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Weather in Kolkata for September 2026

Your guide to Kolkata weather in September - trends and predictions

    Temperatures

  • Until now, September 2026 in Kolkata has been nearly identical to the historical average, with a temperature of 33.1 °C (showing only a slight deviation of 0 °C).

  • The forecast for the upcoming days in Kolkata predicts a temperature of 34.4 °C, which is slightly above the historical average.

  • In general, the average temperature in Kolkata at the beginning of September is 33.1 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 32.3 °C by the end of September.

    • Rain 🌧️

  • Kolkata experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 261.8 mm.

Average dry days
0
Dry days
Average rainy days
30
Rainy days
Average snowy days
0
Snow days
Average temperatures
32°/26°
Temperatures
Average wind speed
17 km/h
Avg max wind
Average humidity
79 %
Avg humidity

Kolkata Weather September

Move between months or click on a day
August
October
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Light rain shower
34°
2
Light rain shower
33°
3
Light rain shower
33°
4
Torrential rain shower
32°
5
Light rain shower
32°
6
Patchy light rain with thunder
34°
7
Patchy rain possible
34°
8
Light rain shower
33°
9
Patchy light drizzle
33°
10
Patchy rain possible
33°
11
Patchy rain possible
31°
12
Patchy rain possible
33°
13
Patchy rain possible
32°
14
Overcast
33°
15
Patchy rain possible
34°
16
Sunny
35°
17
Sunny
35°
18
Sunny
34°
19
Sunny
34°
20
Overcast
34°
21
Partly cloudy
36°
22
Overcast
37°
23
Partly cloudy
37°
24
Overcast
36°
25
Light rain shower
32°
26
Light rain shower
31°
27
Patchy rain possible
30°
28
Light rain shower
32°
29
Light rain shower
33°
30
Moderate or heavy rain shower
32°

Temperatures trend during September in Kolkata

See the weather trend as well as the moving average line

September weather in Kolkata day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Light rain shower
Light rain shower
 34° /27° 3.4 mm 6
2 Sept. Light rain shower
Light rain shower
 33° /26° 43.4 mm 6
3 Sept. Light rain shower
Light rain shower
 33° /26° 5.8 mm 7
4 Sept. Torrential rain shower
Torrential rain shower
 32° /26° 22.3 mm 7
5 Sept. Light rain shower
Light rain shower
 32° /25° 4.5 mm 7
6 Sept. Patchy light rain with thunder
Patchy light rain with thunder
 34° /26° 3.4 mm 6
7 Sept. Patchy rain possible
Patchy rain possible
 34° /26° 5.3 mm 7
8 Sept. Light rain shower
Light rain shower
 33° /26° 9.6 mm 7
9 Sept. Patchy light drizzle
Patchy light drizzle
 33° /26° 12.5 mm 6
10 Sept. Patchy rain possible
Patchy rain possible
 33° /26° 2.2 mm 7
11 Sept. Patchy rain possible
Patchy rain possible
 31° /26° 6 mm 9.8
12 Sept. Patchy rain possible
Patchy rain possible
 33° /27° 5.9 mm 10.3
13 Sept. Patchy rain possible
Patchy rain possible
 32° /26° 6.2 mm 8.5
14 Sept. Overcast
Overcast
 33° /26° 0.1 mm 10.2
15 Sept. Patchy rain possible
Patchy rain possible
 34° /27° 2.2 mm 10.2
16 Sept. Sunny
Sunny
 35° /27° 1.3 mm 8
17 Sept. Sunny
Sunny
 35° /28° 5.9 mm 8
18 Sept. Sunny
Sunny
 34° /27° 3.8 mm 7
19 Sept. Sunny
Sunny
 34° /27° 0.1 mm 8
20 Sept. Overcast
Overcast
 34° /27° 0 mm 7
21 Sept. Partly cloudy
Partly cloudy
 36° /28° 0 mm 9
22 Sept. Overcast
Overcast
 37° /29° 0 mm 8
23 Sept. Partly cloudy
Partly cloudy
 37° /30° 0 mm 9
24 Sept. Overcast
Overcast
 36° /28° 1.1 mm 8
25 Sept. Light rain shower
Light rain shower
 32° /25° 21.3 mm 7
26 Sept. Light rain shower
Light rain shower
 31° /25° 20.9 mm 7
27 Sept. Patchy rain possible
Patchy rain possible
 30° /25° 13.9 mm 7
28 Sept. Light rain shower
Light rain shower
 32° /25° 4.3 mm 7
29 Sept. Light rain shower
Light rain shower
 33° /26° 5.9 mm 7
30 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 32° /25° 5.1 mm 7
Next
Important Notice
Our weather forecast for Kolkata in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Kolkata forecast closer to your planned date for the most up-to-date weather information.
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Kolkata in September - FAQ

What are the expected maximum and minimum temperatures in Kolkata during September?
During September, expect a variety of temperatures with highs around 32° and lows near 26°, suitable for diverse activities and preferences.

How much rainfall should be expected in Kolkata during September?
Significant rainfall exceeding 261.8 mm is expected in Kolkata during September, occurring over more than 30 days. Preparing for wet conditions is recommended in your planning.

What are the typical wind conditions in Kolkata during September?
The average wind speed in Kolkata during September is 17 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Kolkata

Explore the daily rainfall trends and prepare for Kolkatas September weather 💧
Typically, Kolkata has 30 rainy days in September with a total of 261.8 mm of rainfall.

UV exposure in Kolkata during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️

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Get accurate weather forecasts for Kolkata, located at latitude 22.563 and longitude 88.363. Stay updated with localized weather information tailored for Kolkata.

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