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 September, in Mumbai, India, the average high-temperature is 30.4°C (86.7°F), and the average low-temperature is 24.3°C (75.7°F). In September, the average heat index (a.k.a. 'felt air temperature', 'real feel'), that calculates temperature value influenced by the moisture in the air, is appraised at 39.9°C (103.8°F).

What is the average humidity in September in Mumbai?

In Mumbai, the average relative humidity in September is 83%.

How much does it rain in Mumbai in September?

In September, 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 swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

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

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

How many hours of sunshine does Mumbai have in September?

In Mumbai, India, the average sunshine in September is 5.5h.

What is the month with the highest UV index in Mumbai?

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

What is the UV index reading in September in Mumbai?

In September, the average daily maximum UV index is 12. A UV Index of 11, and more, symbolizes an ultimate hazard to health from unprotected exposure to the 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).