| Month | Day | Year | City | Country | Type of Attack | Killed | Wounded | Arrests | Responsible Party |
|---|---|---|---|---|---|---|---|---|---|
| September | 1 | 2015 | Baghdad | Iraq | Bomb | 1 | 8 | ||
| September | 2 | 2015 | Bahrain | Beaten | 1 | Bahraini Authorities | |||
| September | 2 | 2015 | Lattakia | Syria | Bomb | 10 | 25 | ||
| September | 2 | 2015 | Baghdad | Iraq | Bomb | 7 | |||
| September | 3 | 2015 | Sanaa | Yemen | Bomb | 32 | 92 | ISIS | |
| September | 3 | 2015 | Tarmiya | Iraq | Bomb | 3 | 10 | ||
| September | 3 | 2015 | Baghdad | Iraq | Bomb | 8 | 18 | ||
| September | 3 | 2015 | Zafraniya | Iraq | Bomb | 5 | |||
| September | 4 | 2015 | Sadaa | Yemen | Air Strikes | Several | Saudi Coalition | ||
| September | 4 | 2015 | Baghdad | Iraq | Bomb | 9 | |||
| September | 5 | 2015 | Charsadah | Pakistan | Shooting | 1 | Sipah e Sahaba | ||
| September | 5 | 2015 | Baghdad | Iraq | Bomb | 9 | |||
| September | 6 | 2015 | Balkh | Afghanistan | Shooting | 13 | |||
| September | 6 | 2015 | Baghdad | Iraq | Combination | 6 | |||
| September | 7 | 2015 | Rashidiya | Iraq | Bomb | 1 | 7 | ||
| September | 8 | 2015 | Anbar Province | Iraq | Bomb | 2 | ISIS | ||
| September | 9 | 2015 | Baghdad | Iraq | Combination | 8 | |||
| September | 9 | 2015 | Zafraniya | Iraq | Bomb | 5 | |||
| September | 9 | 2015 | Azerbaijan | Government | |||||
| September | 9 | 2015 | Yusifiya | Iraq | Bomb | 1 | |||
| September | 10 | 2015 | Baghdad | Iraq | Combination | 10 | |||
| September | 11 | 2015 | Baghdad | Iraq | Bomb | 6 | |||
| September | 11 | 2015 | Yemen | Government | |||||
| September | 12 | 2015 | Sitra | Bahrain | Arrest | 3 | Bahrain regime forces | ||
| September | 12 | 2015 | Baghdad | Iraq | Combination | 3 | |||
| September | 13 | 2015 | Baghdad | Iraq | Combination | 8 | |||
| September | 13 | 2015 | Awamiyya | Saudi Arabia | Government | Saudi Judicial System | |||
| September | 14 | 2015 | Saudi Arabia | Government | |||||
| September | 15 | 2015 | Baghdad | Iraq | Combination | 12 | |||
| September | 16 | 2015 | Mahwit, Saada, Hajja and Thamar | Yemen | Air Strikes | 50 | |||
| September | 17 | 2015 | Baghdad | Iraq | Bomb | 12 | 27 | ||
| September | 17 | 2015 | Qatif | Saudi Arabia | Government | 1 | Saudi Judicial System | ||
| September | 18 | 2015 | Baghdad | Iraq | Combination | 4 | |||
| September | 19 | 2015 | Mahdiya | Iraq | Bomb | 1 | 4 | ||
| September | 20 | 2015 | Karachi | Pakistan | Shooting | 1 | |||
| September | 21 | 2015 | Baghdad | Iraq | Bomb | 13 | 44 | ||
| September | 22 | 2015 | al-Bakriyah | Iraq | Bomb | 1 | 6 | ||
| September | 22 | 2015 | Nardaran | Azerbaijan | Government | 1 | |||
| September | 23 | 2015 | Bahrain | Government | |||||
| September | 24 | 2015 | Baghdad | Iraq | Bomb | 8 | |||
| September | 25 | 2015 | Baghdad | Iraq | Bomb | 5 | |||
| September | 25 | 2015 | Yevlakh | Azerbaijan | Government | 1 | |||
| September | 26 | 2015 | Baghdad | Iraq | Bomb | 2 | |||
| September | 27 | 2015 | Bahrain | Government | |||||
| September | 27 | 2015 | Baghdad | Iraq | Combination | 7 | |||
| September | 28 | 2015 | Baghdad | Iraq | Bomb | 19 | |||
| September | 29 | 2015 | Baghdad | Iraq | Bomb | 7 | 3 | ||
| September | 30 | 2015 | Baghdad | Iraq | Combination | 10 |