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Itānagar Weather in September
Thinking of visiting Itānagar in September? Expect high temperatures reaching 29°C (84°F) during the day, dropping to 23°C (73°F) at night. Heavy showers are common during the rainy season.
Rainfall in Itānagar in September
Itānagar is in the rainy season in September, with rain on around 11 days and an average of 310 mm (12 in). Rain during the rainy season here tends to be intense rather than just persistent drizzle. Expect significant downpours, often in the late afternoon.
Temperature in Itānagar in September
September in Itānagar brings typical temperatures with highs around 29°C (84°F) and lows of 23°C (73°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. Nights remain mild at 23°C (73°F), making evenings a pleasant time to be outdoors.If you prefer dry days with pleasant temperatures, September may not be the ideal month to visit Itānagar. Our weather planner can help you explore destinations with more pleasant weather conditions.
Itānagar Temperature in September
Min Temperature
23°C (73°F)
Max Temperature
29°C (84°F)
Chance of Rain
38%
Precipitation
310 mm (12 in)
Rainy days
11 days
Humidity
93%
Itānagar Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Itānagar - and find the best time to visit.
Daily Historical Temperatures
38-year average (1979-2025)
Based on our historical records, temperatures in Itānagar typically stay consistent throughout September, with daily highs averaging around 29°C (84°F). Nights are warm, with lows around 25°C (77°F).
Average temperatures in September
Daily Historical Precipitation
38-year average (1979-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather records for Itānagar in September
Browse day-by-day weather records for Itānagar spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Itānagar historical weather extremes in September
Based on weather observations in Itānagar between 2005 and 2026, these are the recorded extremes during September.
- On September 30, 2023, temperatures climbed to 40°C (104°F), marking the warmest September day on record.
- The coldest September day was on September 24, 2019, with a maximum of 24°C (75°F).
- Itānagar registered its coldest September night on September 30, 2014, with temperatures dropping to 21°C (70°F).
- The wettest day in September Itānagar was on September 2, 2013 with 111 mm (4.4 in) of precipitation.
Best Places in India in September
Find out more about the weather in India and which places have the best travel conditions in this month. See all of India in September →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Itānagar in September
Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Also bring a poncho, it will rain a lot! Waterproof everything you can.
What To Do in Itānagar in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling7/10 -
Walking7/10 -
Camping6/10 -
Outdoor sports7/10
Itānagar 3-Day Forecast
More climate data for Itānagar
See the full Itānagar climate overview or explore weather in India.
Popular in September
Where to go in September - average daytime high across popular destinations.
Jaipur
35°C (95°F) Gurugram35°C (95°F) New Delhi
35°C (95°F) Chennai33°C (91°F) Hyderabad
31°C (88°F) Bengaluru29°C (84°F) Mumbai
30°C (86°F) Kochi28°C (82°F) Bucket list
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