Bangalore Weather in September
India · Subtropical Highlands climate · Data averaged from 2020-01-01 to 2024-12-31 (5 years)
September in Bangalore sees average temperatures ranging from a low of 19.5°C (67.1°F) to a high of 27.3°C (81.1°F), with a mean of 22.7°C (72.9°F). Compared to the annual average of 23.3°C (73.9°F), this month is 0.6°C cooler than the yearly norm. Precipitation averages 136.9mm, making it approximately 41.0mm wetter than the monthly average of 96.0mm. The city receives an average of 8.5 hours of sunshine per day during September, with relative humidity averaging 81.6%. Wind speeds reach an average maximum of 19.4 km/h. For travelers, this month offers a temperature experience in Bangalore, with wetter-than-average conditions compared to the rest of the year.
Bangalore's altitude of 920 meters makes it one of the most comfortable major cities in India. I've studied its climate extensively and found that the city's famous reputation for pleasant weather is backed by the data — the annual average temperature of 24°C is remarkably stable. The city receives moderate rainfall from both the southwest and northeast monsoons, making it green year-round.
September vs Adjacent Months
| Metric | August | September | October |
|---|---|---|---|
| Mean Temp | 23.0°C (73.4°F) | 22.7°C (72.9°F) | 22.5°C (72.5°F) |
| Rainfall | 154.9mm | 136.9mm | 175.5mm |
| Sunshine | 8.4 hrs | 8.5 hrs | 9.1 hrs |
| Humidity | 80.3% | 81.6% | 79.6% |
| Wind | 19.6 km/h | 19.4 km/h | 14.4 km/h |
| Rainy Days | 27.2 | 27.4 | 24.2 |
Seasonal Context
September falls in Autumn in the Northern Hemisphere. Autumn sees temperatures gradually cooling from summer highs. For travelers visiting Bangalore in September, the data indicates mixed conditions based on the combination of temperature, precipitation, and daylight hours.
Frequently Asked Questions
What is the average temperature in Bangalore in September?
The average temperature in Bangalore during September ranges from 19.5°C (67.1°F) to 27.3°C (81.1°F), with a mean of 22.7°C (72.9°F).
How much does it rain in Bangalore in September?
Bangalore receives an average of 136.9mm of precipitation in September, spread across approximately 27.4 rainy days.
What should I pack for Bangalore in September?
Based on September weather data, pack layers including light jackets and t-shirts, plus an umbrella. Rain gear is essential — this month averages 136.9mm of precipitation.
Is September a good time to visit Bangalore?
September is a month with challenging conditions. Plan activities carefully and stay hydrated.
Other Months for Bangalore
Cities with Similar September Climate (Subtropical Highlands)
Data Source: Open-Meteo historical archive (2020-01-01 to 2024-12-31). Daily measurements aggregated into monthly climate normals. Coordinates: 12.97°, 77.59°. Timezone: Asia/Kolkata. Last updated: 2026-07-30.