Average data for 10 years
1 September
Sunday
−2°
−4°
2 September
Monday
−4°
−4°
3 September
Tuesday
−2°
−3°
4 September
Wednesday
−1°
−2°
5 September
Thursday
−2°
−2°
6 September
Friday
−1°
−1°
7 September
Saturday
0°
−2°
8 September
Sunday
−1°
−2°
9 September
Monday
−1°
−2°
10 September
Tuesday
−1°
−3°
11 September
Wednesday
−2°
−3°
12 September
Thursday
−1°
−2°
13 September
Friday
−1°
−3°
14 September
Saturday
−2°
−3°
15 September
Sunday
−1°
−2°
16 September
Monday
−1°
−1°
17 September
Tuesday
0°
−2°
18 September
Wednesday
−1°
−1°
19 September
today
−1°
−3°
20 September
tomorrow
−1°
−2°
21 September
Saturday
−2°
−4°
22 September
Sunday
−2°
−3°
23 September
Monday
−2°
−3°
24 September
Tuesday
−1°
−1°
25 September
Wednesday
0°
−2°
26 September
Thursday
−1°
−3°
27 September
Friday
−2°
−2°
28 September
Saturday
−1°
−2°
29 September
Sunday
−2°
−3°
30 September
Monday
−1°
−2°
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In September, the weather in Grytviken is typically freezing. Average daily high temperature in September is about 1 degree below zero. On average, Grytviken has 28 snowy and 2 cloudy days in September. The snowfalls are usually heavy.