The temperatures in Grindavik in September are quite cold with temperatures between 8°C and 10°C, warm clothes are a must.
You can expect rain for roughly half of the month of September in Grindavik. 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 Grindavik in September 2024.
If you’re planning to visit Grindavik in the near future, we highly recommend that you review the 14 day weather forecast for Grindavik before you arrive.
Temperatures
10° / 8°
Rainy Days
13
Snowy Days
0
Dry Days
17
Rainfall
204
mm
Sun Hours
6.6
Hrs
