Montgomery County
September
Weather in Montgomery County for September 2025
Your guide to Montgomery County weather in September - trends and predictions
In general, the average temperature in Montgomery County at the beginning of September is 31.9 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 30.9 °F by the end of September.
Montgomery County sees moderate rainfall in September, averaging 6 rainy days.
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24
Dry days
6
Rainy days
0
Snow days
33°/19°
Temperatures
14 km/h
Avg max wind
61 %
Avg humidity
Montgomery County in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  33° | 2  32° | 3 33° | 4  34° | 5 31° | 6 28° | 7  32° |
| 8  33° | 9  32° | 10 33° | 11 30° | 12 30° | 13  31° | 14 29° |
| 15  28° | 16 29° | 17 32° | 18 32° | 19 32° | 20 33° | 21 32° |
| 22 32° | 23 34° | 24 34° | 25 32° | 26 27° | 27 29° | 28 30° |
| 29 32° | 30 32° |
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Temperatures trend during September in Montgomery County
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 | Moderate or heavy rain shower | 33° /21° | 13.3 mm | 8 | |
| Sept. 2 | Overcast | 32° /21° | 1.2 mm | 7 | |
| Sept. 3 | Overcast | 33° /21° | 0.5 mm | 7 | |
| Sept. 4 | Partly cloudy | 34° /21° | 0 mm | 9 | |
| Sept. 5 | Partly cloudy | 31° /20° | 18.1 mm | 8 | |
| Sept. 6 | Partly cloudy | 28° /20° | 17.3 mm | 7 | |
| Sept. 7 | Thundery outbreaks possible | 32° /20° | 0.3 mm | 7 | |
| Sept. 8 | Sunny | 33° /18° | 0 mm | 9 | |
| Sept. 9 | Cloudy | 32° /18° | 0 mm | 7 | |
| Sept. 10 | Thundery outbreaks possible | 33° /19° | 0 mm | 7 | |
| Sept. 11 | Overcast | 30° /20° | 14.8 mm | 7 | |
| Sept. 12 | Overcast | 30° /20° | 16.3 mm | 7 | |
| Sept. 13 | Mist | 31° /20° | 6.4 mm | 7 | |
| Sept. 14 | Overcast | 29° /19° | 0.8 mm | 7 | |
| Sept. 15 | Light rain shower | 28° /20° | 4.2 mm | 6 | |
| Sept. 16 | Light rain shower | 29° /19° | 4.9 mm | 7 | |
| Sept. 17 | Light rain shower | 32° /20° | 1.1 mm | 7 | |
| Sept. 18 | Sunny | 32° /18° | 0 mm | 8 | |
| Sept. 19 | Overcast | 32° /19° | 0 mm | 8 | |
| Sept. 20 | Overcast | 33° /19° | 0 mm | 8 | |
| Sept. 21 | Cloudy | 32° /20° | 0 mm | 7 | |
| Sept. 22 | Partly cloudy | 32° /20° | 0 mm | 8 | |
| Sept. 23 | Partly cloudy | 34° /20° | 0 mm | 9 | |
| Sept. 24 | Sunny | 34° /20° | 0 mm | 8 | |
| Sept. 25 | Partly cloudy | 32° /21° | 19.6 mm | 8 | |
| Sept. 26 | Overcast | 27° /20° | 46.5 mm | 6 | |
| Sept. 27 | Moderate or heavy rain shower | 29° /19° | 69.2 mm | 7 | |
| Sept. 28 | Overcast | 30° /19° | 0 mm | 7 | |
| Sept. 29 | Sunny | 32° /19° | 0 mm | 8 | |
| Sept. 30 | Overcast | 32° /19° | 0 mm | 7 | |
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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.
Montgomery County in September - FAQ
What are the expected maximum and minimum temperatures in Montgomery County during September?
Expect warm days with temperatures around 33°, cooling to mild conditions of 19° after sunset. Perfect for those who enjoy warm weather.
How much rainfall should be expected in Montgomery County during September?
Moderate rainfall is anticipated in Montgomery County during September, with a total of 61.1 mm spread over approximately 6 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Montgomery County during September?
The average wind speed in Montgomery County during September is 14 km/h, suggesting breezy to windy conditions, depending on your activities.
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