Climate averages 1991–2020
Karachi weather
in September.
A hot, very dry month: the 6th warmest and the 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a hot month in Karachi: daytime highs average 31.2°C and nights cool to about 25.7°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 11 mm of rain on roughly 2 days, which makes September a very dry month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 19 min on an average September day.
The nearest other city in this atlas is Hub (22 km away). In September its highs average 31.0°C, about as warm as Karachi, with 13 mm of rain.
Among the 166 cities listed in Pakistan, Karachi ranks joint 153rd of 166 for the warmest September highs and 7th of 166 for the driest September (rainfall, lowest first). The mean September high of those 166 cities is 34.5°C; Karachi is 3.3°C cooler than that mean.
From September to October, average highs rise by 1.9°C to 33.2°C, and monthly rainfall falls from 11 mm to 2.1 mm.
The annual picture
September in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Karachi climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 24.4°C14.6°C | 14.6°C | 4.3 | 1.0 | 10.811 h |
| February | 26.7°C16.5°C | 16.5°C | 4.3 | 0.7 | 11.311 h |
| March | 30.3°C20.0°C | 20.0°C | 2.2 | 0.5 | 12.012 h |
| April | 33.1°C23.7°C | 23.7°C | 0.6 | 0.1 | 12.713 h |
| May | 33.9°C26.4°C | 26.4°C | 0.3 | 0.1 | 13.313 h |
| June | 33.6°C27.9°C | 27.9°C | 5.8 | 0.8 | 13.714 h |
| July | 31.8°C27.5°C | 27.5°C | 42 | 3.6 | 13.514 h |
| August | 30.6°C26.4°C | 26.4°C | 42 | 3.1 | 13.013 h |
| September, selected | 31.2°C25.7°C | 25.7°C | 11 | 1.5 | 12.312 h |
| October | 33.2°C23.8°C | 23.8°C | 2.1 | 0.5 | 11.612 h |
| November | 30.4°C20.1°C | 20.1°C | 3.0 | 0.2 | 11.011 h |
| December | 26.3°C16.0°C | 16.0°C | 2.5 | 0.4 | 10.611 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
September in nearby cities
- Hub in SeptemberPakistan · 22 kmHigh 31.0°C · Low 25.5°C · 13 mm rain
- Kotri in SeptemberPakistan · 142 kmHigh 35.6°C · Low 25.2°C · 24 mm rain
- Hyderabad, Pakistan in SeptemberPakistan · 150 kmHigh 35.7°C · Low 25.3°C · 25 mm rain
- Tando Muhammad Khan in SeptemberPakistan · 157 kmHigh 35.2°C · Low 25.2°C · 30 mm rain
- Tando Jam in SeptemberPakistan · 165 kmHigh 35.6°C · Low 25.2°C · 25 mm rain
- Manjhand in SeptemberPakistan · 170 kmHigh 37.0°C · Low 25.6°C · 23 mm rain
- Hala in SeptemberPakistan · 177 kmHigh 36.5°C · Low 25.4°C · 26 mm rain
- Arif Wala in SeptemberPakistan · 178 kmHigh 36.5°C · Low 24.0°C · 6.1 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Karachi) is explained once on the Karachi year overview and on the Sources, method and limits page.