Mumbai Weather: Today, September 13, 2025, the weather in Mumbai is going to be mild and humid. The sky will remain cloudy throughout the day, and there is a possibility of sporadic rain. The temperature of the city will be between 26.1°C and 27.9°C, which will make the start of the day a little pleasant. Humidity can reach 78% and winds will blow at a slow speed of 11.2 kilometers per hour. The presence of clouds will maintain normal humidity in the atmosphere, but the air may still feel a little heavy.
Today’s Air Quality Index, i.e., AQI, has been recorded at 70, which falls in the ‘moderate’ category. This is slightly better than the 71 of the previous day, which can give some relief to the city dwellers. The pollution level was found to be PM2.5 26 µg/m³, PM10 70 µg/m³, and CO 384 µg/m³. Experts believe that the rain will help reduce the pollutants present in the atmosphere, which can make the air fresh and easy to breathe.
However, experts have advised residents to carry umbrellas when going out. It is better to wear masks in more crowded areas, especially for vulnerable groups such as children, the elderly, and people suffering from respiratory problems. A light breeze is expected to blow in the evening, which will create a favorable atmosphere for outdoor activities.
The day changing due to rain
The temperature will remain mild throughout the day. The air may feel a little sticky due to humidity, but there will also be a possibility of strong winds at times. The chances of rain will increase to 89% after noon, which may cause waterlogging on the city roads. Still, going out is possible, provided necessary precautions are taken.
Upcoming week: From heavy rains to gradually clearing air
Mumbai’s weather will show different colors in the next few days. Heavy rains are expected on September 14, and the weather pattern will remain humid. The temperature will drop, but the city will continue to be active even amidst the rain. September 15 will be the coldest day, when the temperature may drop to 23.9°C. This drop in temperature due to rain will provide relief, especially after the summer.
The intensity of rain will reduce a bit by September 16, although the sky may remain cloudy. The weather will remain humid on Tuesday and Wednesday, and the temperature will be around 25°C. The temperature will gradually increase in the latter half of the week, and the chances of rain will start decreasing by September 19.
This weather change can bring a new balance to the city. Pollution is expected to drop due to rain, which may improve the air quality. Light rains may bring relief to vulnerable groups and attract them to the freshness of the outdoors.
Accurate information from AQI.in makes planning easy
All information mentioned in today’s weather report has been obtained from AQI.in. This platform provides accurate information related to the weather and air quality in Mumbai, helping residents to plan their daily activities and week-long plans. The reduction in pollution and the feeling of freshness due to the rains will bring relief to the city dwellers.
It is important to proceed with caution and prudence in this changing weather. Maintaining a balance between light rain and moderate AQI will be essential for the health and routine of the city. The weather of Mumbai will not only affect the routine of the people but will also give them a new energy by making them experience fresh air and a clean environment.