October Nymex natural gas (NGV25) on Tuesday closed up +0.027 (+0.87%). Oct nat-gas prices on Tuesday settled higher but remained below Monday's 1-month high on forecasts for warmer late-summer US temperatures, which will boost nat-gas demand from electricity providers to power the increased air conditioning usage.  Forecaster Atmospheric G2 said Tuesday that forecasts shifted warmer over the eastern two-thirds of the US for September 14-18 and shifted warmer for much of the East and West Coast US for Sep ...