Currently: 51 °F. Sunny. (Weather station: Rexburg-Madison County Airport, USA). See more current weatherSeptember 2018 Weather in Yellowstone National Park — Graph
High & Low Weather Summary for September 2018
| Temperature | Humidity | Pressure | |
|---|---|---|---|
| High | 87 °F (Sep 6, 3:53 pm) | 80% (Sep 2, 6:53 am) | 30.35 "Hg (Sep 2, 6:53 am) |
| Low | 28 °F (Sep 25, 7:53 am) | 9% (Sep 17, 3:53 pm) | 29.66 "Hg (Sep 15, 5:53 pm) |
| Average | 59 °F | 38% | 29.95 "Hg |
| * Reported Sep 1 12:53 am — Sep 30 11:53 pm, Yellowstone National Park. 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
Yellowstone National Park Weather History for September 1, 2018
Scroll right to see more
| Conditions | Comfort | |||||||
|---|---|---|---|---|---|---|---|---|
| Time | Temp | Weather | Wind | Humidity | Barometer | Visibility | ||
| 12:53 am Sat, Sep 1 |  | 62 °F | Clear. | 10 mph | ↑ | 37% | 29.89 "Hg | 10 mi |
| 1:53 am | | 60 °F | Clear. | 9 mph | ↑ | 41% | 29.89 "Hg | 10 mi |
| 2:53 am | | 58 °F | Clear. | 10 mph | ↑ | 44% | 29.88 "Hg | 10 mi |
| 3:53 am | | 58 °F | Clear. | 5 mph | ↑ | 43% | 29.89 "Hg | 10 mi |
| 4:53 am | | 54 °F | Clear. | 10 mph | ↑ | 51% | 29.89 "Hg | 10 mi |
| 5:53 am | | 54 °F | Clear. | 12 mph | ↑ | 51% | 29.90 "Hg | 10 mi |
| 6:53 am | | 51 °F | Clear. | 8 mph | ↑ | 59% | 29.93 "Hg | 10 mi |
| 7:53 am | | 53 °F | Sunny. | 12 mph | ↑ | 55% | 29.96 "Hg | 10 mi |
| 8:53 am | | 57 °F | Sunny. | 13 mph | ↑ | 46% | 29.97 "Hg | 10 mi |
| 9:53 am | | 60 °F | Sunny. | 15 mph | ↑ | 41% | 29.97 "Hg | 10 mi |
| 10:53 am | | 64 °F | Sunny. | 10 mph | ↑ | 34% | 29.96 "Hg | 10 mi |
| 11:53 am | | 67 °F | Sunny. | 10 mph | ↑ | 31% | 29.96 "Hg | 10 mi |
| 12:53 pm | | 70 °F | Sunny. | 12 mph | ↑ | 22% | 29.94 "Hg | 10 mi |
| 1:53 pm | | 71 °F | Sunny. | 15 mph | ↑ | 22% | 29.93 "Hg | 10 mi |
| 2:53 pm | | 72 °F | Sunny. | 13 mph | ↑ | 23% | 29.92 "Hg | 10 mi |
| 3:53 pm | | 75 °F | Sunny. | 8 mph | ↑ | 21% | 29.90 "Hg | 10 mi |
| 4:53 pm | | 76 °F | Sunny. | 12 mph | ↑ | 16% | 29.89 "Hg | 10 mi |
| 5:53 pm | | 76 °F | Sunny. | 12 mph | ↑ | 17% | 29.88 "Hg | 10 mi |
| 6:53 pm | | 74 °F | Sunny. | 10 mph | ↑ | 20% | 29.87 "Hg | 10 mi |
| 7:53 pm |  | 69 °F | Light rain. Sunny. | 7 mph | ↑ | 27% | 29.89 "Hg | 10 mi |
| 8:53 pm | | 67 °F | Sunny. | 8 mph | ↑ | 26% | 29.90 "Hg | 10 mi |
| 9:53 pm | | 64 °F | Clear. | 6 mph | ↑ | 29% | 29.92 "Hg | 10 mi |
| 10:53 pm | | 64 °F | Clear. | 7 mph | ↑ | 28% | 29.92 "Hg | 10 mi |
| 11:53 pm | | 57 °F | Clear. | No wind | ↑ | 42% | 29.94 "Hg | 10 mi |
| Weather by CustomWeather, © 2024 | ||||||||