{"destination_name":"Sea Island","destination_slug":"sea-island","month_name":"September","month_num":9,"buckets":[{"half":1,"half_label":"Early September","pct_clear":26,"avg_high_f":84,"n_days":120},{"half":2,"half_label":"Late September","pct_clear":37,"avg_high_f":82,"n_days":120}],"month_pct_clear":32,"avg_high_f":83,"total_n":240,"source":"Open-Meteo ERA5 archive-api, 8 full years (2018–2025), daily temperature_2m_max / precipitation_sum / weathercode","temporal_coverage":"2018/2025","note":"Historical averages only. Not a forecast.","page_url":"https://sunnydays.thedigitalcarpenter.com/destinations/sea-island/september","month_hub_url":"https://sunnydays.thedigitalcarpenter.com/warm-in/september"}