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Solar flares in September 1980
C-class197
M-class13
X-class0
LargestM8.31980-09-08
Flares per day (C and above)
M/X flares per day
Same month a year earlier
| Month | C | M | X | Largest |
|---|---|---|---|---|
| September 1979 | 104 | 30 | 3 | X0.5 |
| September 1980 | 197 | 13 | 0 | M8.3 |
Top 15 flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 1980-09-08 | 05:23 | 05:27 | 80 | M8.3 | S09W70 | 2645 |
| 1980-09-04 | 01:52 | 02:10 | 97 | M6.4 | S07W18 | 2645 |
| 1980-09-08 | 05:03 | 05:10 | 27 | M3.4 | N15E84 | 2665 |
| 1980-09-23 | 15:51 | 16:08 | 45 | M2.5 | – | – |
| 1980-09-03 | 03:53 | 04:14 | 65 | M2.4 | S07W03 | 2645 |
| 1980-09-04 | 22:14 | 22:20 | 7 | M2.2 | S09W28 | 2645 |
| 1980-09-30 | 18:00 | 18:15 | 140 | M2.2 | N19E43 | 2701 |
| 1980-09-24 | 07:28 | 07:35 | 50 | M1.6 | N18W25 | 2684 |
| 1980-09-23 | 04:39 | 04:41 | 24 | M1.3 | N20W14 | 2684 |
| 1980-09-08 | 19:10 | 19:13 | 20 | M1.2 | N12E77 | 2665 |
| 1980-09-10 | 21:48 | 22:04 | 35 | M1.1 | N11E42 | 2665 |
| 1980-09-22 | 07:39 | 07:42 | 13 | M1.1 | N10W03 | 2687 |
| 1980-09-29 | 22:21 | 22:35 | 49 | M1.0 | S17W01 | 2697 |
| 1980-09-12 | 01:58 | 02:03 | 20 | C9.6 | – | 1 |
| 1980-09-02 | 06:41 | 06:56 | 55 | C8.6 | S07E07 | 2645 |
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
210 flares of class C or larger in September 1980; by M/X count it ranks 202 of 565 months.