🇺🇸 United States: wildfires in September 2026
Unit: archived detection events, grouped by first-detection day and a roughly 11 km cell. One physical fire can span multiple records; hotspots can also be agricultural, industrial or urban. These counts are not a census of confirmed wildfires. The archive starts on August 3, 2026; the current month is incomplete.
United States, September 2026: 508 detection events archived over the covered period using kanari thresholds. Updated 18 October at 09:38.
Busiest day: 9 September, with 42 ignitions detected. -12% compared with August 2026.
"In September 2026, kanari archived 508 detection events in United States, with 0 still active at the last update. This is not a count of distinct confirmed physical wildfires. Peak observed fire radiative power: 3506 MW."
Fire ignitions per day
Most powerful fires of the month
| Place | First detection (UTC) | Detections | MW |
|---|---|---|---|
| Verdi | 16 Sept, 17:21 | 75 | 3506 |
| Hardin | 9 Sept, 15:41 | 25 | 1418 |
| Porcupine | 4 Sept, 19:11 | 55 | 1243 |
| Yosemite Valley | 15 Sept, 20:46 | 25 | 1142 |
| Henrietta | 14 Sept, 21:32 | 126 | 1056 |
| Midpines | 1 Sept, 20:49 | 14 | 931 |
| Sonora | 15 Sept, 19:02 | 53 | 916 |
| Volcano | 8 Sept, 01:33 | 68 | 848 |
| Pascagoula | 26 Sept, 06:42 | 5 | 826 |
| Averill Park | 10 Sept, 12:49 | 1 | 815 |
Cite these figures
kanari (2026). Archived detection events, United States, September 2026: 508 records. https://kanari.io — accessed 2026-10-18.
Methodology: only significant fires are archived (corroborated by witnesses, or above detection and power thresholds); totals are not comparable to exhaustive official tallies. Full methodology and licence.
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