Karachi Hits 41°C, Records Hottest September Day in 10 Years

Karachi recorded a temperature of 41°C on Monday, marking the city’s highest September temperature in the past 10 years. Hot and humid conditions continued across Sindh as several cities experienced temperatures of 40°C or higher.

According to the Pakistan Meteorological Department, Karachi’s highest-ever temperature for September was 43°C, recorded in 1951. The city also experienced an unusually high temperature of 42.7°C on September 20, 2015.

The latest heat has not been limited to Karachi. Nine cities across Sindh recorded temperatures of 40°C or above on Monday. Shaheed Benazirabad, Hyderabad and Khairpur were among the hottest locations in the province, with temperatures reaching 42°C.

Chief Meteorologist Ameer Hyder Laghari said the intense heat and humidity were linked to a persistent low-pressure area. The weather system affected the usual sea breeze, which normally helps moderate temperatures in Karachi.

Laghari said the situation is expected to improve from Tuesday as the low-pressure system has nearly dissipated. As the system weakens, the return of normal sea-breeze conditions is expected to provide some relief from the extreme heat.

The weather system also produced rainfall in some eastern parts of Sindh. However, most areas of the province, including Karachi, did not receive significant monsoon showers. The weather department has already forecast a largely dry monsoon season for the region.

The combination of high temperatures and humidity has made conditions particularly uncomfortable for residents. High humidity can also make temperatures feel warmer than the actual reading, especially during the daytime.

Laghari also linked the broader regional warming pattern to El Niño conditions. El Niño is a natural climate pattern involving warmer-than-usual surface waters in the tropical Pacific Ocean. It can influence weather patterns in different parts of the world.

For Karachi, some relief is expected on Tuesday. The temperature is forecast to remain between 36°C and 38°C. Although this would be lower than Monday’s 41°C, conditions are expected to remain warm.

Relative humidity is likely to remain between 70% and 80% during the morning before falling to around 45% to 55% in the evening. Residents may continue to experience uncomfortable weather, particularly during the first half of the day.

The latest temperature highlights the unusual heat Karachi can experience even late in the monsoon season. While temperatures are expected to decline, weather conditions across Sindh will continue to be monitored as the region moves toward the end of September.