| Września County | |
| Native Name: | Powiat wrzesiński |
| Settlement Type: | County |
| Total Type: | Total |
| Mapsize: | 275px |
| Subdivision Type: | Country |
| Subdivision Type1: | Voivodeship |
| Subdivision Name1: | Greater Poland |
| Area Total Km2: | 704.19 |
| Population Total: | 76453 |
| Population Footnotes: | [1] |
| Population As Of: | 2012 |
| Population Density Km2: | auto |
| Population Rural: | 36408 |
| Population Blank1 Title: | Urban-Rural |
| Population Blank1: | 40045 |
| Coor Pinpoint: | Września |
| Coordinates: | 52.3333°N 52°W |
| Seat: | Września |
| Parts Type: | Gminas |
| Parts: | Total 5 |
| P1: | Gmina Kołaczkowo |
| P2: | Gmina Miłosław |
| P3: | Gmina Nekla |
| P4: | Gmina Pyzdry |
| P5: | Gmina Września |
| Postal Code Type: | Postal Code |
| Postal Code: | 62-300 |
| Blank Name Sec1: | Car plates |
| Blank Info Sec1: | PWR |
| Blank Name Sec2: | District Office[2] |
| Blank Info Sec2: | Powiat Wrzesiński ul. Chopin's 10 62-300 Września Poland |
Września County (Polish: powiat wrzesiński) is a unit of territorial administration and local government (powiat) in Greater Poland Voivodeship, west-central Poland. It came into being on January 1, 1999, as a result of the Polish local government reforms passed in 1998. Its administrative seat and largest town is Września; the county is administered from the district office building.
The county covers an area of 704.19km2. As of 2012 its total population is 76,453.
Września County is bordered by Gniezno County to the north, Słupca County to the east, Pleszew County and Jarocin County to the south, and Środa Wielkopolska County and Poznań County to the west.
The county is subdivided into five gminas (four urban-rural and one rural). These are listed in the following table, in descending order of population.
| Gmina | Type | Area | Population | Seat |
|---|---|---|---|---|
| Gmina Września | urban-rural | 221.8 | 45,523 | Września |
| Gmina Miłosław | urban-rural | 132.3 | 10,385 | Miłosław |
| Gmina Pyzdry | urban-rural | 137.9 | 7,240 | Pyzdry |
| Gmina Nekla | urban-rural | 96.2 | 7,191 | Nekla |
| Gmina Kołaczkowo | rural | 116.0 | 6,114 | Kołaczkowo |