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The weather in September in South Georgia and the South Sandwich Islands
It's cold in September in South Georgia and the South Sandwich Islands with an average temperature of 5°C. Temperatures this month range from a low of 2°C to a high of 8°C. At night, you can expect temperatures between -4°C and -1°C.
Looking for sun? September isn’t a good month to be in South Georgia and the South Sandwich Islands. There’s too much chance of rain this month.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in September for South Georgia and the South Sandwich Islands. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 30°C in 2023, South Georgia and the South Sandwich Islands reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was -7°C in 2015. The extreme nighttime temperatures ranged from a lowest recorded value of -12°C to a highest value of 7°C.
Precipitation and snowfall
In September, there is an average of 120 mm of precipitation, spread over 15 days. Of the total precipitation, about 28 cm falls as snow in September. The wind speed is around 5 Bft, mostly coming from the West.
Daily weather in September for South Georgia and the South Sandwich Islands
Click on any day in September to get detailed info about the usual weather on that day in South Georgia and the South Sandwich Islands. Check out the historical temperatures and precipitation over the past 10 years on this day.
September weather comparison
| South Georgia and the South Sandwich Islands | New York | |
|---|---|---|
| Average temperature | 5°C | 27°C |
| Max. temperature | 8°C | 31°C |
| Min. temperature | -4°C | -5°C |
| Total precipitation | 120 mm | 57 mm |
| Rainy days | 15 days | 9 days |
| Total snowfall | 28 cm | 0 cm |
| Snowy days | 13 days | 0 days |
Start of September
The month of September starts in South Georgia and the South Sandwich Islands with cold temps, averaging around 5°C during the day and nights around -2°C.
Mid September
By mid-September, daytime temps rise to around 6°C, with nights around -1°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days.
End of September
By the end of September, the average daytime temperature in South Georgia and the South Sandwich Islands is around 6°C, while nighttime temps are about -1°C. A shower might pop up, but overall, the weather will be dry and sunny.
UV index
The UV index is a maximum of 5 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.
Temperature charts
These charts show the average temperatures in September in South Georgia and the South Sandwich Islands. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in September in South Georgia and the South Sandwich Islands
Temperature in September in South Georgia and the South Sandwich Islands over the years
Precipitation charts
These charts show the average amount of precipitation in September in South Georgia and the South Sandwich Islands. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in September in South Georgia and the South Sandwich Islands
Total precipitation in September in South Georgia and the South Sandwich Islands over the years
Daily Snowfall in September in South Georgia and the South Sandwich Islands
Snowfall in September in South Georgia and the South Sandwich Islands per year
Daily UV index in September in South Georgia and the South Sandwich Islands
This chart shows the average daily UV index in September in South Georgia and the South Sandwich Islands, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in September in South Georgia and the South Sandwich Islands
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Average weather in South Georgia and the South Sandwich Islands by month
Click on a month below to see detailed weather info for South Georgia and the South Sandwich Islands. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.