List of magnetic storms in September 2018
Location — Saint Petersburg (geographic coordinates — 59.93 N 30.32 E | time zone UTC+03)
Days with magnetic storms — 4
10 September 2018 — Magnetic storm of level G1
11 September 2018 — Magnetic storm of level G2
14 September 2018 — Magnetic storm of level G1
22 September 2018 — Magnetic storm of level G1
Days with geomagnetic disturbances — 3
05 September 2018 — geomagnetic disturbances
13 September 2018 — geomagnetic disturbances
23 September 2018 — geomagnetic disturbances
Maximum of solar activity in September 2018
Solar radio flux (10.7 cm) = 70
Mean planetary A index = 35
Mean planetary Kp index = 6