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Islamabad in September: Weather, Average temperature and Climate

Planning a trip and want to know what the weather in Islamabad in September will be like? Take a look at our weather guide for Islamabad, based on historical data.
Check flight prices to Islamabad on Avionero:
September

Weather in Islamabad in September 2025

Good Weather
Hot
☀️
Sunny
Planning a trip to Islamabad in September? You are in luck! The weather is generally good, with an average maximum temperature of +90°F and approximately 14 sunny days. Just be prepared for some rain, as there are usually around 6 rainy days and 61 mm of precipitation. Expect good weather and pack accordingly to enjoy the outdoors. Search flights in one click on Avionero.

Average weather

☀️
+90°F
Avg. max. temperature
+57°F
Min.
+100°F
Max.
61 mm
Total precipitation
69%
Avg. humidity
1 m/s
Avg. wind
14 ☀️
Sunny Days
1 ⛅️
Cloudy
6 🌦
Rainy
Our opinion: Islamabad has good weather in September.

Average temperature in Islamabad in September

Here are the expected maximum, average and minimum temperatures in Islamabad for September based on the historical data.
Last Year
Historical Data

Going from a maximum of +100°F during the day to a minimum of +64°F during the night, the temperature in September averages around +93°F.

The average maximum temperature goes down 15% by the end of the month, compared with the beginning of the month, from +97°F to +91°F.

Is Islamabad warm or cold in September?

Islamabad is typically hot in September.

Maximum temperatures go down compared to the previous month from +91°F to +90°F. The minimum temperature also goes down from +75°F to +72°F.

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

Islamabad weather looks like this, on average, in September and the surrounding months.
AugustSeptemberOctober
Avg. temperature
+91°F+90°F+84°F
Min. temperature
+64°F+57°F+48°F
Max. temperature
+100°F+100°F+97°F
Rainfall
147 mm61 mm28 mm
Wind
1 m/s1 m/s1 m/s
Humidity
74%69%62%
Air pressure
1001 HPa1005 HPa1011 HPa
Sunny days
51422
Cloudy days
112
Rainy days
1163
Snowy days
000

September weather is still as good as in August. It’s getting colder in September. From +91°F in the day, the average maximum temperature lowers to +90°F. 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

Wind speed in Islamabad in September based on historical data.
Last Year
Historical Data

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

Amount of rainfall in mm during September in Islamabad based on historical data.
Last Year
Historical Data
Typically, there is a 37% chance of rain on an average day in September, with total rainfall of approximately 35 mm. The maximum amount of rainfall per day is around 9 mm, which is considered light rain. September is a pretty wet month with over 11 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
Here’s how September is compared with other months in the amount of precipitation, total mm:
Islamabad wettest month is July, where a typical day has a 35% chance of precipitation and 160 mm of rainfall per day. November, on the other hand, is the driest month with a mere 10% chance of precipitation and 25 mm of rainfall per day.

How was the weather last September in Islamabad?

This is the weather in Islamabad in September 2023:
1 September
☀️
+97°F
2 September
☀️
+98°F
3 September
☀️
+96°F
4 September
☀️
+98°F
5 September
☀️
+94°F
6 September
☀️
+97°F
7 September
☀️
+100°F
8 September
☀️
+99°F
9 September
☀️
+98°F
10 September
☀️
+96°F
11 September
☁️
+95°F
12 September
☀️
+98°F
13 September
☀️
+99°F
14 September
☀️
+99°F
15 September
☁️
+98°F
16 September
🌧️
+92°F
17 September
☁️
+90°F
18 September
☁️
+90°F
19 September
☀️
+91°F
20 September
☀️
+96°F
21 September
☀️
+94°F
22 September
☁️
+88°F
23 September
☀️
+87°F
24 September
☀️
+90°F
25 September
☀️
+85°F
26 September
☀️
+91°F
27 September
☀️
+92°F
28 September
☀️
+93°F
29 September
☀️
+87°F
30 September
☀️
+91°F
In September 2023 Islamabad had 24 sunny days, 5 cloudy days, and 1 rainy days. The average maximum temperature was +93°F, with an absolute maximum of +100°F and a minimum of +84°F. The average humidity was 61%, with a maximum of 100% and a minimum of 24%. The average wind speed was 1 m/s, with a maximum of 5 m/s and a minimum of 0 m/s.
Are you planning a trip in September?

Climate Change Over the Years

This is how Islamabad climate has changed over the last 43 years.

The climate in Islamabad in September has not changed that much over the last 43 years.

The average temperature was the lowest in 1997 (+78°F) and the highest in 2022 (+84°F). The driest year was 2009 with only 473 mm of rainfall, and the wettest year was 2020 with 1632 mm.

FAQ

Frequently asked questions about the weather in Islamabad in September:

Is September a good time to visit Islamabad?

September is a really good time to go to Islamabad. The weather is nice so plan your packing around outdoor activities and exploring. Check out other good time to visit Islamabad.

Can you sunbathe in Islamabad in September?

Absolutely, September is hot in Islamabad. Plan on beach and pool time, and ensure that you pack light and breathable options to stay comfortable.

Is Islamabad rainy in September?

Islamabad is often rainy in September. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Islamabad in September?

The amount of sunny days in Islamabad during September varies; prepare for a mix of clouds and sun.

Other cities in Pakistan

Check out the weather for 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.