Northern lights in Yellowknife in September 2027
Short answer: The darkest, most moon-free nights are 29 Sep, 30 Sep, 28 Sep, 27 Sep, 26 Sep, 25 Sep. Nights average 7.7 hours of darkness in September.
Flat land under the oval and frequent clear skies give some of the best odds anywhere.
Wed 1 Sep to Thu 30 Sep 2027
Darkest night: Wed 29 September 2027
Dark 20:54–06:06 · 9.3 h without the moon · moon 0% lit
| Night of | Dark (sun below −12°) | Hours | Moon-free | Moon | Score |
|---|---|---|---|---|---|
| Wed 1 Sep | 22:44–04:35 | 6.0 | 6.0 | 3% | 82 |
| Thu 2 Sep | 22:40–04:38 | 6.0 | 6.0 | 9% | 82 |
| Fri 3 Sep | 22:35–04:42 | 6.2 | 6.2 | 16% | 83 |
| Sat 4 Sep | 22:31–04:46 | 6.3 | 6.3 | 24% | 84 |
| Sun 5 Sep | 22:27–04:50 | 6.5 | 6.5 | 34% | 84 |
| Mon 6 Sep | 22:22–04:53 | 6.7 | 6.7 | 44% | 85 |
| Tue 7 Sep | 22:18–04:57 | 6.7 | 6.7 | 54% | 85 |
| Wed 8 Sep | 22:14–05:00 | 6.8 | 6.8 | 64% | 86 |
| Thu 9 Sep | 22:10–05:04 | 7.0 | 6.0 | 73% | 81 |
| Fri 10 Sep | 22:06–05:07 | 7.2 | 4.3 | 81% | 70 |
| Sat 11 Sep | 22:01–05:11 | 7.2 | 2.7 | 88% | 57 |
| Sun 12 Sep | 21:57–05:14 | 7.3 | 1.3 | 93% | 46 |
| Mon 13 Sep | 21:53–05:17 | 7.5 | 0.0 | 97% | 35 |
| Tue 14 Sep | 21:49–05:21 | 7.7 | 0.0 | 99% | 35 |
| Wed 15 Sep | 21:46–05:24 | 7.7 | 0.0 | 100% | 35 |
| Thu 16 Sep | 21:42–05:27 | 7.8 | 0.0 | 98% | 36 |
| Fri 17 Sep | 21:38–05:30 | 8.0 | 0.0 | 95% | 39 |
| Sat 18 Sep | 21:34–05:33 | 8.0 | 0.0 | 90% | 42 |
| Sun 19 Sep | 21:30–05:36 | 8.2 | 0.0 | 82% | 46 |
| Mon 20 Sep | 21:26–05:39 | 8.3 | 0.0 | 73% | 52 |
| Tue 21 Sep | 21:23–05:43 | 8.3 | 0.0 | 63% | 58 |
| Wed 22 Sep | 21:19–05:46 | 8.5 | 0.0 | 52% | 65 |
| Thu 23 Sep | 21:15–05:49 | 8.7 | 1.0 | 40% | 75 |
| Fri 24 Sep | 21:12–05:51 | 8.7 | 3.0 | 29% | 84 |
| Sat 25 Sep | 21:08–05:54 | 8.8 | 5.0 | 19% | 90 |
| Sun 26 Sep | 21:04–05:57 | 9.0 | 7.0 | 10% | 94 |
| Mon 27 Sep | 21:01–06:00 | 9.0 | 8.8 | 4% | 95 |
| Tue 28 Sep | 20:57–06:03 | 9.2 | 9.2 | 1% | 96 |
| Wed 29 Sep | 20:54–06:06 | 9.3 | 9.3 | 0% | 97 |
| Thu 30 Sep | 20:50–06:09 | 9.3 | 9.3 | 2% | 97 |
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Questions
What are the best nights for the northern lights in Yellowknife in September 2027?
The darkest, most moon-free nights are 29 Sep, 30 Sep, 28 Sep, 27 Sep, 26 Sep, 25 Sep. Nights average 7.7 hours of darkness in September.
Is September a good month for the northern lights in Yellowknife?
Yes: equinox months often bring higher geomagnetic activity and milder weather. Flat land under the oval and frequent clear skies give some of the best odds anywhere.