The weather in Itanagar in September is hot. The average temperatures are between 21°C and 28°C.
There’s going to be many days of rain during the month of September in Itanagar.
Itanagar should expect an average of 15 to 22 days of rain, so be sure to bring along a waterproof jacket to stay dry this month!
Our weather forecast can give you a great sense of what weather to expect in Itanagar in September 2026.
If you’re planning to visit Itanagar in the near future, we highly recommend that you review the 14 day weather forecast for Itanagar before you arrive.
Temperatures
28° / 21°
Rainy Days
20
Snowy Days
0
Dry Days
10
Rainfall
604
mm
Sun Hours
10.4
Hrs
