Exports from its southern Basra terminals fell to 3.434 million bpd, down from 3.468 million bpd in August, it said.
Shipments from Iraq's northern Kirkuk oil fields to the Turkish port of Ceyhan averaged around 106,000 bpd, the statement said.
Iraq's oil deliveries to Jordan by trucks were at 7,000 barrels per day, the statement added.
The average sale price in September was $59.149 per barrel, generating about $6.345 billion in revenue, the ministry said.
Iraq is producing below its capacity of nearly 5 million bpd, in line with a production-cutting agreement between OPEC and allies such as Russia to support prices.