September is often a wet month with sustained rainfall and swollen rivers; land access to parks and reserves may be unreliable. This period is generally regarded as the low season for tourism. Those who do visit should allow extra time and local guidance.
Average daily low and high (°C) and monthly rainfall. The badge shows how it feels, allowing for humidity.
Temperature map
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Average temperature across South Sudan in September.
Where to Go in South Sudan in September
Juba & Central Equatoria
Juba, Nimule, Kajo-Keji
As September progresses the rainful intensity begins to taper, though the ground stays sodden and rivers remain high near the end of the month. Juba streets slowly firm up and more overland trips are possible again, though some secondary roads may still be churned into ruts. Birdlife around the swollen White Nile can be excellent as species concentrate on remaining dry islands; for travelers this is a transition window - bring layers for cooler nights and continue using mosquito protection.
Eastern Equatoria & Imatong Highlands
Torit, Nimule, Imatong Mountains, Kajo‑Keji
September sees rains easing on the highlands and trails slowly drying; clear spells return more frequently and mornings feel fresher. Kajo‑Keji and lower Imatong slopes become increasingly accessible and birding improves as species regroup at shrinking pools. This is a good transition month for hikers who want post‑rain lushness without the worst mud - bring mid‑weight gear and continue to expect occasional showers.
Bahr el Ghazal & Western Plains
Wau, Rumbek, Raga, Tonj
With September the first signs of drying return to Bahr el Ghazal; puddles shrink and rough tracks begin to firm, making longer drives possible again. Rumbek and Wau see more reliable access while still enjoying the lush aftermath of the rains, which concentrates wildlife near rivers. Travelers will find improving conditions for overland travel and more open markets - bring mid‑weight clothing and a small waterproof for occasional showers.
The Sudd & White Nile Floodplain
Jonglei, Bor, Pibor, Bentiu approaches
September sees water levels starting to recede marginally in parts of the Sudd while remaining high in others; channels that were continuous begin to splinter into linked pools. River travel becomes slightly easier in places but remains the primary mode of movement. This transitional period often concentrates fish and birds, creating excellent wildlife observation opportunities - carry waterproof field gear and be ready for both hot days and humid evenings.
Upper Nile & Northern Plains
Malakal, Melut, Bentiu approaches, Nasir area
September starts the slow retreat of floodwaters in parts of the Upper Nile though many channels remain high and muddy; transition conditions make some routes unpredictable. Overland travel returns unevenly and depending on local drainage; birding and fishing remain strong as animals concentrate in residual pools. Travelers should have flexible itineraries and local guides handy to navigate changing conditions.
Events & Festivals in September
There are no major festivals or events in South Sudan during September to be aware of.
Planning a trip to South Sudan?
See how September compares with the rest of the year, then read the full guide.
