Bengaluru Weather in September
September in Bengaluru averages 29°C (84°F) during the day and 20°C (68°F) at night. Quite a bit of rainfall is typical this month, with around 133 mm (5.2 in) on average. An umbrella is a good idea.
Rainfall in Bengaluru in September
Past climate data indicates that roughly 9 days will see rain, totalling around 133 mm (5.2 in) for the month. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.
Temperature in Bengaluru in September
September in Bengaluru brings typical temperatures with highs around 29°C (84°F) and lows of 20°C (68°F). Conditions stay fairly consistent through the month, making it easier to plan what to wear. Nights remain mild at 20°C (68°F), making evenings a pleasant time to be outdoors.
Sunshine in Bengaluru in September
You can expect a moderate amount of sunlight, with approximately 145 hours. This means a pleasant mix of sun and overcast.If your ideal day consists of dry skies and pleasant temperatures, January, November and December typically offer the best circumstances for Bengaluru.
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 Bengaluru's climate page.
Bengaluru Temperature in September
Min Temperature
20°C (68°F)
Max Temperature
29°C (84°F)
Chance of Rain
31%
Precipitation
133 mm (5.2 in)
Rainy days
9 days
Humidity
64%
Sunshine
145 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Bengaluru typically stay consistent throughout September, with daily highs averaging around 29°C (84°F). Nights are warm, with lows around 20°C (68°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 Bengaluru in September
Browse day-by-day weather records for Bengaluru spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Bengaluru historical weather extremes in September
Based on 49 years of weather observations in Bengaluru between 1976 and 2025, these are the recorded extremes.
- The warmest day in September was on September 11, 1987, with a maximum of 38°C (100°F).
- The coldest September day was on September 4, 1976, with a maximum of 21°C (70°F).
- Bengaluru registered its coldest September night on September 5, 1978, with temperatures dropping to 15°C (59°F).
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 →
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What to Wear in Bengaluru 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). High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Bring sunglasses since you'll have some sunny periods throughout the monthWhat To Do in Bengaluru 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 Bengaluru's climate page.
Temperature Rainfall Sunshine Humidity
See the full Bengaluru climate overview or explore weather in India.
