloudy | 25° /17° | 4.4 mm | 5 | |
| Sept. 21 |  Moderate or heavy rain shower | 24° /17° | 22.9 mm | 5 | |
| Sept. 22 | Patchy rain possible | 23° /15° | 6.5 mm | 4 | |
| Sept. 23 | Patchy rain possible | 20° /15° | 0.5 mm | 5.1 | |
| Sept. 24 |  Overcast | 19° /12° | 0 mm | 4.1 | |
| Sept. 25 | Sunny | 22° /13° | 0 mm | 5.5 | |
| Sept. 26 | Sunny | 23° /14° | 0 mm | 5.4 | |
| Sept. 27 | Sunny | 24° /15° | 0 mm | 6 | |
| Sept. 28 | Sunny | 25° /17° | 0 mm | 7 | |
| Sept. 29 | Overcast | 22° /17° | 0 mm | 5 | |
| Sept. 30 | Patchy rain possible | 23° /20° | 2.8 mm | 5 | |
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Important Notice
Our weather forecast for City of Baltimore in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the City of Baltimore forecast closer to your planned date for the most up-to-date weather information.
Change Month
City of Baltimore in September - FAQ
What are the expected maximum and minimum temperatures in City of Baltimore during September?
During September, expect a variety of temperatures with highs around 25° and lows near 17°, suitable for diverse activities and preferences.
How much rainfall should be expected in City of Baltimore during September?
Significant rainfall exceeding 280.9 mm is expected in City of Baltimore during September, occurring over more than 21 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in City of Baltimore during September?
The average wind speed in City of Baltimore during September is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in City of Baltimore
Explore the daily rainfall trends and prepare for City of Baltimores September weather 💧
Typically, City of Baltimore has 21 rainy days in September with a total of 280.9 mm of rainfall.
UV exposure in City of Baltimore during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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