Currently: 67 °F. Passing clouds. (Weather station: Allegheny County Airport, USA). See more current weatherSeptember 2020 Weather in Allegheny County — Graph
High & Low Weather Summary for September 2020
| Temperature | Humidity | Pressure | |
|---|---|---|---|
| High | 86 °F (Sep 10, 3:53 pm) | 100% (Sep 3, 6:53 am) | 30.56 "Hg (Sep 3, 6:53 am) |
| Low | 40 °F (Sep 22, 8:01 am) | 31% (Sep 19, 4:53 pm) | 29.71 "Hg (Sep 28, 7:53 pm) |
| Average | 65 °F | 73% | 30.08 "Hg |
| * Reported Sep 1 12:53 am — Sep 30 11:53 pm, Allegheny County. Weather by CustomWeather, © 2024 | |||
Note: Actual official high and low records may vary slightly from our data, if they occured in-between our weather recording intervals... More about our weather records
Allegheny County Weather History for September 1, 2020
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| Conditions | Comfort | |||||||
|---|---|---|---|---|---|---|---|---|
| Time | Temp | Weather | Wind | Humidity | Barometer | Visibility | ||
| 12:53 am Tue, Sep 1 |  | 69 °F | Mostly cloudy. | 7 mph | ↑ | 79% | 29.94 "Hg | 10 mi |
| 1:53 am | | 68 °F | Overcast. | 3 mph | ↑ | 84% | 29.96 "Hg | 10 mi |
| 3:01 am | | 68 °F | Mostly cloudy. | 6 mph | ↑ | 84% | 29.96 "Hg | 10 mi |
| 3:31 am | | 68 °F | Overcast. | 3 mph | ↑ | 84% | 29.97 "Hg | 10 mi |
| 3:53 am | | 68 °F | Mostly cloudy. | 5 mph | ↑ | 84% | 29.95 "Hg | 10 mi |
| 4:53 am | | 67 °F | Mostly cloudy. | 5 mph | ↑ | 87% | 29.95 "Hg | 10 mi |
| 5:14 am | | 67 °F | Mostly cloudy. | 3 mph | ↑ | 87% | 29.96 "Hg | 10 mi |
| 5:53 am | | 67 °F | Overcast. | 5 mph | ↑ | 87% | 29.96 "Hg | 10 mi |
| 6:53 am |  | 67 °F | Mostly cloudy. | 3 mph | ↑ | 90% | 29.97 "Hg | 10 mi |
| 7:53 am |  | 68 °F | Overcast. | 3 mph | ↑ | 87% | 29.98 "Hg | 10 mi |
| 8:22 am | | 68 °F | More clouds than sun. | 3 mph | ↑ | 87% | 30.00 "Hg | 10 mi |
| 8:42 am | | 69 °F | Mostly cloudy. | 3 mph | ↑ | 84% | 30.00 "Hg | 10 mi |
| 8:53 am | | 69 °F | Overcast. | 6 mph | ↑ | 84% | 29.99 "Hg | 10 mi |
| 9:53 am | | 71 °F | Overcast. | 7 mph | ↑ | 81% | 30.01 "Hg | 10 mi |
| 10:53 am | | 74 °F | Mostly cloudy. | 6 mph | ↑ | 76% | 30.01 "Hg | 10 mi |
| 11:16 am | | 76 °F | Overcast. | 6 mph | ↑ | 74% | 30.01 "Hg | 10 mi |
| 11:53 am |  | 77 °F | Scattered clouds. | 8 mph | ↑ | 74% | 29.99 "Hg | 10 mi |
| 12:34 pm | | 78 °F | Partly sunny. | 7 mph | ↑ | 74% | 29.99 "Hg | 10 mi |
| 12:53 pm | | 79 °F | Partly sunny. | 9 mph | ↑ | 72% | 29.97 "Hg | 10 mi |
| 1:13 pm | | 78 °F | Broken clouds. | 9 mph | ↑ | 74% | 29.99 "Hg | 10 mi |
| 1:53 pm | | 79 °F | Overcast. | 9 mph | ↑ | 72% | 29.97 "Hg | 10 mi |
| 2:53 pm | | 81 °F | Overcast. | 7 mph | ↑ | 67% | 29.96 "Hg | 10 mi |
| 3:53 pm | | 81 °F | Broken clouds. | 9 mph | ↑ | 67% | 29.94 "Hg | 10 mi |
| 4:53 pm | | 83 °F | Scattered clouds. | 6 mph | ↑ | 65% | 29.93 "Hg | 10 mi |
| 5:53 pm | | 82 °F | Passing clouds. | 3 mph | ↑ | 65% | 29.93 "Hg | 10 mi |
| 6:53 pm |  | 80 °F | Sunny. | 5 mph | ↑ | 69% | 29.92 "Hg | 10 mi |
| 7:53 pm |  | 79 °F | Clear. | 5 mph | ↑ | 72% | 29.93 "Hg | 10 mi |
| 8:53 pm | | 77 °F | Clear. | 8 mph | ↑ | 77% | 29.93 "Hg | 10 mi |
| 9:53 pm |  | 74 °F | Light rain. Passing clouds. | 9 mph | ↑ | 82% | 29.94 "Hg | 9 mi |
| 10:53 pm | | 71 °F | Mostly cloudy. | 7 mph | ↑ | 93% | 29.94 "Hg | 10 mi |
| 11:53 pm |  | 71 °F | Partly cloudy. | 3 mph | ↑ | 93% | 29.93 "Hg | 10 mi |
| Weather by CustomWeather, © 2024 | ||||||||