Montgomery County (Silver Spring)
September
Weather in Montgomery County, Maryland for September 2027
Your guide to Montgomery County weather in September - trends and predictions
The climate of Montgomery County in September is notably wet, with an average of 13 rainy days, and a total of 239.3 mm of precipitation.
Is September a good time to visit Montgomery County? check out the best time to travel to Montgomery County page.
✨ Is September a good time to visit Montgomery County? – Ask the AI Weatherman
Rain 🌧️
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17
Dry days
13
Rainy days
0
Snow days
26°/18°
Temperatures
13 km/h
Avg max wind
67 %
Avg humidity
Montgomery County Weather September
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Temperatures trend during September in Montgomery County
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September weather in Montgomery County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Cloudy | 32° /20° | 0 mm | 8 | |
| Sept. 2 |  Heavy rain | 30° /21° | 36.6 mm | 7 | |
| Sept. 3 |  Light rain | 31° /19° | 8.4 mm | 7 | |
| Sept. 4 | Light rain | 33° /20° | 6.9 mm | 8 | |
| Sept. 5 | Light rain | 31° /21° | 3.4 mm | 7 | |
| Sept. 6 |  Thundery outbreaks possible | 31° /19° | 37.7 mm | 8 | |
| Sept. 7 | Light rain | 26° /16° | 6.3 mm | 7 | |
| Sept. 8 |  Sunny | 27° /14° | 0 mm | 7 | |
| Sept. 9 |  Partly cloudy | 29° /16° | 0 mm | 6 | |
| Sept. 10 |  Overcast | 28° /20° | 0.5 mm | 4 | |
| Sept. 11 | Cloudy | 26° /19° | 0.2 mm | 4 | |
| Sept. 12 | Light rain | 28° /18° | 3.2 mm | 6 | |
| Sept. 13 |  Patchy rain possible | 29° /20° | 1.7 mm | 5 | |
| Sept. 14 | Partly cloudy | 28° /20° | 0 mm | 7 | |
| Sept. 15 | Partly cloudy | 27° /17° | 0 mm | 7 | |
| Sept. 16 | Cloudy | 25° /18° | 0 mm | 6 | |
| Sept. 17 | Heavy rain | 24° /18° | 27.4 mm | 5 | |
| Sept. 18 | Light rain | 28° /20° | 3.2 mm | 6 | |
| Sept. 19 | Patchy rain possible | 30° /18° | 1.1 mm | 6.9 | |
| Sept. 20 |  Moderate rain | 25° /19° | 22.9 mm | 3 | |
| Sept. 21 | Light rain | 23° /17° | 7.8 mm | 4 | |
| Sept. 22 | Light rain | 23° /15° | 8.6 mm | 4 | |
| Sept. 23 | Thundery outbreaks possible | 24° /16° | 32.7 mm | 4 | |
| Sept. 24 | Cloudy | 24° /16° | 0 mm | 4 | |
| Sept. 25 | Moderate rain | 25° /16° | 11.6 mm | 5 | |
| Sept. 26 | Moderate rain | 21° /17° | 10.8 mm | 4 | |
| Sept. 27 | Light rain | 20° /16° | 4.3 mm | 3 | |
| Sept. 28 | Light rain | 20° /16° | 3.6 mm | 3 | |
| Sept. 29 |  Fog | 25° /17° | 0.2 mm | 4 | |
| Sept. 30 | Overcast | 26° /18° | 0 mm | 5.9 | |
| Next | |||||
Important Notice
Our weather forecast for Montgomery County 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 Montgomery County forecast closer to your planned date for the most up-to-date weather information.
Change Month
Montgomery County in September - FAQ
What are the expected maximum and minimum temperatures in Montgomery County 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 Montgomery County during September?
Significant rainfall exceeding 239.3 mm is expected in Montgomery County during September, occurring over more than 13 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Montgomery County during September?
The average wind speed in Montgomery County during September is 13 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Montgomery County
Explore the daily rainfall trends and prepare for Montgomery Countys September weather 💧
Typically, Montgomery County has 13 rainy days in September with a total of 239.3 mm of rainfall.
UV exposure in Montgomery County during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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