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Weather in City of Baltimore for September 2025

Your guide to City of Baltimore weather in September - trends and predictions
  • In general, the average temperature in City of Baltimore at the beginning of September is 29.9 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 20.4 °F by the end of September.

  • The climate of City of Baltimore in September is notably wet, with an average of 15 rainy days.

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Average dry days
15
Dry days
Average rainy days
15
Rainy days
Average snowy days
0
Snow days
Average temperatures
26°/17°
Temperatures
Average wind speed
16 km/h
Avg max wind
Average humidity
68 %
Avg humidity

City of Baltimore in September average weather

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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 day by day

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Date Weather Temperatures Rain UV More
Sept. 1 Sunny
Sunny
28° /19° 2.4 mm 7
Sept. 2 Sunny
Sunny
28° /17° 0 mm 7
Sept. 3 Sunny
Sunny
30° /16° 0 mm 8
Sept. 4 Patchy rain possible
Patchy rain possible
31° /19° 0.2 mm 7
Sept. 5 Sunny
Sunny
32° /19° 0 mm 8
Sept. 6 Sunny
Sunny
31° /21° 0.9 mm 7
Sept. 7 Patchy rain possible
Patchy rain possible
29° /20° 0.3 mm 7
Sept. 8 Partly cloudy
Partly cloudy
28° /16° 3.1 mm 7
Sept. 9 Patchy rain possible
Patchy rain possible
28° /17° 3.8 mm 7
Sept. 10 Light rain shower
Light rain shower
29° /19° 7.5 mm 7
Sept. 11 Patchy rain possible
Patchy rain possible
29° /19° 0.8 mm 7
Sept. 12 Mist
Mist
28° /19° 0 mm 7
Sept. 13 Light rain shower
Light rain shower
27° /18° 1.2 mm 6
Sept. 14 Sunny
Sunny
27° /17° 0 mm 7
Sept. 15 Sunny
Sunny
27° /15° 0 mm 7
Sept. 16 Sunny
Sunny
26° /14° 4 mm 6
Sept. 17 Heavy rain
Heavy rain
21° /16° 11.9 mm 5
Sept. 18 Light rain shower
Light rain shower
24° /16° 26.1 mm 6
Sept. 19 Sunny
Sunny
24° /15° 19.2 mm 6
Sept. 20 Partly cloudy
Partly cloudy
25° /16° 0 mm 6
Sept. 21 Overcast
Overcast
25° /18° 40.6 mm 6
Sept. 22 Patchy rain possible
Patchy rain possible
22° /16° 2.2 mm 5
Sept. 23 Heavy rain
Heavy rain
20° /15° 37.7 mm 5
Sept. 24 Light rain shower
Light rain shower
18° /16° 74.3 mm 4
Sept. 25 Patchy rain possible
Patchy rain possible
20° /16° 4.5 mm 5
Sept. 26 Patchy rain possible
Patchy rain possible
21° /18° 1.9 mm 5
Sept. 27 Overcast
Overcast
22° /17° 14.3 mm 5
Sept. 28 Overcast
Overcast
21° /15° 5.8 mm 5
Sept. 29 Moderate or heavy rain with thunder
Moderate or heavy rain with thunder
20° /17° 7.4 mm 5
Sept. 30 Patchy rain possible
Patchy rain possible
21° /16° 0.2 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.

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 26° 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 223.1 mm is expected in City of Baltimore during September, occurring over more than 15 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 💧

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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Location coordinates Where is City of Baltimore?

Get accurate weather forecasts for City of Baltimore, located at latitude 39.29 and longitude -76.612. Stay updated with localized weather information tailored for City of Baltimore.

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