Average data for 10 years
1 September
Sunday
+14°
+9°
2 September
Monday
+14°
+10°
3 September
Tuesday
+15°
+10°
4 September
Wednesday
+16°
+10°
5 September
Thursday
+16°
+10°
6 September
Friday
+15°
+10°
7 September
Saturday
+16°
+10°
8 September
Sunday
+16°
+11°
9 September
Monday
+15°
+11°
10 September
Tuesday
+16°
+10°
11 September
today
+16°
+10°
12 September
tomorrow
+16°
+11°
13 September
Friday
+14°
+10°
14 September
Saturday
+14°
+10°
15 September
Sunday
+14°
+9°
16 September
Monday
+13°
+9°
17 September
Tuesday
+13°
+8°
18 September
Wednesday
+13°
+9°
19 September
Thursday
+13°
+8°
20 September
Friday
+14°
+9°
21 September
Saturday
+12°
+9°
22 September
Sunday
+12°
+8°
23 September
Monday
+12°
+8°
24 September
Tuesday
+12°
+6°
25 September
Wednesday
+13°
+6°
26 September
Thursday
+11°
+8°
27 September
Friday
+10°
+7°
28 September
Saturday
+9°
+7°
29 September
Sunday
+8°
+6°
30 September
Monday
+8°
+6°
In September, the weather in Ostashkov is typically warm. Average daily high temperature in September is about 13 degrees above zero. On average, Ostashkov has 14 rainy, 10 cloudy, 5 sunny, and 1 partly cloudy day in September. The rains are usually light. September as well as April, October, and November is considered the most uncomfortable time to visit Ostashkov.