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Weather in Guilford County for September 2025

Your guide to Guilford County weather in September - trends and predictions
  • In general, the average temperature in Guilford County at the beginning of September is 30 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 25 °F by the end of September.

  • Guilford County sees moderate rainfall in September, averaging 10 rainy days.

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Average dry days
20
Dry days
Average rainy days
10
Rainy days
Average snowy days
0
Snow days
Average temperatures
28°/16°
Temperatures
Average wind speed
13 km/h
Avg max wind
Average humidity
68 %
Avg humidity

Guilford County in September average weather

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Temperatures trend during September in Guilford 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 Partly cloudy
Partly cloudy
30° /16° 4.2 mm 7
Sept. 2 Sunny
Sunny
29° /17° 0.7 mm 7
Sept. 3 Partly cloudy
Partly cloudy
29° /16° 0 mm 7
Sept. 4 Sunny
Sunny
30° /16° 0 mm 7
Sept. 5 Sunny
Sunny
32° /18° 0 mm 8
Sept. 6 Sunny
Sunny
31° /18° 0.1 mm 8
Sept. 7 Thundery outbreaks possible
Thundery outbreaks possible
29° /18° 1.3 mm 7
Sept. 8 Thundery outbreaks possible
Thundery outbreaks possible
29° /15° 14.9 mm 7
Sept. 9 Moderate or heavy rain shower
Moderate or heavy rain shower
26° /16° 27.5 mm 7
Sept. 10 Moderate or heavy rain shower
Moderate or heavy rain shower
28° /15° 4.9 mm 7
Sept. 11 Overcast
Overcast
29° /16° 0.2 mm 7
Sept. 12 Overcast
Overcast
29° /16° 0 mm 7
Sept. 13 Mist
Mist
28° /17° 0 mm 6
Sept. 14 Partly cloudy
Partly cloudy
28° /17° 0.2 mm 7
Sept. 15 Sunny
Sunny
26° /14° 0.2 mm 7
Sept. 16 Partly cloudy
Partly cloudy
24° /14° 31.7 mm 6
Sept. 17 Patchy rain possible
Patchy rain possible
23° /17° 68.5 mm 5
Sept. 18 Fog
Fog
27° /17° 40.3 mm 6
Sept. 19 Overcast
Overcast
24° /16° 8 mm 6
Sept. 20 Overcast
Overcast
29° /16° 1.2 mm 6
Sept. 21 Cloudy
Cloudy
28° /17° 2.9 mm 6
Sept. 22 Mist
Mist
27° /17° 0 mm 6
Sept. 23 Heavy rain
Heavy rain
20° /15° 25.6 mm 5
Sept. 24 Patchy rain possible
Patchy rain possible
24° /17° 3.9 mm 6
Sept. 25 Cloudy
Cloudy
27° /18° 2.4 mm 6
Sept. 26 Light drizzle
Light drizzle
23° /18° 0.2 mm 6
Sept. 27 Overcast
Overcast
23° /17° 43.4 mm 5
Sept. 28 Mist
Mist
26° /15° 0 mm 6
Sept. 29 Fog
Fog
26° /16° 5.2 mm 6
Sept. 30 Fog
Fog
26° /16° 8.2 mm 6
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Important Notice
Our weather forecast for Guilford 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 Guilford County forecast closer to your planned date for the most up-to-date weather information.

Guilford County in September - FAQ

What are the expected maximum and minimum temperatures in Guilford County during September?
During September, expect a variety of temperatures with highs around 28° and lows near 16°, suitable for diverse activities and preferences.
How much rainfall should be expected in Guilford County during September?
Significant rainfall exceeding 158.5 mm is expected in Guilford County during September, occurring over more than 10 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Guilford County during September?
The average wind speed in Guilford County during September is 13 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Guilford County

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

UV exposure in Guilford 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 Guilford County?

Get accurate weather forecasts for Guilford County, located at latitude 36.073 and longitude -79.792. Stay updated with localized weather information tailored for Guilford County.

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