On the Intercontinental Exchange (ICE), natural gas futures available for trade in the next 12 months at Henry Hub were relatively flat in September 2014 (until the last Friday of the month) when compared to the previous month, despite the arrival of fall. The average price of Henry Hub natural gas contracts for delivery in the same period dropped in September 2014–October 2014-October 2015 contracts (represented above by the orange line) dropped by 2% to $3.93 USD/MMbtu when compared to August 2014 (represented above by the blue line). Data from ICE suggests the spread between October 2014-October 2015 contracts (represented above by the red bar) dropped by $0.06 USD/MMbtu.
For the week ending September 24, 2014, EIA’s “Natural Gas Weekly Update” reported that Henry Hub prices remained below $4/MMBtu, since overall temperatures were mild and demand was moderate.
 “Natural Gas Weekly Update—Week Ending September 24, 2014,” U.S. Energy Information Administration, September 25, 2014, accessed September 29, 2014, http://www.eia.gov/naturalgas/weekly.
Data Sources: ICE