The weather in Sibley in September is hot. The average temperatures are between 21°C and 31°C.
You can expect rain for roughly half of the month of September in Sibley. 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 Sibley in September 2025.
If you’re planning to visit Sibley in the near future, we highly recommend that you review the 14 day weather forecast for Sibley before you arrive.
Temperatures
31° / 21°
Rainy Days
8
Snowy Days
0
Dry Days
22
Rainfall
113
mm
Sun Hours
7.3
Hrs