Click on a day for an hourly weather forecast
The temperatures in Mountain Home in September are comfortable with low of 16°C and and high up to 29°C.
You can expect about 3 to 8 days of rain in Mountain Home 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 Mountain Home in September 2024.
If you’re planning to visit Mountain Home in the near future, we highly recommend that you review the 14 day weather forecast for Mountain Home before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 7° / -2° | 5 | 21 | 5 | 107 mm | Bad | Mountain Home in January |
| February | 9° / -1° | 6 | 17 | 6 | 115 mm | Bad | Mountain Home in February |
| March | 15° / 5° | 9 | 20 | 3 | 185 mm | Bad | Mountain Home in March |
| April | 20° / 9° | 7 | 22 | 0 | 199 mm | Ok | Mountain Home in April |
| May | 26° / 14° | 10 | 21 | 0 | 221 mm | Good | Mountain Home in May |
| June | 31° / 18° | 9 | 21 | 0 | 166 mm | Ok | Mountain Home in June |
| July | 33° / 20° | 9 | 22 | 0 | 145 mm | Ok | Mountain Home in July |
| August | 32° / 19° | 8 | 23 | 0 | 133 mm | Ok | Mountain Home in August |
| September | 29° / 16° | 6 | 24 | 0 | 107 mm | Good | Mountain Home in September |
| October | 21° / 10° | 6 | 25 | 0 | 143 mm | Good | Mountain Home in October |
| November | 14° / 4° | 5 | 24 | 1 | 118 mm | Good | Mountain Home in November |
| December | 9° / 1° | 5 | 23 | 3 | 121 mm | Bad | Mountain Home in December |