List of magnetic storms in September 2025
Location — Oslo (geographic coordinates — 59.92 N 10.75 E | time zone UTC+02 - summer time)
Days with magnetic storms — 5
01 September 2025 — Magnetic storm of level G2
02 September 2025 — Magnetic storm of level G2
06 September 2025 — Magnetic storm of level G1
09 September 2025 — Magnetic storm of level G1
10 September 2025 — Magnetic storm of level G1
Days with geomagnetic disturbances — 2
03 September 2025 — geomagnetic disturbances
11 September 2025 — geomagnetic disturbances
Maximum of solar activity in September 2025
Solar radio flux (10.7 cm) = 206
Mean planetary A index = 34
Mean planetary Kp index = 6