September weather forecastKarahi, Pakistan

September

Weather in September

The first month of the autumn, September, is also a hot month in Karahi, Pakistan, with an average temperature varying between 34.2°C (93.6°F) and 23.4°C (74.1°F).

Temperature

September's commencement is accompanied by an average high-temperature of a tropical 34.2°C (93.6°F), diverging marginally from August's 35.8°C (96.4°F). In Karahi, the nighttime temperature averages to a moderately hot 23.4°C (74.1°F) during September.

Heat index

September's average heat index is calculated to be a torrid 37°C (98.6°F). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
When referencing the heat index, its values are suitable for shady environments and light breezes. Direct sunlight exposure may cause a 15 Fahrenheit (8 Celsius) degrees rise in the heat index.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. In direct sunlight, the heat's impact can be heightened, potentially leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.
Perspiration, which is the evaporation of sweat, is a primary way the human body manages and dispels excessive warmth. With an abundance of moisture present in the air, the process of evaporation becomes less effective, and the body fails to cool down as it should, leading to the sensation of overheating. When body temperature rises due to an imbalance in heat gain, there's a potential for dehydration and overheating.

Humidity

In Karahi, the average relative humidity in September is 44%.

Rainfall

In Karahi, in September, during 9.2 rainfall days, 35mm (1.38") of precipitation is typically accumulated. In Karahi, during the entire year, the rain falls for 105.8 days and collects up to 390mm (15.35") of precipitation.

Daylight

The average length of the day in September is 12h and 23min.
On the first day of September, sunrise is at 5:43 am and sunset at 6:34 pm. On the last day of the month, sunrise is at 6:02 am and sunset at 5:54 pm PKT.

Sunshine

In September, the average sunshine is 11.2h.

UV index

In September, the average daily maximum UV index is 7. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The daily high UV index of 7 in September translates into this advice:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.

Frequently asked questions

The average high-temperature and low-temperature during September are 34.2°C (93.6°F) and 23.4°C (74.1°F) respectively. The average heat index (a.k.a. 'feels like', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in September is calculated to be 37°C (98.6°F).

In September, the average relative humidity is 44%.

In Karahi, in September, it is raining for 9.2 days, with typically 35mm (1.38") of accumulated precipitation.

The average day length in September is 12h and 23min.

In September, on the first day of the month, sunrise is at 5:43 am and sunset at 6:34 pm. On the last day of the month, sunrise is at 6:02 am and sunset at 5:54 pm PKT.

In Karahi, the average sunshine duration in September is 11.2h.

In Karahi, the average daily maximum UV index in September is 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Karahi, Pakistan

  • Average high temperature in September: 34.2°C

The warmest month (with the highest average high temperature) is June (39.3°C).
The month with the lowest average high temperature is January (17.6°C).

  • Average low temperature in September: 23.4°C

The month with the highest average low temperature is July (28.7°C).
The coldest month (with the lowest average low temperature) is January (7.2°C).

Average pressure in September
Karahi, Pakistan

  • Average pressure in September: 1005.7mbar

The month with the highest atmospheric pressure is January (1018.8mbar).
The month with the lowest atmospheric pressure is July (998.3mbar).

Average wind speed in September
Karahi, Pakistan

  • Average wind speed in September: 8.2km/h

The windiest month (with the highest average wind speed) is May (10.7km/h).
The calmest month (with the lowest average wind speed) is December (7.8km/h).

Average humidity in September
Karahi, Pakistan

  • Average humidity in September: 44%

The month with the highest relative humidity is August (52%).
The month with the lowest relative humidity is June (25%).

Average rainfall in September
Karahi, Pakistan

  • Average rainfall in September: 35mm

The wettest month (with the highest rainfall) is August (94mm).
The driest month (with the least rainfall) is November (7mm).

Average rainfall days in September
Karahi, Pakistan

  • Average rainfall days in September: 9.2 days

The month with the highest number of rainy days is August (19 days).
The month with the least rainy days is December (2.1 days).

Average daylight in September /
Average sunshine in September
Karahi, Pakistan

  • Average daylight in September: 12h and 24min

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in September: 11h and 12min

The months with the most sunshine are May and June (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 42min).

Average sunshine days in September
Karahi, Pakistan

  • Average sunshine days in September: 15.1 days

The month with the most sunshine days is December (28.4 days).
The month with the least sunshine days is August (7.8 days).

Average UV index in September
Karahi, Pakistan

  • Average UV index in September: 7

The months with the highest UV index are May, June, July and August (UV index 8).
The months with the lowest UV index are January, February and December (UV index 4).

Average cloud cover in September
Karahi, Pakistan

  • Average cloud cover in September: 13

The month with the most cloud cover is February (Cloud cover 29).
The month with the least cloud cover is October (Cloud cover 7).

Average visibility in September
Karahi, Pakistan

  • Average visibility in September: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).