Warm
Average highs sit around 31°C, giving warm days by monthly-average standards.
September verdict
Very good for holiday weather
Average highs sit around 31°C, giving warm days by monthly-average standards. Sunshine averages 8.5h per day, so bright days are a strong part of the month. Rainfall averages 99mm, so some wet days are possible.

Monthly averages
Temp
31°C
Rain
99mm
Sun
8.5h
Weather score
77
Very good
Warm
Average highs sit around 31°C, giving warm days by monthly-average standards.
Showers
Rainfall averages 99mm, so some wet days are possible.
Bright
Sunshine averages 8.5h per day, so bright days are a strong part of the month.
Map
Compare Islamabad, Pakistan with nearby places by weather score, rain, sun, temperature, and swim conditions.
September31°C average high
September sits in the warmer part of the year, so midday sightseeing can feel heavier than in cooler months.
Warmest monthsMay to September
This stretch sets the upper range for average daytime heat.
September99mm average rain
September sits on the drier side of Islamabad's year, which helps with sightseeing and transfers.
Driest monthsJanuary to June and September to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
September8.5 hours average sun
September sits close to Islamabad's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsMay to June
This stretch has the strongest sunshine in the monthly averages.
September77 weather score
September scores above Islamabad's yearly average, so the overall weather mix is stronger than most months.
Best weather monthsMay and September to October
These months have the strongest weather score in the monthly averages.