Frequently the weather in Islamabad in the course of September is 25. High average temperature is 33 with lows around 21. We have provided a clearer breakdown here:
| Month | Degrees Celsius |
|---|---|
| Temperature | 25 |
| High Temperature | 33 |
| Low Temperature | 21 |
| Sunshine Per Day | 12 |
Useful Links: Islamabad Weather: Average Weather & Yearly Climate