Maryland (Baltimore)
September
Weather in Maryland for September 2027
Your guide to Maryland weather in September - trends and predictions
In general, the average temperature in Maryland at the beginning of September is 29.8 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 21.5 °C by the end of September.
The climate of Maryland in September is notably wet, with an average of 12 rainy days, and a total of 259.9 mm of precipitation.
Is September a good time to visit Maryland? check out the best time to travel to Maryland page.
✨ Is September a good time to visit Maryland? – Ask the AI Weatherman
Temperatures
Rain 🌧️
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18
Dry days
12
Rainy days
0
Snow days
26°/18°
Temperatures
16 km/h
Avg max wind
69 %
Avg humidity
Maryland Weather September
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What’s the Weather Like in Maryland This September?
Discover the average temperatures and weather trends across Maryland’s cities this September.
Temperatures trend during September in Maryland
See the weather trend as well as the moving average line
September weather in Maryland day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Patchy rain possible | 30° /20° | 1.2 mm | 7 | |
| Sept. 2 |  Moderate rain | 28° /19° | 18.1 mm | 6 | |
| Sept. 3 |  Sunny | 30° /18° | 0.3 mm | 6 | |
| Sept. 4 |  Light rain | 32° /20° | 5.1 mm | 7 | |
| Sept. 5 | Light rain | 32° /21° | 4.8 mm | 8 | |
| Sept. 6 |  Heavy rain | 30° /20° | 31.2 mm | 7 | |
| Sept. 7 | Moderate rain | 28° /18° | 11 mm | 7 | |
| Sept. 8 | Patchy rain possible | 28° /15° | 1.5 mm | 7 | |
| Sept. 9 | Patchy rain possible | 28° /17° | 1.9 mm | 7 | |
| Sept. 10 | Light rain | 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 | 27° /19° | 4.5 mm | 5 | |
| Sept. 14 |  Partly cloudy | 27° /18° | 0 mm | 7 | |
| Sept. 15 | Sunny | 27° /16° | 0.7 mm | 7 | |
| Sept. 16 | Patchy rain possible | 25° /16° | 2 mm | 6 | |
| Sept. 17 | Heavy rain | 22° /17° | 15.4 mm | 5 | |
| Sept. 18 | Moderate rain | 26° /19° | 14.8 mm | 6 | |
| Sept. 19 | Light rain | 26° /16° | 9.6 mm | 6.9 | |
| Sept. 20 | Light rain | 24° /17° | 4.4 mm | 5 | |
| Sept. 21 | Moderate rain | 24° /18° | 22.9 mm | 5 | |
| Sept. 22 | Light rain | 22° /16° | 6.5 mm | 4 | |
| Sept. 23 | Heavy rain | 22° /16° | 22.1 mm | 4 | |
| Sept. 24 | Heavy rain | 21° /16° | 37.2 mm | 4 | |
| Sept. 25 | Moderate rain | 22° /16° | 12 mm | 4 | |
| Sept. 26 | Light rain | 21° /18° | 6.1 mm | 4 | |
| Sept. 27 | Moderate rain | 21° /16° | 11.6 mm | 4 | |
| Sept. 28 | Light rain | 20° /16° | 5.5 mm | 4 | |
| Sept. 29 |  Moderate or heavy rain with thunder | 22° /17° | 3.9 mm | 4 | |
| Sept. 30 |  Overcast | 23° /17° | 0.1 mm | 5 | |
| Next | |||||
Important Notice
Our weather forecast for Maryland 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 Maryland forecast closer to your planned date for the most up-to-date weather information.
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Maryland in September - FAQ
What are the expected maximum and minimum temperatures in Maryland during September?
During September, expect a variety of temperatures with highs around 26° and lows near 18°, suitable for diverse activities and preferences.
How much rainfall should be expected in Maryland during September?
Significant rainfall exceeding 259.9 mm is expected in Maryland during September, occurring over more than 12 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Maryland during September?
The average wind speed in Maryland during September is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Maryland
Explore the daily rainfall trends and prepare for Marylands September weather 💧
Typically, Maryland has 12 rainy days in September with a total of 259.9 mm of rainfall.
UV exposure in Maryland during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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