Islamabad Weather in September
Islamabad in September averages 32°C (90°F) during the day and 21°C (70°F) at night. Keep in mind that quite a bit of rainfall is expected this month.
Rainfall in Islamabad in September
Historically, approximately 8 days this month are expected to have rain, averaging 93 mm (3.7 in). When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.
Temperature in Islamabad in September
September in Islamabad brings typical temperatures with highs around 32°C (90°F) and lows of 21°C (70°F). If you're spending a lot of time outdoors, it helps to plan around the warmer part of the day. With lows of 21°C (70°F), the nights are warm and generally comfortable.
Sunshine in Islamabad in September
Expect a lot of sunshine this month, with about 264 hours of sun. These sunny conditions add to the overall experience.If your ideal day consists of dry skies and pleasant temperatures, April, October and November typically offer the best circumstances for Islamabad.
Islamabad Temperature in September
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Chance of Rain
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Islamabad Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Islamabad - and find the best time to visit.
Daily Historical Temperatures
47-year average (1977-2025)
Based on our historical records, temperatures in Islamabad typically stay consistent throughout September, with daily highs averaging around 32°C (90°F). Nights are warm, with lows typically ranging from 19°C (66°F) to 23°C (73°F).
Average temperatures in September
Daily Historical Precipitation
47-year average (1977-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather records for Islamabad in September
Browse day-by-day weather records for Islamabad spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Islamabad historical weather extremes in September
Based on 26 years of weather observations in Islamabad between 1999 and 2025, these are the recorded extremes.
- The warmest day in September was on September 19, 1999, with a maximum of 38°C (100°F).
- On September 4, 2014, Islamabad saw its coldest September day with temperatures maxing out at 23°C (73°F).
- Islamabad registered its coldest September night on September 29, 2003, with temperatures dropping to 11°C (52°F).
Best Places in Pakistan in September
Find out more about the weather in Pakistan and which places have the best travel conditions in this month. See all of Pakistan in September →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Islamabad in September
Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.
What To Do in Islamabad in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming9/10 -
Cycling7/10 -
Walking7/10 -
Camping8/10 -
Outdoor sports7/10
Islamabad 3-Day Forecast
See the full Islamabad climate overview or explore weather in Pakistan.
Popular in September
Where to go in September - average daytime high across popular destinations.
Bahawalpur
38°C (100°F) Multan
38°C (100°F) Lahore
36°C (97°F) Rawalpindi33°C (91°F) Karachi33°C (91°F) Islamabad32°C (90°F) Murree29°C (84°F) Bhurban29°C (84°F) 
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