List of magnetic storms in September 2021
Location — Adelaide (geographic coordinates — 34.92 S 138.6 E | time zone UTC+11 - summer time)
Days with magnetic storms — 1
18 September 2021 — Magnetic storm of level G1
Days with geomagnetic disturbances — 5
08 September 2021 — geomagnetic disturbances
11 September 2021 — geomagnetic disturbances
17 September 2021 — geomagnetic disturbances
22 September 2021 — geomagnetic disturbances
23 September 2021 — geomagnetic disturbances
Maximum of solar activity in September 2021
Solar radio flux (10.7 cm) = 102
Mean planetary A index = 24
Mean planetary Kp index = 5