Average data for 10 years
1 September
Sunday
+29°
+25°
2 September
Monday
+29°
+25°
3 September
Tuesday
+30°
+25°
4 September
Wednesday
+29°
+26°
5 September
Thursday
+28°
+25°
6 September
Friday
+29°
+25°
7 September
Saturday
+29°
+25°
8 September
Sunday
+29°
+25°
9 September
Monday
+30°
+26°
10 September
Tuesday
+30°
+26°
11 September
today
+29°
+26°
12 September
tomorrow
+28°
+25°
13 September
Friday
+29°
+25°
14 September
Saturday
+27°
+25°
15 September
Sunday
+28°
+24°
16 September
Monday
+28°
+24°
17 September
Tuesday
+29°
+25°
18 September
Wednesday
+30°
+25°
19 September
Thursday
+30°
+25°
20 September
Friday
+29°
+26°
21 September
Saturday
+29°
+25°
22 September
Sunday
+28°
+25°
23 September
Monday
+28°
+24°
24 September
Tuesday
+29°
+25°
25 September
Wednesday
+29°
+25°
26 September
Thursday
+28°
+25°
27 September
Friday
+30°
+25°
28 September
Saturday
+30°
+26°
29 September
Sunday
+30°
+26°
30 September
Monday
+28°
+25°
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Cities with similar weather in September
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Pattaya
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In September, the weather in Vientiane is typically hot. Average daily high temperature in September is about 29 degrees above zero. On average, Vientiane has 28 rainy and 2 sunny days in September. The rains are usually heavy. September as well as May, June, July, and August is considered the most uncomfortable time to visit Vientiane.