Average data for 10 years
1 September
Sunday
+20°
+14°
2 September
Monday
+21°
+14°
3 September
Tuesday
+21°
+14°
4 September
Wednesday
+19°
+15°
5 September
Thursday
+21°
+14°
6 September
Friday
+20°
+14°
7 September
Saturday
+19°
+14°
8 September
Sunday
+20°
+12°
9 September
Monday
+21°
+13°
10 September
Tuesday
+20°
+13°
11 September
Wednesday
+21°
+13°
12 September
today
+21°
+14°
13 September
tomorrow
+21°
+14°
14 September
Saturday
+20°
+13°
15 September
Sunday
+20°
+12°
16 September
Monday
+19°
+12°
17 September
Tuesday
+19°
+13°
18 September
Wednesday
+17°
+11°
19 September
Thursday
+17°
+11°
20 September
Friday
+18°
+11°
21 September
Saturday
+19°
+12°
22 September
Sunday
+18°
+12°
23 September
Monday
+15°
+12°
24 September
Tuesday
+15°
+10°
25 September
Wednesday
+16°
+9°
26 September
Thursday
+16°
+9°
27 September
Friday
+15°
+10°
28 September
Saturday
+14°
+9°
29 September
Sunday
+12°
+8°
30 September
Monday
+13°
+7°
Cities with similar weather in September
Kazakhstan
Almaty
Belarus
Gomel
Belarus
Brest
Ukraine
Lviv
Poland
Warsaw
In September, the weather in Sumy is typically warm. Average daily high temperature in September is about 18 degrees above zero. On average, Sumy has 14 partly cloudy, 11 sunny, 4 rainy, and 1 cloudy day in September. The rains are usually light.