AuroraMeteo

G1Peak 9 September 2025 at 21:00 UTC

Northern Lights on 9 September 2025 (Kp 5.3): Where They Were Visible

Kp reached 5.3. At that level the edge of the auroral oval reaches about 55.8° magnetic latitude, so the aurora could be seen low on the horizon down to roughly 51.3°. Activity stayed at storm level (Kp 5 or more) for 3 hours.

03579 G1 G3 Mon 8 Sept 21:00 UTC · Kp 1.33 Tue 9 Sept 00:00 UTC · Kp 3.00 Tue 9 Sept 03:00 UTC · Kp 2.33 Tue 9 Sept 06:00 UTC · Kp 2.67 Tue 9 Sept 09:00 UTC · Kp 2.00 Tue 9 Sept 12:00 UTC · Kp 2.67 Tue 9 Sept 15:00 UTC · Kp 2.00 Tue 9 Sept 18:00 UTC · Kp 3.00 Tue 9 Sept 21:00 UTC · Kp 5.33 Wed 10 Sept 00:00 UTC · Kp 4.00 Wed 10 Sept 03:00 UTC · Kp 4.00 Wed 10 Sept 06:00 UTC · Kp 0.67 Wed 10 Sept 09:00 UTC · Kp 1.67 Wed 10 Sept 12:00 UTC · Kp 2.00 Wed 10 Sept 15:00 UTC · Kp 2.00 Wed 10 Sept 18:00 UTC · Kp 1.33 Wed 10 Sept 21:00 UTC · Kp 1.33 Tue 9 SeptWed 10 Sept
Kp 0–3 Kp 4 Kp 5–6 (G1–G2) Kp 7+ (G3+) Times in UTC; faded bars are forecasts.

Three-hourly Kp from GFZ, one day either side of the storm.

Where the aurora could be seen

854 towns on our list had enough activity while it was dark there. Cloud cover is not included.

Only in photos

2,011 more towns could have caught a faint red or green glow low on the horizon with a phone or camera.

Whether the aurora was actually seen also depended on the weather. Use this as a guide to where it was possible.

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