Mumbai weather update: Sunny skies and moderate air quality on September 11, 2025

The weather data and air quality information were sourced from AQI.in, providing accurate measurements for Mumbai's environmental conditions.

Mumbai experienced clear skies and comfortable temperatures on September 11, 2025, with a temperature range of 25.8°C to 29.5°C and moderate air quality. The city recorded an Air Quality Index (AQI) of 73 the previous day, while the week ahead forecasts a mix of sunny days followed by heavy rainfall starting September 13.

The day's average temperature remained at 27.6°C with humidity levels at 67%. Wind speeds reached 16.6 km/h, creating a gentle breeze throughout the day. There was no chance of precipitation, making it ideal for outdoor activities.

Air Quality Overview

Air quality measurements from September 10 showed PM2.5 levels at 26 µg/m³ and PM10 at 73 µg/m³, with carbon monoxide reaching 353 µg/m³. While these levels fell within the moderate category, they could affect sensitive individuals, particularly in high-traffic areas.

The clear weather conditions made it suitable for outdoor activities, though masks were recommended in congested areas. The pleasant evening weather proved favorable for open-air activities and coastal visits.

Upcoming Weather Forecast

The upcoming weather forecast indicates partly cloudy skies on September 12, followed by significant rainfall. September 13 and 14 will experience heavy precipitation, with levels reaching 33 mm and 92 mm respectively.

Temperatures will drop between 23.8°C and 26.1°C during the rainy period. The wet conditions will persist through September 15 and 16, accompanied by high humidity levels. September 17 will see a slight improvement, though some rain is still expected.

The moderate AQI reading of 73 aligns with Mumbai's air quality patterns over the past week. The approaching rainy spell could temporarily improve air quality conditions in the city.

This weather pattern suggests residents should plan outdoor activities for September 11 and 12 before the heavy rainfall begins later in the week. The combination of clear skies and moderate temperatures on September 11 offered optimal conditions for various outdoor engagements.

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