Shillong Weather in September
In Shillong, September brings high daytime temperatures around 26°C (79°F), with nights cooling to 20°C (68°F). This month falls within the rainy season, so expect frequent rainfall.
Rainfall in Shillong in September
Shillong is in the rainy season in September, with rain on around 14 days and an average of 458 mm (18 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 Shillong in September
Expect highs of 26°C (79°F) in Shillong in September, with nights dropping to around 20°C (68°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. With lows of 20°C (68°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.
Sunshine in Shillong in September
The area enjoys a balanced 103 hours of sunlight, ensuring it's neither too rainy nor too sunny.If you're looking for dry conditions and comfortable temperatures, September may not be the ideal month to visit Shillong. 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 Shillong's climate page.
Shillong Temperature in September
Min Temperature
20°C (68°F)
Max Temperature
26°C (79°F)
Chance of Rain
46%
Precipitation
458 mm (18 in)
Rainy days
14 days
Humidity
90%
Sunshine
103 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Shillong typically stay consistent throughout September, with daily highs averaging around 26°C (79°F). Nights are warm, with lows around 23°C (73°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 Shillong in September
Browse day-by-day weather records for Shillong spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Shillong historical weather extremes in September
Based on weather observations in Shillong between 1976 and 2025, these are the recorded extremes during September.
- Shillong recorded its highest September temperature of 39°C (102°F) on September 4, 1985.
- Shillong experienced its chilliest September day on September 27, 1986, reaching only 23°C (73°F).
- Nighttime temperatures dropped to 15°C (59°F) on September 16, 1977, marking the coldest September night on record.
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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tolerable
unpleasant
poor
What to Wear in Shillong 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. Bring sunglasses since you'll have some sunny periods throughout the monthWhat To Do in Shillong 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 Shillong's climate page.
Temperature Rainfall Sunshine Humidity
See the full Shillong climate overview or explore weather in India.
