Guwahati Weather in September
September in Guwahati typically sees daytime highs of 32°C (90°F) and nighttime lows of 25°C (77°F). September falls within the rainy season, so heavy rainfall is to be expected.
Rainfall in Guwahati in September
Guwahati is in the rainy season in September, with rain on around 9 days and an average of 418 mm (16 in). Showers during the rainy season tend to be heavy and can come down intensely. An umbrella is often not enough, so a poncho or waterproof jacket is a better choice.
Temperature in Guwahati in September
Guwahati in September gets highs of 32°C (90°F) during the day and drops to 25°C (77°F) at night. Indoor breaks or shaded spots can make the warmer part of the day much more comfortable. Nights are warm at 25°C (77°F). It's worth making sure your accommodation has decent ventilation or air conditioning.
Sunshine in Guwahati in September
The city usually sees around 141 hours of sunlight, indicating a moderately sunny period (despite it being part of rainy season).If you're looking for dry conditions and comfortable temperatures, September may not be the ideal month to visit Guwahati. Our weather planner can help you explore destinations with more pleasant weather conditions.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit India, check out our Guwahati's climate page.
Guwahati Temperature in September
Min Temperature
25°C (77°F)
Max Temperature
32°C (90°F)
Chance of Rain
31%
Precipitation
418 mm (16 in)
Rainy days
9 days
Humidity
82%
Sunshine
141 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Guwahati typically stay consistent throughout September, with daily highs averaging around 32°C (90°F). Nights are warm, with lows around 26°C (79°F).
Average temperatures in September
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather for Guwahati in September
Browse day-by-day weather records for Guwahati spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Guwahati historical weather extremes in September
Based on 24 years of weather observations (2001-2025), these are the most extreme conditions recorded in Guwahati.
- On September 24, 2012, temperatures climbed to 37°C (99°F), marking the warmest September day on record.
- On September 6, 2007, Guwahati saw its coldest September day with temperatures maxing out at 25°C (77°F).
- The coldest night in September in Guwahati was on September 20, 2024, with a minimum of 20°C (68°F).
- The wettest day in September Guwahati was on September 22, 2014 with 205 mm (8.1 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
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What to Wear in Guwahati in September
Warm but pleasant conditions in Guwahati in September. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. It's going to pour! Pack a good poncho and prepare for very wet conditions. Bring sunglasses since you'll have some sunny periods throughout the monthWhat To Do in Guwahati in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit India, check out our Guwahati's climate page.
Temperature Rainfall Sunshine Humidity
See the full Guwahati climate overview or explore weather in India.
