Cambria County (Johnstown)
September
Weather in Cambria County, Pennsylvania for September 2026
Your guide to Cambria County weather in September - trends and predictions
So far, September 2026 in Cambria County shows a warmer trend than usual by 3.9 °F.
The forecast for the next days in Cambria County predicts temperatures to be around 23 °F, close to the historical average.
In general, the average temperature in Cambria County at the beginning of September is 24.3 °F. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 21.7 °F by the end of September.
Cambria County experiences moderate rainfall in September, with an average of 7 rainy days and a total precipitation of 217.4 mm.
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Temperatures
Rain 🌧️
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23
Dry days
7
Rainy days
0
Snow days
21°/13°
Temperatures
11 km/h
Avg max wind
78 %
Avg humidity
Cambria County Weather September
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Temperatures trend during September in Cambria County
See the weather trend as well as the moving average line
September weather in Cambria County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Overcast | 26° /14° | 0 mm | 8 | |
| Sept. 2 | Overcast | 27° /15° | 0 mm | 9 | |
| Sept. 3 | Overcast | 27° /16° | 12.3 mm | 5 | |
| Sept. 4 |  Light rain shower | 23° /16° | 12.3 mm | 5 | |
| Sept. 5 |  Fog | 25° /16° | 2.8 mm | 4 | |
| Sept. 6 |  Heavy rain | 22° /12° | 11.4 mm | 5 | |
| Sept. 7 | Fog | 20° /10° | 0 mm | 5 | |
| Sept. 8 | Overcast | 18° /6° | 0 mm | 8 | |
| Sept. 9 | Overcast | 26° /16° | 0 mm | 4.6 | |
| Sept. 10 | Light rain shower | 24° /17° | 7 mm | 1.1 | |
| Sept. 11 | Light rain shower | 24° /15° | 6.1 mm | 6.9 | |
| Sept. 12 | Light rain shower | 22° /15° | 2.5 mm | 5.4 | |
| Sept. 13 | Fog | 24° /16° | 2.6 mm | 5 | |
| Sept. 14 | Fog | 25° /20° | 0 mm | 6 | |
| Sept. 15 | Light rain shower | 25° /18° | 10.5 mm | 5 | |
| Sept. 16 | Patchy rain possible | 21° /12° | 1.6 mm | 5 | |
| Sept. 17 |  Sunny | 20° /11° | 0 mm | 6 | |
| Sept. 18 | Sunny | 24° /16° | 0 mm | 6 | |
| Sept. 19 | Fog | 21° /7° | 1.8 mm | 4 | |
| Sept. 20 | Patchy rain possible | 14° /7° | 0.4 mm | 4 | |
| Sept. 21 | Mist | 28° /10° | 1.4 mm | 7 | |
| Sept. 22 | Overcast | 21° /12° | 0.8 mm | 5 | |
| Sept. 23 | Light rain shower | 21° /16° | 89.5 mm | 2 | |
| Sept. 24 |  Moderate or heavy rain shower | 23° /16° | 74.1 mm | 1 | |
| Sept. 25 |  Light rain | 20° /16° | 6.7 mm | 2 | |
| Sept. 26 | Fog | 19° /15° | 0 mm | 2 | |
| Sept. 27 | Fog | 20° /7° | 0 mm | 1 | |
| Sept. 28 | Mist | 21° /14° | 2.4 mm | 3 | |
| Sept. 29 | Fog | 23° /13° | 0 mm | 4 | |
| Sept. 30 | Mist | 26° /12° | 0 mm | 5 | |
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Important Notice
Our weather forecast for Cambria 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 Cambria County forecast closer to your planned date for the most up-to-date weather information.
Change Month
Cambria County in September - FAQ
What are the expected maximum and minimum temperatures in Cambria County during September?
Enjoy moderate daytime temperatures of up to 21° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Cambria County during September?
Significant rainfall exceeding 217.4 mm is expected in Cambria County during September, occurring over more than 7 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Cambria County during September?
The average wind speed in Cambria County during September is 11 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Cambria County
Explore the daily rainfall trends and prepare for Cambria Countys September weather 💧
Typically, Cambria County has 7 rainy days in September with a total of 217.4 mm of rainfall.
UV exposure in Cambria County during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Where is Cambria County?Get accurate weather forecasts for Cambria County, located at latitude 40.327 and longitude -78.922. Stay updated with localized weather information tailored for Cambria County.
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