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Kisumu Weather in September
September in Kisumu brings high temperatures, with highs of 28°C (82°F) and nights dropping to 19°C (66°F). Rainfall is on the higher side this month, averaging around 113 mm (4.4 in), so keep a rain jacket handy.
Rainfall in Kisumu in September
Records from the past 30 years suggest around 14 days of rain, with 113 mm (4.4 in) average for the month. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.
Temperature in Kisumu in September
Expect highs of 28°C (82°F) in Kisumu in September, with nights dropping to around 19°C (66°F). Overall, the month follows a fairly predictable daily temperature pattern. At 19°C (66°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.If your ideal day consists of dry skies and pleasant temperatures, July typically offers the best circumstances for Kisumu.
Kisumu Temperature in September
Min Temperature
19°C (66°F)
Max Temperature
28°C (82°F)
Chance of Rain
48%
Precipitation
113 mm (4.4 in)
Rainy days
14 days
Kisumu Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Kisumu - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Kisumu typically stay consistent throughout September, with daily highs averaging around 28°C (82°F). Nights are pleasant, with lows around 15°C (59°F).
Average temperatures in September
Historical weather records for Kisumu in September
Browse day-by-day weather records for Kisumu spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Kisumu historical weather extremes in September
The extremes listed below come from historical weather data collected in Kisumu from 1976 through 2025.
- Kisumu recorded its highest September temperature of 36°C (97°F) on September 22, 1997.
- The coldest September day was on September 10, 1976, with a maximum of 17°C (63°F).
- Nighttime temperatures dropped to 7°C (45°F) on September 25, 2005, marking the coldest September night on record.
Best Places in Kenya in September
Find out more about the weather in Kenya and which places have the best travel conditions in this month. See all of Kenya in September →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Kisumu in September
Warm temperatures in September make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Prepare for significant rainfall with proper waterproof clothing and shoes.
What To Do in Kisumu in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling7/10 -
Walking7/10 -
Camping6/10 -
Outdoor sports7/10
Kisumu 3-Day Forecast
More climate data for Kisumu
See the full Kisumu climate overview or explore weather in Kenya.
Popular in September
Where to go in September - average daytime high across popular destinations.
Mombasa
29°C (84°F) Malindi
28°C (82°F) Watamu28°C (82°F) Diani Beach28°C (82°F) Kisumu28°C (82°F) Nairobi
26°C (79°F) Nakuru24°C (75°F) Naivasha21°C (70°F) Bucket list
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The 10 best wildlife viewing sites in Kenya
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