Karachi
Pakistan
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Karachi, Pakistan

A massive rock on the water overlooking the city of Karachi, Pakistan, and a small boat afloat
A massive rock on the water overlooking the city of Karachi, Pakistan, and a small boat afloat
The first month of the autumn, September, is still a tropical month in Karachi, Pakistan, with average temperature fluctuating between 32.6°C (90.7°F) and 25.2°C (77.4°F).
The ideal sea water temperature of 28°C (82.4°F) and only 1 rainfall days, with 19.9mm (0.8") of accumulated rainfall, make September the best time for swimming and other water activities.

Temperature

In Karachi, Pakistan, the average high-temperature in September is essentially the same as in August - a still tropical 32.6°C (90.7°F). The average low-temperature, in Karachi, is 25.2°C (77.4°F).

Rainfall

In Karachi, in September, it is raining for 1 days, with typically 19.9mm (0.8") of accumulated precipitation. Throughout the year, in Karachi, there are 8 rainfall days, and 217.4mm (8.6") of precipitation is accumulated.

Sea temperature

In September, the average sea temperature is 28°C (82.4°F).
Note: For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

Daylight

The average length of the day in Karachi is 12.3h.

Sunshine

The average sunshine in September is 7.3h.

UV index

The average daily maximum UV index is 11. A UV Index reading of 11, and higher, represents an extreme health hazard from unsafe exposure to the UV radiation for ordinary individuals.
Note: The average daily UV index of 11 in September transform into the following instructions:
Practice all essential precautions. Protection against sun damage is crucial. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. A broad-spectrum sunscreen of SPF 30+ should be liberally applied and re-applied every two hours, and immediately after an outdoor workout or a swim. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.

What is the temperature in September in Karachi?

The average high-temperature, in September, is 32.6°C (90.7°F), while the average low-temperature is 25.2°C (77.4°F).

How many days does it rain in September in Karachi?

In Karachi, in September, it is raining for 1 days, with typically 19.9mm (0.8") of accumulated precipitation.

How warm is the water in September in Karachi?

In September, the average sea temperature in Karachi is 28°C (82.4°F). For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

How many hours of daylight does Karachi have in September?

In September, the average length of the day in Karachi, Pakistan, is 12.3h.

How long on average sun shines in September in Karachi?

In September, the average sunshine in Karachi is 7.3h.

What is the UV index reading in September in Karachi?

In September, the average daily maximum UV index is 11. A UV Index of 11, and more, symbolizes an ultimate hazard to health from unprotected exposure to the UV radiation.
Average temperature in September - Karachi, Pakistan
  • Average high temperature in September: 32.6°C

The warmest month (with the highest average high temperature) is May (35.2°C).
The month with the lowest average high temperature is January (25.8°C).

  • Average low temperature in September: 25.2°C

The month with the highest average low temperature is June (27.9°C).
The coldest month (with the lowest average low temperature) is January (10.4°C).

Average rainfall in September - Karachi, Pakistan
  • Average rainfall in September: 19.9mm

The wettest month (with the highest rainfall) is July (85.5mm).
The driest month (with the lowest rainfall) is May (0mm).

Average rainfall days in September - Karachi, Pakistan
  • Average rainfall days in September: 1 days

The month with the highest number of rainy days is July (3 days).
Months with the lowest number of rainy days are January, March, April, May, June, October and November (0 days).

Average sea temperature in September - Karachi, Pakistan
  • Average sea temperature in September: 28°C

Best months for swimming (with the highest average sea temperature) are June and July (29°C).
The coldest month (with the lowest average sea temperature) is February (23°C).

Average daylight in September / Average sunshine in September - Karachi, Pakistan
  • Average daylight in September: 12.3h

The month with the longest days is June (Average daylight: 13.7h).
The month with shortest days is December (Average daylight: 10.6h).

  • Average sunshine in September: 7.3h

The month with most sunshine is May (Average sunshine: 9.6h).
The month with least sunshine is August (Average sunshine: 4.8h).

Average UV index in September - Karachi, Pakistan
  • Average UV index in September: 11

Months with the highest UV index are April, May, June, July and August (UV index 12).
The month with the lowest UV index is December (UV index 5).