The temperatures in Sirdal in September are usually low and can range between 10°C and 14°C.
You can expect rain for roughly half of the month of September in Sirdal. 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 Sirdal in September 2026.
If you’re planning to visit Sirdal in the near future, we highly recommend that you review the 14 day weather forecast for Sirdal before you arrive.
Temperatures
14° / 10°
Rainy Days
10
Snowy Days
0
Dry Days
20
Rainfall
207
mm
Sun Hours
8.0
Hrs
