The temperatures in Granollers in September are comfortable with low of 18°C and and high up to 24°C.
You can expect about 3 to 8 days of rain in Granollers during the month of September. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Granollers in September 2026.
If you’re planning to visit Granollers in the near future, we highly recommend that you review the 14 day weather forecast for Granollers before you arrive.
Temperatures
24° / 18°
Rainy Days
7
Snowy Days
0
Dry Days
23
Rainfall
82
mm
Sun Hours
8.1
Hrs
