Grytviken in September
2.6out of 10
Not the best time
Cold: highs around -1°C. Very wet: about 17 rainy days.
-1°CAvg high
-4°CAvg low
17Rainy days (113 mm)
11:35 hDaylight
06:33Sunrise · 18:08 Sunset
Why this score
- Cold: highs around -1°C
- Very wet: about 17 rainy days
- Nights fall to about -4°C
- Rain varies a lot between years (±4.3 days)
What to wear and pack
- Winter coat, hat and scarf
- Rain jacket or compact umbrella
- Gloves for freezing mornings
How reliable is the forecast?
Rain in September varies a lot between years (±4.3 rainy days), so check the forecast closer to your trip. Averages cover 30 years (1991–2020). Individual days can differ a lot.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 3°C | 0°C | 120 mm | 20 | – | – | 3.1 |
| February | 3°C | 1°C | 116 mm | 18 | – | – | 3.4 |
| March | 3°C | 0°C | 138 mm | 20 | – | – | 2.9 |
| April | 2°C | -1°C | 131 mm | 19 | – | – | 2.7 |
| May | 0°C | -3°C | 119 mm | 19 | – | – | 2.4 |
| June | -2°C | -5°C | 115 mm | 18 | – | – | 2.5 |
| July | -2°C | -5°C | 118 mm | 18 | – | – | 2.4 |
| August | -2°C | -5°C | 121 mm | 19 | – | – | 2.4 |
| September | -1°C | -4°C | 113 mm | 17 | – | – | 2.6 |
| October | 0°C | -3°C | 109 mm | 18 | – | – | 2.6 |
| November | 1°C | -2°C | 106 mm | 18 | – | – | 3.0 |
| December | 2°C | -1°C | 108 mm | 19 | – | – | 3.0 |
Frequently asked questions
How hot is Grytviken in September?
Daytime highs average -1°C and nights about -4°C.
When is the best time to visit Grytviken?
The best months are February, January, November, December.