Click on a day for an hourly weather forecast
The temperatures in Meridian in September are comfortable with low of 12°C and and high up to 26°C.
The wather in Meridian in September can vary between cold and nice weather days. Expect a few rainy days but usually not more than 3.
Our weather forecast can give you a great sense of what weather to expect in Meridian in September 2025.
If you’re planning to visit Meridian in the near future, we highly recommend that you review the 14 day weather forecast for Meridian before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 3° / -4° | 7 | 14 | 10 | 94 mm | Awful | Meridian in January |
| February | 5° / -2° | 8 | 11 | 9 | 81 mm | Awful | Meridian in February |
| March | 10° / 1° | 8 | 19 | 4 | 104 mm | Awful | Meridian in March |
| April | 15° / 4° | 6 | 23 | 1 | 60 mm | Good | Meridian in April |
| May | 20° / 8° | 5 | 26 | 0 | 55 mm | Good | Meridian in May |
| June | 26° / 12° | 3 | 27 | 0 | 39 mm | Perfect | Meridian in June |
| July | 33° / 16° | 0 | 31 | 0 | 11 mm | Good | Meridian in July |
| August | 32° / 16° | 1 | 30 | 0 | 13 mm | Good | Meridian in August |
| September | 26° / 12° | 1 | 29 | 0 | 23 mm | Perfect | Meridian in September |
| October | 17° / 6° | 4 | 27 | 0 | 52 mm | Good | Meridian in October |
| November | 9° / 1° | 5 | 21 | 4 | 65 mm | Bad | Meridian in November |
| December | 2° / -4° | 8 | 13 | 11 | 101 mm | Awful | Meridian in December |