Average data for 10 years
1 September
Sunday
+25°
+19°
2 September
Monday
+24°
+19°
3 September
Tuesday
+24°
+18°
4 September
Wednesday
+24°
+18°
5 September
Thursday
+23°
+18°
6 September
Friday
+23°
+16°
7 September
Saturday
+23°
+18°
8 September
Sunday
+23°
+17°
9 September
Monday
+21°
+17°
10 September
Tuesday
+21°
+16°
11 September
Wednesday
+21°
+16°
12 September
Thursday
+20°
+15°
13 September
Friday
+22°
+16°
14 September
Saturday
+22°
+16°
15 September
Sunday
+19°
+15°
16 September
Monday
+19°
+14°
17 September
Tuesday
+21°
+14°
18 September
Wednesday
+19°
+14°
19 September
Thursday
+19°
+15°
20 September
Friday
+21°
+14°
21 September
Saturday
+21°
+16°
22 September
Sunday
+20°
+15°
23 September
Monday
+22°
+17°
24 September
Tuesday
+20°
+15°
25 September
Wednesday
+19°
+13°
26 September
Thursday
+19°
+14°
27 September
Friday
+21°
+16°
28 September
Saturday
+18°
+16°
29 September
Sunday
+17°
+15°
30 September
Monday
+16°
+13°
Cities near you
United States
New York
United States
Boston
United States
Islandia
Canada
Montreal
Canada
Quebec
Cities with similar weather in September
Hungary
Budapest
Montenegro
Podgorica
Canada
Toronto
Hungary
Hévíz
Croatia
Zagreb
September in Londonderry is the sunniest month of the year. In September, the weather in Londonderry is typically warm. Average daily high temperature in September is about 21 degrees above zero. On average, Londonderry has 14 sunny, 10 partly cloudy, and 6 rainy days in September. The rains are usually moderate. September as well as {{month_nom: February}}, and {{month_nom: February}} is considered the most comfortable time to visit Londonderry.