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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 30.6 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 26.1 °F by the end of September.

  • Montgomery County sees moderate rainfall in September, averaging 8 rainy days.

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Average dry days
22
Dry days
Average rainy days
8
Rainy days
Average snowy days
0
Snow days
Average temperatures
30°/16°
Temperatures
Average wind speed
14 km/h
Avg max wind
Average humidity
63 %
Avg humidity

Montgomery County in September average weather

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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 Overcast
Overcast
29° /17° 3 mm 6
Sept. 2 Cloudy
Cloudy
32° /17° 0 mm 8
Sept. 3 Fog
Fog
31° /16° 0 mm 7
Sept. 4 Partly cloudy
Partly cloudy
30° /21° 0 mm 7
Sept. 5 Moderate or heavy rain shower
Moderate or heavy rain shower
31° /20° 4.1 mm 7
Sept. 6 Patchy light rain with thunder
Patchy light rain with thunder
34° /19° 7.2 mm 8
Sept. 7 Partly cloudy
Partly cloudy
27° /15° 1 mm 7
Sept. 8 Cloudy
Cloudy
27° /11° 0 mm 6
Sept. 9 Overcast
Overcast
29° /13° 0 mm 7
Sept. 10 Mist
Mist
31° /15° 0 mm 7
Sept. 11 Cloudy
Cloudy
32° /17° 0 mm 8
Sept. 12 Moderate rain
Moderate rain
26° /17° 15.6 mm 6
Sept. 13 Fog
Fog
25° /16° 4.7 mm 6
Sept. 14 Overcast
Overcast
25° /15° 4.7 mm 6
Sept. 15 Sunny
Sunny
29° /15° 0 mm 7
Sept. 16 Patchy rain possible
Patchy rain possible
30° /15° 0.1 mm 7
Sept. 17 Fog
Fog
29° /13° 0 mm 7
Sept. 18 Partly cloudy
Partly cloudy
28° /14° 0 mm 7
Sept. 19 Overcast
Overcast
29° /16° 0 mm 7
Sept. 20 Overcast
Overcast
31° /16° 0 mm 7
Sept. 21 Overcast
Overcast
32° /19° 0 mm 7
Sept. 22 Partly cloudy
Partly cloudy
32° /20° 1.7 mm 8
Sept. 23 Sunny
Sunny
30° /19° 3.6 mm 7
Sept. 24 Fog
Fog
28° /16° 15.8 mm 7
Sept. 25 Patchy rain possible
Patchy rain possible
24° /16° 0 mm 6
Sept. 26 Patchy light drizzle
Patchy light drizzle
26° /15° 4.3 mm 6
Sept. 27 Thundery outbreaks possible
Thundery outbreaks possible
26° /17° 112.5 mm 6
Sept. 28 Thundery outbreaks possible
Thundery outbreaks possible
25° /17° 28.1 mm 6
Sept. 29 Moderate rain at times
Moderate rain at times
26° /17° 2.6 mm 6
Sept. 30 Fog
Fog
28° /17° 0.6 mm 6
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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 30°, cooling to mild conditions of 16° after sunset. Perfect for those who enjoy warm weather.
How much rainfall should be expected in Montgomery County during September?
In September, Montgomery County can expect light to moderate rainfall, totaling 41.6 mm across approximately 8 days. Occasional showers are possible, and planning ahead for them could be helpful.
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.

September rainfall patterns in Montgomery County

Explore the daily rainfall trends and prepare for Montgomery Countys September weather 💧

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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Location coordinates Where is Montgomery County?

Get accurate weather forecasts for Montgomery County, located at latitude 36.53 and longitude -87.359. Stay updated with localized weather information tailored for Montgomery County.

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