Islamabad Weather in September
What's the weather like in Islamabad (Islāmābād) in September 2025?
The climate in Islamabad during September can be summarized as hot and a little damp.
September is in the fall / autumn in Islamabad and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a warm 31°C (88°F), whilst at night 19°C (66°F) is normal.
| Daytime temperature | 31.3°C 88.3°F |
|---|---|
| Nightly temperature | 18.9°C 66°F |
| Average temperature | 25.1°C 77.2°F |
| Daily sunshine | 9.3 hrs |
| Avg rainfall | 99 mm 3.9 ins |
| Rainy days | 8 days |
| Sea temperature | 22.2°C 71.9°F |
| Humidity | 61% |
| Windspeed | 3.2kph 2 mph |
On average September is the 4th wettest month of the year in Islamabad with around 99mm 3.9 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.
On the flip side this corresponds to an average of 9.3 hours of sunshine per day.
September temperatures in Islamabad
September rainfall
September hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Islamabad in September 2025.
Other monthly averages
Best places to visit in September
Islamabad weather stats
| Hottest month: | June | 36°C 96.8°F |
|---|---|---|
| Driest month: | November | 25mm 1ins |
| Sunniest month: | October | 9.6hrs |
| Coldest month: | January | 15.3°C 59.5°F |
| Wettest month: | August | 289mm 11.4ins |
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