September · Kenya
Best time to visit Kisumu in September Weather, crowds & prices
Weather in Kisumu in September
Average temperature 21°C, 273 mm of rain, about 27 days with 6+ hours of sunshine and 75% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
5.6/10
Ranked #10 of 12 months
- Avg temp
- 21°C
- Rainfall
- 273 mm
- Humidity
- 75%
- Days with 6h+ sun
- 27
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $ · Budget Friendly ($)
September in Kisumu scores 5.6/10 for sightseeing and cultural travel - ranked #10 of 12. Expect around 21°C, 273 mm of rain, and roughly 27 days with 6+ hours of sunshine this month.
Kisumu sits on Lake Victoria in western Kenya, with a museum, lake beaches and boat trips to nearby islands.
September in Kisumu: mixed conditions, plan around the weather
September averages 21°C (69°F) — pleasant for mornings and evenings on foot in the city, with a midday break when the sun is strongest.
273 mm makes this the wettest stretch of the year, though about 27 days with 6+ hours of sunshine still appear — keep an indoor fallback ready.
It scores 5.6/10 here, 10th of 12 months, against 8.5/10 in the destination's best month.
Pack light clothing, a hat and real sun protection, a proper rain shell rather than an umbrella.
Figure on low-season pricing, with crowds are light for this destination.
Flexible dates? February scores 2.9 points higher here — enough to change the trip.
Frequently asked
- What is the weather like in Kisumu in September?
- In September, Kisumu averages 21°C, 273 mm of rain, and about 27 days with 6+ hours of sunshine. Its climate-comfort score is 5.6/10.
- Is September a good time to visit Kisumu?
- September earns a 5.6/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Kisumu in September?
- Expect about 273 mm of rain in September. Average humidity is 75% and there are about 27 days with 6+ hours of sunshine.
Curated in Kisumu
Tickets & experiences
Things to do in Kisumu
Kisumu, Kenya. Live activities and tours from GetYourGuide, matched to this destination.