Name Day List: September - Finland
| Country | Day | Month | Names |
 Finland | 1 | September | Pirkka |
| Finland | 2 | September | Sini, Sinikka, Justus |
| Finland | 3 | September | Soile, Soili, Soila |
| Finland | 4 | September | Ansa |
| Finland | 5 | September | Mainio, Roni |
| Finland | 6 | September | Asko, Felix |
| Finland | 7 | September | Miro, Arho, Arhippa, Milo |
| Finland | 8 | September | Taimi |
| Finland | 9 | September | Eevert, Isto, Vertti |
| Finland | 10 | September | Kalevi, Kaleva |
| Finland | 11 | September | Santeri, Aleksanteri, Santtu, Aleksandra, Ale, Ali, Sandra |
| Finland | 12 | September | Valma, Vilja, Neo |
| Finland | 13 | September | Orvo |
| Finland | 14 | September | Iida, Iita, Isla |
| Finland | 15 | September | Sirpa |
| Finland | 16 | September | Hilla, Hellevi, Hille, Hillevi |
| Finland | 17 | September | Aila, Aili |
| Finland | 18 | September | Tytti, Tyyne, Tyyni |
| Finland | 19 | September | Reija |
| Finland | 20 | September | Varpu, Vaula |
| Finland | 21 | September | Mervi |
| Finland | 22 | September | Mauri |
| Finland | 23 | September | Mielikki, Miisa, Minja |
| Finland | 24 | September | Alvar, Auno |
| Finland | 25 | September | Kullervo |
| Finland | 26 | September | Kuisma |
| Finland | 27 | September | Vesa |
| Finland | 28 | September | Arja, Lenni, Leon |
| Finland | 29 | September | Mikko, Mika, Mikael, Miki, Mikaela, Miika, Miikka, Miko, Miska |
| Finland | 30 | September | Sirja, Sorja, Siru |
