Geomagnetic Storms in September, 2026
4 storms ↑ MAX: Kp 5.5 ↓ MIN: Kp 0
4 storms ↑ MAX: Kp 5.5 ↓ MIN: Kp 0
In September 2026, 4 geomagnetic storms were recorded; the strongest was Kp 5.5 on September 24, 2026. The longest run of consecutive active days was 2 (7 Sep–8 Sep).
Most powerful Geomagnetic Storms in September 2026
| Date | Class | Level | Duration |
|---|---|---|---|
| September 24, 2026 | Kp 5.5 | Minor (G1) | 3 h |
| September 25, 2026 | Kp 5.4 | Minor (G1) | 4 h |
| September 7, 2026 | Kp 5 | Minor (G1) | 3 h |
| September 8, 2026 | Kp 5 | Minor (G1) | 3 h |