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The weather in Jackson in September is hot. The average temperatures are between 20°C and 31°C.
You can expect about 3 to 8 days of rain in Jackson during the month of September. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Jackson in September 2025.
If you’re planning to visit Jackson in the near future, we highly recommend that you review the 14 day weather forecast for Jackson before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 12° / 4° | 6 | 24 | 1 | 138 mm | Ok | Jackson in January |
| February | 15° / 6° | 6 | 21 | 1 | 139 mm | Good | Jackson in February |
| March | 20° / 10° | 7 | 23 | 1 | 157 mm | Ok | Jackson in March |
| April | 24° / 13° | 6 | 24 | 0 | 172 mm | Perfect | Jackson in April |
| May | 29° / 17° | 8 | 23 | 0 | 131 mm | Ok | Jackson in May |
| June | 33° / 21° | 9 | 21 | 0 | 132 mm | Ok | Jackson in June |
| July | 33° / 22° | 10 | 21 | 0 | 145 mm | Ok | Jackson in July |
| August | 33° / 22° | 11 | 20 | 0 | 154 mm | Ok | Jackson in August |
| September | 31° / 20° | 6 | 24 | 0 | 149 mm | Good | Jackson in September |
| October | 26° / 14° | 4 | 27 | 0 | 88 mm | Perfect | Jackson in October |
| November | 18° / 8° | 4 | 26 | 0 | 93 mm | Good | Jackson in November |
| December | 15° / 6° | 5 | 25 | 1 | 126 mm | Good | Jackson in December |