Weather in Grindavík in september
Climate normals based on 10 years of historical data for Grindavík, Island.
Average high
10°C
Average low
7°C
Rainfall
147 mm
18 rainy days
Sunshine
1.9h/day
Luftfuktighet
79%
How Hot Is Grindavík in september?
September brings typical readings of 10°C by day and 7°C by night to Grindavík. Temperatures climb 2°C over August's averages in Grindavík.
Sunshine Hours in september
Cloud cover keeps Grindavík dim: 1.9h of sun, daylight from 6:55 am to 7:55 pm.
Does It Rain In Grindavík In september?
Plan for rain — Grindavík sees 147mm across 18 days in September.
Is Grindavík Humid In september?
Grindavík is sticky and humid throughout September: 79% humidity makes the heat feel relentless.
Wind In Grindavík In september
Wind picks up in Grindavík during September — averaging 31 kph, with gustier afternoons.
Cloud Cover In Grindavík In september
Grindavík's September runs cloudy: typical cloud cover of 74%.
Cities With Similar Weather In september
Weather in Grindavík, month by month
| Month | High / Low | Regn | |
|---|---|---|---|
| Vädret i januari | 3°C / -1°C | 137mm | Details → |
| Vädret i februari | 4°C / 0°C | 138mm | Details → |
| Vädret i mars | 4°C / 0°C | 125mm | Details → |
| Vädret i april | 6°C / 3°C | 126mm | Details → |
| Vädret i maj | 8°C / 5°C | 125mm | Details → |
| Vädret i juni | 10°C / 8°C | 96mm | Details → |
| Vädret i juli | 12°C / 9°C | 93mm | Details → |
| Vädret i augusti | 12°C / 9°C | 111mm | Details → |
| Vädret i september | 10°C / 7°C | 147mm | |
| Vädret i oktober | 8°C / 5°C | 152mm | Details → |
| Vädret i november | 5°C / 2°C | 127mm | Details → |
| Vädret i december | 3°C / 0°C | 126mm | Details → |