Cameron County (Brownsville)
September
Weather in Cameron County for September 2025
Your guide to Cameron County weather in September - trends and predictions
In general, the average temperature in Cameron County at the beginning of September is 34.4 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 33.6 °F by the end of September.
The climate of Cameron County in September is notably wet, with an average of 13 rainy days, and a total of 93.4 mm of precipitation.
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Temperatures
Rain 🌧️
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17
Dry days
13
Rainy days
0
Snow days
34°/26°
Temperatures
24 km/h
Avg max wind
71 %
Avg humidity
Cameron County in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  36° | 2  34° | 3 35° | 4 34° | 5  34° | 6  35° | 7 33° |
| 8  32° | 9 33° | 10 31° | 11 34° | 12 34° | 13 34° | 14 35° |
| 15 34° | 16  33° | 17 33° | 18 35° | 19  33° | 20 33° | 21 35° |
| 22 34° | 23 34° | 24 35° | 25 33° | 26 32° | 27 34° | 28 34° |
| 29 34° | 30 33° |
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Temperatures trend during September in Cameron County
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September weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 | Mist | 36° /26° | 0.7 mm | 8 | |
| Sept. 2 | Cloudy | 34° /25° | 2.3 mm | 8 | |
| Sept. 3 | Mist | 35° /25° | 6.7 mm | 8 | |
| Sept. 4 | Mist | 34° /26° | 16.9 mm | 8 | |
| Sept. 5 | Overcast | 34° /26° | 2.3 mm | 8 | |
| Sept. 6 | Patchy rain possible | 35° /26° | 2.6 mm | 8 | |
| Sept. 7 | Cloudy | 33° /26° | 0.1 mm | 7 | |
| Sept. 8 | Partly cloudy | 32° /26° | 9.8 mm | 8 | |
| Sept. 9 | Cloudy | 33° /25° | 0.9 mm | 7 | |
| Sept. 10 | Patchy rain possible | 31° /25° | 36.9 mm | 7 | |
| Sept. 11 | Overcast | 34° /25° | 0.1 mm | 8 | |
| Sept. 12 | Partly cloudy | 34° /24° | 0.4 mm | 8 | |
| Sept. 13 | Partly cloudy | 34° /26° | 0 mm | 8 | |
| Sept. 14 | Partly cloudy | 35° /26° | 0 mm | 8 | |
| Sept. 15 | Cloudy | 34° /27° | 2.3 mm | 8 | |
| Sept. 16 | Thundery outbreaks possible | 33° /26° | 2.8 mm | 8 | |
| Sept. 17 | Light rain shower | 33° /25° | 3.3 mm | 7 | |
| Sept. 18 | Patchy rain possible | 35° /24° | 1.1 mm | 8 | |
| Sept. 19 | Moderate rain at times | 33° /25° | 2.2 mm | 7 | |
| Sept. 20 | Partly cloudy | 33° /25° | 0 mm | 8 | |
| Sept. 21 | Patchy rain possible | 35° /25° | 0 mm | 8 | |
| Sept. 22 | Partly cloudy | 34° /25° | 0.1 mm | 8 | |
| Sept. 23 | Overcast | 34° /26° | 0 mm | 7 | |
| Sept. 24 | Patchy rain possible | 35° /26° | 0.1 mm | 8 | |
| Sept. 25 | Cloudy | 33° /26° | 0 mm | 8 | |
| Sept. 26 | Cloudy | 32° /25° | 0 mm | 7 | |
| Sept. 27 | Patchy rain possible | 34° /22° | 0.9 mm | 7 | |
| Sept. 28 | Patchy rain possible | 34° /24° | 0 mm | 8 | |
| Sept. 29 | Patchy rain possible | 34° /24° | 0.1 mm | 8 | |
| Sept. 30 | Light rain shower | 33° /25° | 0.6 mm | 7 | |
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Important Notice
Our weather forecast for Cameron 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 Cameron County forecast closer to your planned date for the most up-to-date weather information.
Cameron County in September - FAQ
What are the expected maximum and minimum temperatures in Cameron County during September?
During September, expect a variety of temperatures with highs around 34° and lows near 26°, suitable for diverse activities and preferences.
How much rainfall should be expected in Cameron County during September?
Moderate rainfall is anticipated in Cameron County during September, with a total of 93.4 mm spread over approximately 13 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Cameron County during September?
The average wind speed in Cameron County during September is 24 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Cameron County
Explore the daily rainfall trends and prepare for Cameron Countys September weather 💧
UV exposure in Cameron County during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Where is Cameron County?Get accurate weather forecasts for Cameron County, located at latitude 25.902 and longitude -97.497. Stay updated with localized weather information tailored for Cameron County.
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