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Solar flares in September 2022
C-class291
M-class14
X-class0
LargestM7.92022-09-16
Sunspot number82.2NOAA SWPC
Flares per day (C and above)
M/X flares per day
Same month a year earlier
| Month | C | M | X | Largest |
|---|---|---|---|---|
| September 2021 | 32 | 1 | 0 | M1.8 |
| September 2022 | 291 | 14 | 0 | M7.9 |
Top 15 flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 2022-09-16 | 09:44 | 09:49 | 11 | M7.9 | – | – |
| 2022-09-16 | 15:49 | 15:59 | 22 | M6.2 | – | – |
| 2022-09-30 | 16:11 | 16:22 | 21 | M2.9 | – | – |
| 2022-09-17 | 20:32 | 20:41 | 19 | M2.6 | – | – |
| 2022-09-17 | 13:21 | 13:39 | 31 | M1.9 | – | – |
| 2022-09-12 | 23:37 | 23:44 | 10 | M1.7 | – | – |
| 2022-09-23 | 17:48 | 18:10 | 52 | M1.7 | – | – |
| 2022-09-30 | 17:30 | 17:34 | 14 | M1.3 | – | – |
| 2022-09-05 | 17:58 | 18:05 | 15 | M1.1 | – | – |
| 2022-09-14 | 09:41 | 10:19 | 61 | M1.1 | – | – |
| 2022-09-17 | 12:42 | 13:19 | – | M1.0 | – | – |
| 2022-09-20 | 11:13 | 11:22 | 20 | M1.0 | – | – |
| 2022-09-21 | 06:51 | 07:02 | 25 | M1.0 | – | – |
| 2022-09-30 | 03:46 | 04:01 | – | M1.0 | – | – |
| 2022-09-13 | 15:07 | 15:16 | 20 | C9.2 | – | – |
All times UTC. Until June 2017 classes are NOAA's reports of the time (GOES-15 and earlier included a 0.7 scaling factor); later classes come from calibrated GOES-16/18 data, so the same flare reads about 1.4× larger. Do not compare the two periods directly.
About this page
305 flares of class C or larger in September 2022; by M/X count it ranks 199 of 565 months.