Climate averages 1991–2020
Dar es Salaam weather
in September.
A hot, fairly dry month: the joint 7th warmest and the driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
September is a hot month in Dar es Salaam: daytime highs average 29.0°C and nights cool to about 22.4°C. By daytime temperature it is the joint 7th warmest of the 12 months.
Expect about 23 mm of rain on roughly 7 days, which makes September a fairly dry month (the driest month of the year). Daylight, from sunrise to sunset, lasts about 12 h 04 min on an average September day.
The nearest other city in this atlas is Vikindu (21 km away). In September its highs average 28.5°C, about as warm as Dar es Salaam, with 20 mm of rain.
Among the 43 cities listed in Tanzania, Dar es Salaam ranks joint 15th of 43 for the warmest September highs and 29th of 43 for the driest September (rainfall, lowest first). The mean September high of those 43 cities is 28.0°C; Dar es Salaam is 1.0°C warmer than that mean.
From September to October, average highs rise by 0.8°C to 29.8°C, and monthly rainfall rises from 23 mm to 57 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
Dar es Salaam climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 30.8°C25.4°C | 25.4°C | 53 | 10.0 | 12.512 h |
| February | 31.4°C25.5°C | 25.5°C | 52 | 8.3 | 12.312 h |
| March | 30.6°C25.0°C | 25.0°C | 156 | 21.7 | 12.112 h |
| April | 29.0°C24.2°C | 24.2°C | 229 | 26.3 | 12.012 h |
| May | 28.2°C23.6°C | 23.6°C | 152 | 20.4 | 11.812 h |
| June | 27.8°C22.7°C | 22.7°C | 39 | 11.4 | 11.712 h |
| July | 27.6°C22.1°C | 22.1°C | 25 | 8.2 | 11.812 h |
| August | 28.0°C21.9°C | 21.9°C | 25 | 8.6 | 11.912 h |
| September, selected | 29.0°C22.4°C | 22.4°C | 23 | 7.4 | 12.112 h |
| October | 29.8°C23.3°C | 23.3°C | 57 | 11.0 | 12.312 h |
| November | 29.9°C24.1°C | 24.1°C | 92 | 17.5 | 12.412 h |
| December | 30.2°C24.9°C | 24.9°C | 94 | 18.0 | 12.513 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
- Vikindu in SeptemberTanzania · 21 kmHigh 28.5°C · Low 22.2°C · 20 mm rain
- Kibaha in SeptemberTanzania · 39 kmHigh 29.8°C · Low 20.5°C · 24 mm rain
- Bagamoyo in SeptemberTanzania · 59 kmHigh 29.7°C · Low 21.4°C · 19 mm rain
- Zanzibar in SeptemberTanzania · 74 kmHigh 28.5°C · Low 23.1°C · 19 mm rain
- Morogoro in SeptemberTanzania · 178 kmHigh 28.9°C · Low 19.0°C · 11 mm rain
- Tanga in SeptemberTanzania · 196 kmHigh 28.5°C · Low 21.6°C · 40 mm rain
- Handeni in SeptemberTanzania · 208 kmHigh 26.1°C · Low 17.9°C · 38 mm rain
- Kilosa in SeptemberTanzania · 252 kmHigh 28.8°C · Low 18.3°C · 12 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 Dar es Salaam) is explained once on the Dar es Salaam year overview and on the Sources, method and limits page.