South Georgia & South Sandwich weather in September 2025

Expect 2°C daytime maximum temperatures in the shade with on average 2 hours of sunshine per day in South Georgia & South Sandwich in September. Check more long-term weather averages for South Georgia & South Sandwich in September before you book your next holiday to South Georgia & South Sandwich in 2025/2026.

• 2
  2°C max day temperature
• 2
  2 hours of sunshine per day
• 18
  18 days with some rainfall
• -4
  -4°C min night temperature
• 12
  12 hours of daylight per day
• 0
  No heat & humidity
• 138
  138 mm of monthly rainfall
• 2
  2 (Low) UV index
• 0
  0°C sea temperature

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The September weather guide for South Georgia & South Sandwich, represented by Grytviken, (Grytviken) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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South Georgia & South Sandwich September sunrise & sunset times

Browse the sunrise and sunset times for South Georgia & South Sandwich in September 2025. Select a month to view South Georgia & South Sandwich sunrise and sunset times for the next 12 months. The South Georgia & South Sandwich sunrise and sunset times shown below are for Grytviken.

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