Namnsdagslista: september - Finland
| Land | Dag | Månad | Namn |
 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 |
