September weather forecast and climate
Karachi, Pakistan

A massive rock on the water overlooking the city of Karachi, Pakistan
A massive rock on the water overlooking the city of Karachi, Pakistan
September, the first month of the autumn, in Karachi, is still a tropical month, with average temperature fluctuating between 25.2°C (77.4°F) and 32.6°C (90.7°F).
The ideal sea water temperature of 28°C (82.4°F) and only 1 rainfall days, with 19.9mm (0.78") of accumulated rainfall, makes September the best time for swimming and other water activities.

Temperature

In Karachi, the average high-temperature is practically the same as in August - a still hot 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 (0.78") of accumulated precipitation. Throughout the year, there are 8 rainfall days, and 217.4mm (8.56") of precipitation is accumulated.

Sea temperature

In Karachi, the average water 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 September is 12.3h.

Sunshine

In Karachi, the average sunshine is 7.3h.

UV index

The average daily maximum UV index in Karachi, Pakistan, is 11. A UV Index of 11, and more, symbolizes an ultimate health vulnerability from unsafe exposure to the UV radiation for ordinary individuals.
Note: The daily maximum UV index of 11 interpret into the following advice:
Practice all-important precautions. Light skin people may get burned in less than 5 minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Even on cloudy days, a sunscreen with a minimum 30 sun protection factor should be generously applied and frequently re-applied, including after every swim or outdoor exercise. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.

What is the temperature in September in Karachi?

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

How many days does it rain in September in Karachi?

In Karachi, Pakistan, in September, it is raining for 1 days, with typically 19.9mm (0.78") of accumulated precipitation.

What is the sea water temperature in September in Karachi?

In September, the average sea temperature in Karachi is 28°C (82.4°F). Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

What is the average length of the day in September in Karachi?

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

How long on average sun shines in September in Karachi?

The average sunshine in September in Karachi, Pakistan, is 7.3h.

How high is the UV index in September in Karachi?

In September, the average daily maximum UV index in Karachi is 11. A UV Index reading of 11, and higher, represents an extreme health threat 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 least 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 least 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

The 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 the shortest days is December (Average daylight: 10.6h).

  • Average sunshine in September: 7.3h

The month with the most sunshine is May (Average sunshine: 9.6h).
The month with the 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).