The weather in Chiba in September is hot. The average temperatures are between 22°C and 26°C.
You can expect rain for roughly half of the month of September in Chiba. 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 Chiba in September 2025.
If you’re planning to visit Chiba in the near future, we highly recommend that you review the 14 day weather forecast for Chiba before you arrive.
Temperatures
26° / 22°
Rainy Days
8
Snowy Days
0
Dry Days
22
Rainfall
245
mm
Sun Hours
9.5
Hrs
