Henry Hub monthly natgas prices average two-year low in September
UNG•U.S. spot natural gas at the Henry Hub averaged $2.95 per mmBtu in September, its lowest September average since 2024. That compared with $3.02 in September 2025 and a five-year September average of $4.20.
1. September prices
Henry Hub spot natural gas averaged $2.95 per million British thermal units in September, down from $3.02 in September 2025 and below the 2021-2025 September average of $4.20.
2. Annual averages
Henry Hub averaged $3.53 per mmBtu in 2025, up from $2.19 in 2024 and below the five-year average of $3.72.


