Weather in Islamabad in September 2025
Average weather
Average temperature in Islamabad in September
The expected average maximum temperature in September is +34°C with a maximum of +38°C and a minimum of +18°C.
The average maximum temperature goes down 15% by the end of the month, compared with the beginning of the month, from +36°C to +33°C.
Is Islamabad warm or cold in September?
Islamabad is typically hot in September.
Maximum temperatures go down compared to the previous month from +33°C to +32°C. The minimum temperature also goes down from +24°C to +22°C.
Make sure that you pack your summer linen and swimming costumes; it’s probably going to be hot.
Take a look at how September is compared to other months in Islamabad:
Climate in Islamabad in September
| August | September | October | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +33°C | +32°C | +29°C | ||||
| Min. temperature | ||||||
| +18°C | +14°C | +9°C | ||||
| Max. temperature | ||||||
| +38°C | +38°C | +36°C | ||||
| Rainfall | ||||||
| 147 mm | 61 mm | 28 mm | ||||
| Wind | ||||||
| 1 m/s | 1 m/s | 1 m/s | ||||
| Humidity | ||||||
| 74% | 69% | 62% | ||||
| Air pressure | ||||||
| 1001 HPa | 1005 HPa | 1011 HPa | ||||
| Sunny days | ||||||
| 5 | 14 | 22 | ||||
| Cloudy days | ||||||
| 1 | 1 | 2 | ||||
| Rainy days | ||||||
| 11 | 6 | 3 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
September weather is still as good as in August. It’s getting colder in September. From +33°C in the day, the average maximum temperature lowers to +32°C. As September arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 147 mm to 61 mm. It feels drier, as humidity decreases from 74% to 69%. The average wind speed doesn’t change much during September, staying around 1 m/s. The good news is there are likely to be more sunny days in September, from 5 to 14.
But maybe it is worth considering traveling in October as the weather gets better.
Wind
The average wind speed is 1 m/s getting up to 2 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Islamabad is gradually increasing during September, going from 1 m/s to 1 m/s over the course of the month.
Rain
How was the weather last September in Islamabad?
Climate Change over Years
The climate in Islamabad in September has not changed much over the last 43 years.
The average temperature was the lowest in 1997 (+25°C) and the highest in 2022 (+29°C). The driest year was 2009 with only 473 mm of rainfall, and the wettest year was 2020 with 1632 mm.
FAQ
Is September a good time to visit Islamabad?
Can you sunbathe in Islamabad in September?
Is Islamabad rainy in September?
Is it sunny in Islamabad in September?
Other cities in Pakistan
Monthly weather in Islamabad
Source of the data
For this page, we’ve looked at the typical weather in Islamabad, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.