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Solar flares in September 1983
C-class44
M-class2
X-class0
LargestM2.01983-09-02
Flares per day (C and above)
M/X flares per day
Same month a year earlier
| Month | C | M | X | Largest |
|---|---|---|---|---|
| September 1982 | 235 | 7 | 0 | M6.4 |
| September 1983 | 44 | 2 | 0 | M2.0 |
Top 15 flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 1983-09-02 | 22:55 | 22:57 | 18 | M2.0 | S08W83 | 4302 |
| 1983-09-10 | 16:11 | 16:27 | 128 | M1.0 | S11W30 | 4307 |
| 1983-09-15 | 14:13 | 14:14 | 40 | C9.3 | S13E15 | 4317 |
| 1983-09-29 | 07:08 | 07:11 | 6 | C6.7 | – | – |
| 1983-09-02 | 16:05 | 16:07 | 12 | C6.0 | S05W78 | 4302 |
| 1983-09-05 | 20:07 | 20:09 | 13 | C5.0 | S22W81 | 4296 |
| 1983-09-23 | 18:06 | 18:07 | 26 | C4.3 | S21E61 | 4324 |
| 1983-09-21 | 01:44 | 01:55 | 21 | C3.4 | – | – |
| 1983-09-20 | 12:52 | 14:40 | 108 | C3.1 | – | – |
| 1983-09-05 | 15:36 | 15:41 | 11 | C2.6 | – | – |
| 1983-09-05 | 03:01 | 03:04 | 5 | C2.5 | – | – |
| 1983-09-15 | 04:52 | 04:53 | 11 | C2.4 | S11E21 | 4317 |
| 1983-09-03 | 22:28 | 22:52 | 54 | C2.2 | – | – |
| 1983-09-05 | 05:54 | 05:58 | 10 | C1.8 | – | – |
| 1983-09-14 | 09:35 | 09:38 | 33 | C1.8 | S11E32 | 4317 |
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
46 flares of class C or larger in September 1983; by M/X count it ranks 379 of 565 months.