The temperatures in Nyanza in September are comfortable with low of 18°C and and high up to 28°C.
You can expect rain for roughly half of the month of September in Nyanza. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Our weather forecast can give you a great sense of what weather to expect in Nyanza in September 2025.
If you’re planning to visit Nyanza in the near future, we highly recommend that you review the 14 day weather forecast for Nyanza before you arrive.
Temperatures
28° / 18°
Rainy Days
14
Snowy Days
0
Dry Days
16
Rainfall
281
mm
Sun Hours
11.6
Hrs
