September weather forecast
Karachi, Pakistan

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.