September weather forecastKarachi, Pakistan

A massive rock on the water overlooking the city of Karachi, Pakistan

September

Weather in September

September brings further relief from extreme conditions as Karachi experiences a drop in high temperatures to 32.6°C (90.7°F), thus marking its transition from summer to autumn. Additionally, a significant reduction in rainfall reflects the city's distancing from the monsoon influence. The sea still offers warm temperatures, perfect for beachgoers seeking relief from the heat. The end of the rainy season and a more atmospheric stability contribute to the fair weather in September. The trend of falling temperatures will persist, seemingly preparing the city for the cooler months ahead.

Temperature

In September, Karachi experiences a minor shift in meteorological conditions with average high-temperatures marked at a still hot 32.6°C (90.7°F), closely mirroring the climate in August. Throughout the month of September, Karachi witnesses an average temperature of 25.2°C (77.4°F).

Rainfall

In September, the rain falls for 1 days. Throughout September, 20mm (0.79") of precipitation is accumulated. Throughout the year, there are 8 rainfall days, and 217mm (8.54") of precipitation is accumulated.

Sea temperature

In Karachi, the average seawater temperature in September is 28°C (82.4°F).
Note: Water activities in surface temperatures between 25°C (77°F) and 29°C (84.2°F) are seen as exceptional and extremely agreeable for lengthened time spans.

Daylight

In September, the average length of the day in Karachi is 12h and 18min.
On the first day of September in Karachi, sunrise is at 6:13 am and sunset at 6:50 pm. On the last day of the month, sunrise is at 6:23 am and sunset at 6:19 pm PKT.

Sunshine

The average sunshine in September in Karachi is 7.3h.

UV index

The average daily maximum UV index in September is 11. A UV Index estimate of 11, and higher, represents an excessive health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum UV index of 11 during September leads to these instructions:
Utilize all necessary safety measures, unprotected skin could suffer burns instantly. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. Opt for tightly woven and loose clothing to enhance protection from the Sun. Even when the sky is cloudy, apply generously and frequently reapply a sunscreen with SPF 30 or more, especially post every swim or outdoor exercise. Notice! Sand and water reflections contribute to a stronger UV exposure.

Updated: Jan 30, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The average high-temperature and low-temperature in Karachi during September are 32.6°C (90.7°F) and 25.2°C (77.4°F) respectively.

In Karachi, Pakistan, in September, during 1 rainfall days, 20mm (0.79") of precipitation is typically accumulated.

In Karachi, the average seawater temperature in September 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.

In Karachi, the average day length in September is 12h and 18min.

In September, on the first day of the month, sunrise is at 6:13 am and sunset at 6:50 pm. On the last day of the month, sunrise is at 6:23 am and sunset at 6:19 pm PKT.

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

In Karachi, Pakistan, the average daily maximum UV index in September is 11. A UV Index estimate of 11, and higher, represents an excessive health risk from exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A M J J A September O N D

Aug

September

Oct

Average high temperature

31.7°C

32.6°C

34.7°C

Average low temperature

Average rainfall

Average rainfall days

Average sea temperature

Average daylight

Average sunshine

Average UV index

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).
The 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: 12h and 18min

The month with the longest days is June (Average daylight: 13h and 42min).
The month with the shortest days is December (Average daylight: 10h and 36min).

Average sunshine in September: 7h and 18min

The month with the most sunshine is May (Average sunshine: 9h and 36min).
The month with the least sunshine is August (Average sunshine: 4h and 48min).

Average UV index in September
Karachi, Pakistan

Average UV index in September: 11

The 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).