Moon · September 2025
Moon calendar for Knoxville, Tennessee, United States: September 2025
Daily moon phases, illumination, moonrise and moonset in Knoxville, Tennessee, United States for September 2025. Full moon: September 7, 2025. All times are shown in the local time of Knoxville, Tennessee, United States.
Full moonSunday, September 7, 2025, 3:53 PM
New moonSunday, September 21, 2025, 12:49 PM
| Day | Phase | Illumination | Moonrise | Moonset |
|---|---|---|---|---|
| 1 | Waxing Gibbous | 64% | 3:46 PM | 12:54 AM |
| 2 | Waxing Gibbous | 73% | 4:30 PM | 1:44 AM |
| 3 | Waxing Gibbous | 81% | 5:33 PM | 2:38 AM |
| 4 | Waxing Gibbous | 89% | 6:09 PM | 3:49 AM |
| 5 | Waxing Gibbous | 94% | 6:29 PM | 4:53 AM |
| 6 | Waxing Gibbous | 98% | 7:15 PM | 6:07 AM |
| 7 | Full Moon | 100% | 7:38 PM | 7:23 AM |
| 8 | Full Moon | 99% | 8:10 PM | 8:20 AM |
| 9 | Waning Gibbous | 96% | 8:27 PM | 9:33 AM |
| 10 | Waning Gibbous | 89% | 9:07 PM | 10:29 AM |
| 11 | Waning Gibbous | 81% | 9:38 PM | 11:50 AM |
| 12 | Waning Gibbous | 71% | 10:21 PM | 1:24 PM |
| 13 | Last Quarter | 60% | 11:19 PM | 2:24 PM |
| 14 | Last Quarter | 48% | — | 3:38 PM |
| 15 | Waning Crescent | 37% | 12:17 AM | 4:29 PM |
| 16 | Waning Crescent | 26% | 1:29 AM | 5:34 PM |
| 17 | Waning Crescent | 17% | 2:25 AM | 6:10 PM |
| 18 | Waning Crescent | 10% | 3:40 AM | 6:27 PM |
| 19 | Waning Crescent | 4% | 4:38 AM | 7:14 PM |
| 20 | Waning Crescent | 1% | 5:51 AM | 7:33 PM |
| 21 | New Moon | 0% | 6:49 AM | 7:46 PM |
| 22 | New Moon | 1% | 7:51 AM | 8:18 PM |
| 23 | Waxing Crescent | 4% | 8:43 AM | 8:27 PM |
| 24 | Waxing Crescent | 8% | 9:47 AM | 9:13 PM |
| 25 | Waxing Crescent | 14% | 10:38 AM | 9:35 PM |
| 26 | Waxing Crescent | 21% | 11:44 AM | 10:14 PM |
| 27 | Waxing Crescent | 29% | 12:34 PM | 10:41 PM |
| 28 | Waxing Crescent | 38% | 1:41 PM | 11:39 PM |
| 29 | First Quarter | 48% | 2:27 PM | — |
| 30 | First Quarter | 58% | 3:31 PM | 12:28 AM |
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Frequently asked questions
When is the full moon in September 2025 in Knoxville, Tennessee, United States?
The full moon peaks on Sunday, September 7, 2025, 3:53 PM (local time).
When is the new moon in September 2025?
The new moon falls on Sunday, September 21, 2025, 12:49 PM (local time) — the darkest nights of the month, best for stargazing.
Data: Meeus astronomical algorithms. How we calculate this
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