Revenue for the month amounted to $3.8m, up from $2.3m in September of 2020 and also 136.3% higher than $1.6m August of this year.
Mobile sports betting accounted for $3.2m of all revenue in September, while the remaining $548,552 was generated at retail sportsbooks across the state.
In terms of handle, this reached a $68.1m, comfortably surpassing the previous monthly-high of $60.0m set in January this year.
Players wagered $50.5m on mobile during the month, as well as $17.7m at retail locations.