Amelia Island Weather Forecast
- 76
- 89
Chance Thunderstorms
- 75
- 90
Rain Showers Likely
- 75
- 85
Rain Showers
- 76
- 84
Rain Showers Likely
- 75
- 84
Chance Thunderstorms
- 74
- 86
Slight Chance Thunderstorms
Today 5 Sep Coastal Nassau
Mostly sunny. A chance of Showers and Thunderstorms in the afternoon. Highs in the lower 90s. Southwest Winds around 5 Mph. Chance of rain 30 percent.
Tonight 5 Sep Coastal Nassau
Mostly cloudy. Lows in the mid 70s. Southwest Winds around 5 Mph.
Amelia Island Temperature Statistics
September Temperature
Fernandina Beach Municipal Airport (1.9 miles)
Lowest 1 September, 2026
77 °FAverage September
82.2 °FHighest 1 September, 2026
87.8 °F
Climate (2021–2026)
Fernandina Beach Municipal Airport (1.9 miles)
Average Low 2021–2026
62.7 °FAverage 2021–2026
70.1 °FAverage High 2021–2026
78.3 °F