Mumbai
India
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Mumbai, India

The iconic ancient arch monument of the Gateway of Mumbai, India
The iconic ancient arch monument of the Gateway of Mumbai, India
September is characterized by a small rise in temperature to read between 25°C (77°F) and 31°C (87.8°F), making it warmer but still a wet month, from the rains that fall for a monthly average of nineteen days to collect at 320mm (12.6").
The sunshine hours rise to five per day, on average warming the ocean to an average of 29°C (84.2°F). The month experiences a drop in the wind speed same with the humidity that comes down to 75%

What is the temperature in September in Mumbai?

In Mumbai, in September, the average high-temperature is 30.4°C (86.7°F), and the average low-temperature is 24.3°C (75.7°F).

What is the average humidity in September in Mumbai?

In September, the average relative humidity is 83%.

How many days does it rain in September in Mumbai?

In September, in Mumbai, the rain falls for 14.4 days. Throughout September, 312.3mm (12.3") of precipitation is accumulated.

What is the water temperature in September in Mumbai?

In Mumbai, in September, the average water temperature is 28.7°C (83.7°F). For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

What is the average length of the day in September in Mumbai?

In September, the average length of the day in Mumbai, India, is 12.2h.

How many hours of sunshine does Mumbai have in September?

In September, the average sunshine is 5.5h.

When is the highest UV index in Mumbai?

Months with the highest UV index in Mumbai are March through September, with an average maximum UV index of 12.

How high is the UV index in September in Mumbai?

In Mumbai, India, the average daily maximum UV index in September is 12. A UV Index estimate of 11, and higher, represents an ultimate hazard to health from the exposure to the Sun's UV radiation.
Average temperature in September - Mumbai, India
  • Average high temperature in September: 30.4°C

The warmest month (with the highest average high temperature) is November (33.5°C).
The month with the lowest average high temperature is August (29.6°C).

  • Average low temperature in September: 24.3°C

The month with the highest average low temperature is May (26.3°C).
The coldest month (with the lowest average low temperature) is January (16.8°C).

Average humidity in September - Mumbai, India
  • Average humidity in September: 83%

Months with the highest relative humidity are July and August (86%).
The month with the lowest relative humidity is February (67%).

Average rainfall in September - Mumbai, India
  • Average rainfall in September: 312.3mm

The wettest month (with the highest rainfall) is July (799.7mm).
The driest month (with the lowest rainfall) is March (0.2mm).

Average rainfall days in September - Mumbai, India
  • Average rainfall days in September: 14.4 days

The month with the highest number of rainy days is July (23.2 days).
The month with the lowest number of rainy days is March (0 days).

Average sea temperature in September - Mumbai, India
  • Average sea temperature in September: 28.7°C

The best month for swimming (with the highest average sea temperature) is June (30°C).
The coldest month (with the lowest average sea temperature) is February (24.9°C).

Average daylight in September / Average sunshine in September - Mumbai, India
  • Average daylight in September: 12.2h

The month with the longest days is June (Average daylight: 13.3h).
The month with shortest days is December (Average daylight: 11h).

  • Average sunshine in September: 5.5h

The month with most sunshine is May (Average sunshine: 9.6h).
Months with least sunshine are July and August (Average sunshine: 2.4).

Average UV index in September - Mumbai, India
  • Average UV index in September: 12

Months with the highest UV index are March, April, May, June, July, August and September (UV index 12).
The month with the lowest UV index is December (UV index 7).