September weather forecast
Islamabad, Pakistan

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The mighty landmark of the Pakistan Monument in Islamabad, Pakistan
The mighty landmark of the Pakistan Monument in Islamabad, Pakistan

Weather in September

September in Islamabad is defined by the gradual reduction in rains and slight cooling down of temperatures. The transition from monsoon to post-monsoon is evident from the reducing rainfall and cloud cover. Dryer weather allows for more hours of sunshine, lighting up the city in the warm glow. The consistent wind provides relief from the warming temperatures. September serves as the curtain call for Islamabad's monsoon season.

Temperature

An average high-temperature of a tropical 33.8°C (92.8°F) marks September, exhibiting a close resemblance to the conditions in August. September in Islamabad generally records an average low-temperature of 23.1°C (73.6°F).

Heat index

In September, the heat index is calculated to be a fiery hot 36°C (96.8°F). Exercise more precautions, heat cramps and heat exhaustion are potential risks. Continuous activity could precipitate heatstroke.
Realize that the values for the heat index are set for shaded places and light winds. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'real feel', melds the effects of warmth and moisture to generate a feeling of heat. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. It is noteworthy to mention that direct sunlight exposure can augment the felt temperature, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Children often miss understanding the importance of rest and rehydration. Thirst usually appears late during dehydration - therefore, maintaining hydration, particularly during long physical activities, is essential.
The physiological response of the human body to excess warmth is to perspire, thereby cooling itself through sweat evaporation. When there is abundant moisture in the air, the body's cooling through the evaporation process becomes less effective, leading to the sensation of overheating. If the body retains more heat than it can expel, the increasing temperature can lead to heat-related conditions.

Humidity

In September, the average relative humidity is 45%.

Rainfall

In Islamabad, in September, it is raining for 10.5 days, with typically 45mm (1.77") of accumulated precipitation. Throughout the year, there are 119.8 rainfall days, and 524mm (20.63") of precipitation is accumulated.

Daylight

In September, the average length of the day in Islamabad is 12h and 23min.
On the first day of the month, sunrise is at 5:41 am and sunset at 6:33 pm. On the last day of September, sunrise is at 6:01 am and sunset at 5:53 pm PKT.

Sunshine

The average sunshine in September is 11.2h.

UV index

The average daily maximum UV index in September in Islamabad is 7. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for the average person.
Note: A maximum daily UV index of 7 during September morphs into the following directions:
Guard against overexposure. Protection from sun-induced harm is essential. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.

Frequently asked questions

How hot is it in Islamabad in September?

The high-temperature, in September, in Islamabad, is 33.8°C (92.8°F), while the low-temperature averages to 23.1°C (73.6°F). In September, the average heat index (a.k.a. 'feels like', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is calculated to be 36°C (96.8°F).

What is the average humidity in September in Islamabad?

In Islamabad, the average relative humidity in September is 45%.

How much does it rain in Islamabad in September?

In Islamabad, Pakistan, in September, during 10.5 rainfall days, 45mm (1.77") of precipitation is typically accumulated.

How many hours of daylight does Islamabad have in September?

In September, the average day length in Islamabad is 12h and 23min.

What time are sunrise and sunset in September in Islamabad?

On the first day of September, sunrise is at 5:41 am and sunset at 6:33 pm. On the last day of the month, sunrise is at 6:01 am and sunset at 5:53 pm PKT.

How many hours of sunshine does Islamabad have in September?

The average sunshine duration in September in Islamabad is 11.2h.

What is the UV index intensity in September in Islamabad?

In Islamabad, the average daily maximum UV index in September is 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to Sun's UV rays.

Average temperature in September
Islamabad, Pakistan

Average temperature in September - Islamabad, Pakistan
  • Average high temperature in September: 33.8°C

The warmest month (with the highest average high temperature) is June (39.1°C).
The month with the lowest average high temperature is January (17.6°C).

  • Average low temperature in September: 23.1°C

The month with the highest average low temperature is July (28.1°C).
The coldest month (with the lowest average low temperature) is January (7.1°C).

Average pressure in September
Islamabad, Pakistan

Average pressure in September - Islamabad, Pakistan
  • Average pressure in September: 1005.8mbar

The month with the highest atmospheric pressure is January (1018.9mbar).
The month with the lowest atmospheric pressure is July (998.4mbar).

Average wind speed in September
Islamabad, Pakistan

Average wind speed in September - Islamabad, Pakistan
  • Average wind speed in September: 8.2km/h

The windiest month (with the highest average wind speed) is May (10.7km/h).
The calmest month (with the lowest average wind speed) is December (7.8km/h).

Average humidity in September
Islamabad, Pakistan

Average humidity in September - Islamabad, Pakistan
  • Average humidity in September: 45%

The month with the highest relative humidity is August (53%).
The months with the lowest relative humidity are May, June and December (26%).

Average rainfall in September
Islamabad, Pakistan

Average rainfall in September - Islamabad, Pakistan
  • Average rainfall in September: 45mm

The wettest month (with the highest rainfall) is August (119mm).
The driest months (with the least rainfall) are November and December (9mm).

Average rainfall days in September
Islamabad, Pakistan

Average rainfall days in September - Islamabad, Pakistan
  • Average rainfall days in September: 10.5 days

The month with the highest number of rainy days is August (20.2 days).
The month with the least rainy days is December (2.2 days).

Average daylight in September /
Average sunshine in September
Islamabad, Pakistan

Average daylight in September / Average sunshine in September - Islamabad, Pakistan
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in September: 11h and 1min

The months with the most sunshine are May and June (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 6h and 42min).

Average sunshine days in September
Islamabad, Pakistan

Average sunshine days in September - Islamabad, Pakistan
  • Average sunshine days in September: 13.3 days

The month with the most sunshine days is December (27.8 days).
The month with the least sunshine days is August (7.2 days).

Average UV index in September
Islamabad, Pakistan

Average UV index in September - Islamabad, Pakistan
  • Average UV index in September: 7

The months with the highest UV index are May, June and July (UV index 8).
The months with the lowest UV index are January, February and December (UV index 4).

Average cloud cover in September
Islamabad, Pakistan

Average cloud cover in September - Islamabad, Pakistan
  • Average cloud cover in September: 13

The month with the most cloud cover is February (Cloud cover 29).
The month with the least cloud cover is October (Cloud cover 7).

Average visibility in September
Islamabad, Pakistan

Average visibility in September - Islamabad, Pakistan
  • Average visibility in September: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

Islamabad, Pakistan

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