Mount Vernon Weather Forecast
- 74
- 96
Mostly Sunny
- 75
- 97
Slight Chance Thunderstorms
- 76
- 99
Hot
- 75
- 100
Hot
- 75
- 99
Hot
- 75
- 98
Hot
Today 4 Sep Franklin
Mostly sunny. Hot with Highs in the mid 90s. South Winds around 5 Mph.
Tonight 4 Sep Franklin
Clear. Lows in the lower 70s. Light and variable Winds.
Mount Vernon Temperature Statistics
September Temperature
Mount Pleasant, Mount Pleasant Regional Airport (16.2 miles)
Lowest 1 September, 2026
71.6 °FAverage September
86.5 °FHighest 1 September, 2026
99.1 °F
Climate (2021–2026)
Mount Pleasant, Mount Pleasant Regional Airport (16.2 miles)
Average Low 2021–2026
55.1 °FAverage 2021–2026
65.8 °FAverage High 2021–2026
77.2 °F