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Mumbai in September: Weather, Average temperature and Climate

Take a look at past year’s weather for Mumbai in September and see if it is worth visiting.
Check flight prices to Mumbai on Avionero:
September

Weather in Mumbai in September 2024

OK Weather
Warm
☁️
Cloudy
Mumbai in September usually sees fair weather conditions, with an average daily high temperature of +29°C and roughly 2 sunny days. However, you should prepare for about 12 rainy days with an average precipitation of 169 mm. The weather is changeable so pack for every eventuality. Search flights in one click on Avionero.

Average weather

☀️
+29°C
Avg. max. temperature
+23°C
Min.
+36°C
Max.
169 mm
Total precipitation
81%
Avg. humidity
2 m/s
Avg. wind
2 ☀️
Sunny Days
16 ⛅️
Cloudy
12 🌦
Rainy
Our opinion: Mumbai has OK weather in September.

Average temperature in Mumbai in September

Here are the expected maximum, average and minimum temperatures in Mumbai for September based on the historical data.
Last Year
Historical Data

The expected average maximum temperature in September is +29°C with a maximum of +31°C and a minimum of +25°C.

The average maximum temperature goes up 0% by the end of the month, compared with the beginning of the month, from +30°C to +30°C.

Is Mumbai warm or cold in September?

Mumbai is typically warm in September.

Maximum temperatures go up compared to the previous month from +28°C to +29°C. The minimum temperature also goes up from +26°C to +26°C.

It’s generally warm, but pack a long-sleeve shirt for evenings.

Take a look at how September is compared to other months in Mumbai:

Climate in Mumbai in September

Mumbai weather looks like this, on average, in September and the surrounding months.
AugustSeptemberOctober
Avg. temperature
+28°C+29°C+31°C
Min. temperature
+23°C+23°C+21°C
Max. temperature
+34°C+36°C+38°C
Rainfall
346 mm169 mm38 mm
Wind
3 m/s2 m/s1 m/s
Humidity
83%81%71%
Air pressure
1004 HPa1006 HPa1008 HPa
Sunny days
0215
Cloudy days
101613
Rainy days
21123
Snowy days
000

September weather is still as ok as in August. It’s getting warmer as September arrives. The average maximum temperature goes up from +28°C to +29°C during the day. As September arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 346 mm to 169 mm. It feels drier, as humidity decreases from 83% to 81%. Winds are calmer in comparison to August, going down from 3 m/s to 2 m/s on average. The good news is there are likely to be more sunny days in September, from 0 to 2.

But maybe it is worth considering traveling in October as the weather gets better.

Wind

Wind speed in Mumbai in September based on historical data.
Last Year
Historical Data

The average wind speed is 2 m/s getting up to 4 m/s which is a light breeze; barely moving the tree leaves.

The average wind speed in Mumbai is gradually increasing during September, going from 2 m/s to 2 m/s over the course of the month.

Rain

Amount of rainfall in mm during September in Mumbai based on historical data.
Last Year
Historical Data
Typically, there is a 77% chance of rain on an average day in September, with total rainfall of approximately 215 mm. The maximum amount of rainfall per day is around 41 mm, which is moderate rain. September is a pretty wet month with over 23 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of galoshes.
Here’s how September is compared with other months in the amount of precipitation, total mm:
Mumbai wettest month is July, where a typical day has a 77% chance of precipitation and 481 mm of rainfall per day. January, on the other hand, is the driest month with a mere 0% chance of precipitation and 0 mm of rainfall per day.

How was the weather last September in Mumbai?

This is the weather in Mumbai in September 2023:
1 September
🌫️
+30°C
2 September
🌫️
+31°C
3 September
🌫️
+31°C
4 September
🌫️
+29°C
5 September
🌫️
+30°C
6 September
🌫️
+30°C
7 September
🌫️
+30°C
8 September
🌫️
+29°C
9 September
🌫️
+30°C
10 September
🌫️
+30°C
11 September
🌫️
+30°C
12 September
🌫️
+29°C
13 September
🌫️
+28°C
14 September
🌫️
+28°C
15 September
🌫️
+29°C
16 September
🌫️
+27°C
17 September
🌫️
+28°C
18 September
🌫️
+27°C
19 September
🌫️
+27°C
20 September
🌫️
+27°C
21 September
🌫️
+27°C
22 September
🌫️
+27°C
23 September
🌫️
+28°C
24 September
🌫️
+28°C
25 September
🌫️
+28°C
26 September
🌫️
+28°C
27 September
🌫️
+29°C
28 September
🌫️
+28°C
29 September
🌫️
+28°C
30 September
🌫️
+30°C
In September 2023 Mumbai had 0 sunny days, 0 cloudy days, and 0 rainy days. The average maximum temperature was +29°C, with an absolute maximum of +31°C and a minimum of +27°C. The average humidity was 89%, with a maximum of 100% and a minimum of 63%. The average wind speed was 2 m/s, with a maximum of 7 m/s and a minimum of 0 m/s.
Are you planning a trip in September?

Climate Change over Years

This is how Mumbai climate have been changing during last 43 years period.

The climate in Mumbai in September has not changed much over the last 43 years.

The average temperature was the lowest in 1993 (+29°C) and the highest in 2017 (+33°C). The driest year was 2018 with only 12 mm of rainfall, and the wettest year was 2016 with 782 mm.

FAQ

Frequently asked questions about the weather in Mumbai in September:

Is September a good time to visit Mumbai?

It’s always a good time to visit Mumbai, but the weather is changeable in September, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.

Can you sunbathe in Mumbai in September?

September is warm in Mumbai. You may enjoy some beach or pool time in the day, but pack something a tad warmer for the evening.

Is Mumbai rainy in September?

Mumbai is often rainy in September. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Mumbai in September?

Usually, it’s not very sunny in Mumbai in September, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Other cities in India

Check out the weather for other cities in India.

Monthly weather in Mumbai

Source of the data

For this page, we’ve looked at the typical weather in Mumbai, based on historical hourly weather data from January 1, 1979, to December 31, 2022.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.