Grytviken Weather in September
Grytviken in September sees very low daytime temperatures of 0°C (32°F) and nighttime lows of -5°C (23°F). Rainfall is fairly high this month at around 134 mm (5.3 in), so pack a rain jacket to stay dry.
Rainfall in Grytviken in September
Records from the past 30 years suggest around 18 days of snow, with 134 mm (5.3 in) average for the month. This is a wet month with frequent and often heavy showers. Both the number of rain days and the total rainfall are high.
Temperature in Grytviken in September
Daytime highs in Grytviken in September reach 0°C (32°F), with nights around -5°C (23°F). Even daytime conditions remain cold, making layers, a warm coat, and winter accessories a good idea. Nights drop below freezing to -5°C (23°F). An extra blanket is worth packing if you're unsure about the heating where you're staying. Expect freezing temperatures this month, so ensure you have plenty of warm clothing. It's important to be prepared.
Sunshine in Grytviken in September
The area enjoys a balanced 123 hours of sunlight, ensuring it's neither too overcast nor too sunny.
Wind Speed in Grytviken in September
September sees wind speeds averaging 4 m/s (8 knots). You'll experience variable conditions with moderate winds that create small waves on water and keep branches moving. Conditions range from light winds to moderate breezes throughout the month.If you're planning additional trips, our weather planner can help you find destinations that match your weather preferences.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit South Georgia, check out our Grytviken's climate page.
Grytviken Temperature in September
Min Temperature
-5°C (23°F)
Max Temperature
0°C (32°F)
Chance of Rain
59%
Precipitation
134 mm (5.3 in)
Rainy days
18 days
Humidity
72%
Windspeed
4 m/s (8 knots)
Sunshine
123 hours
Percentage Sunshine
Daily Historical Temperatures
43-year average (1976-2025)
Based on our historical records, temperatures in Grytviken typically stay consistent throughout September, with daily highs averaging around 0°C (32°F). Nights are very cold, with lows around -2°C (28°F).
Average temperatures in September
Historical weather for Grytviken in September
Browse day-by-day weather records for Grytviken spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Grytviken historical weather extremes in September
Our historical data for Grytviken spans 2006 to 2025, revealing these weather extremes.
- Grytviken experienced its chilliest September day on September 9, 2011, reaching only -6°C (21°F).
- The coldest night in September in Grytviken was on September 23, 2006, with a minimum of -12°C (10°F).
- The heaviest September precipitation occurred on September 5, 2011, when 38 mm (1.5 in) of precipitation fell.
Best Places in South Georgia in September
Find out more about the weather in South Georgia and which places have the best travel conditions in this month. See all of South Georgia in September →
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What to Wear in Grytviken in September
It's wise to bundle up for freezing conditions in Grytviken in September. If you have a winter jacket with good insulation, waterproof winter boots, thermal layers, and warm accessories it's smart to pack them. Hand and foot warmers can be lifesavers, especially during the night. Expect heavy rainfall, so bring good rain protection and waterproof bags. Bring sunglasses since you'll have some sunny periods throughout the monthWhat To Do in Grytviken in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit South Georgia, check out our Grytviken's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Grytviken climate overview or explore weather in South Georgia.
