Kolkata
September
Weather in Kolkata for September 2025
Your guide to Kolkata weather in September - trends and predictions
In general, the average temperature in Kolkata at the beginning of September is 33.4 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 31.4 °C by the end of September.
Kolkata experiences an exceptionally high level of rainfall in September, with more than 24 rainy days on average.
Is September a good time to visit Kolkata? check out the best time to travel to Kolkata page.
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5
Dry days
25
Rainy days
0
Snow days
32°/26°
Temperatures
17 km/h
Avg max wind
81 %
Avg humidity
Kolkata in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  34° | 2 35° | 3  35° | 4  33° | 5 31° | 6  33° | 7  33° |
| 8 31° | 9  31° | 10 32° | 11 33° | 12 33° | 13 30° | 14  29° |
| 15 28° | 16 31° | 17 32° | 18 33° | 19 33° | 20 33° | 21 33° |
| 22 33° | 23 33° | 24 33° | 25 31° | 26 30° | 27 30° | 28 32° |
| 29 33° | 30 31° |
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Temperatures trend during September in Kolkata
See the weather trend as well as the moving average line
September weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. | Thundery outbreaks possible | 34° /27° | 2.5 mm | 8 | |
| 2 Sept. | Thundery outbreaks possible | 35° /27° | 4.4 mm | 8 | |
| 3 Sept. | Light rain shower | 35° /26° | 2.1 mm | 8 | |
| 4 Sept. | Torrential rain shower | 33° /26° | 31.6 mm | 7 | |
| 5 Sept. | Light rain shower | 31° /25° | 4.2 mm | 7 | |
| 6 Sept. | Patchy light rain with thunder | 33° /26° | 5.6 mm | 7 | |
| 7 Sept. | Moderate or heavy rain shower | 33° /26° | 7 mm | 8 | |
| 8 Sept. | Light rain shower | 31° /26° | 17.1 mm | 7 | |
| 9 Sept. | Patchy light drizzle | 31° /26° | 10.1 mm | 7 | |
| 10 Sept. | Patchy rain possible | 32° /26° | 3.3 mm | 7 | |
| 11 Sept. | Light rain shower | 33° /26° | 5.9 mm | 7 | |
| 12 Sept. | Thundery outbreaks possible | 33° /26° | 8.9 mm | 7 | |
| 13 Sept. | Thundery outbreaks possible | 30° /25° | 12.4 mm | 7 | |
| 14 Sept. | Overcast | 29° /25° | 14.4 mm | 7 | |
| 15 Sept. | Overcast | 28° /24° | 6.6 mm | 6 | |
| 16 Sept. | Light rain shower | 31° /25° | 4.6 mm | 7 | |
| 17 Sept. | Light rain shower | 32° /25° | 0.9 mm | 7 | |
| 18 Sept. | Light rain shower | 33° /25° | 2.6 mm | 7 | |
| 19 Sept. | Moderate or heavy rain shower | 33° /25° | 9.2 mm | 7 | |
| 20 Sept. | Light rain shower | 33° /26° | 5.9 mm | 7 | |
| 21 Sept. | Patchy light rain with thunder | 33° /26° | 9.8 mm | 8 | |
| 22 Sept. | Light rain shower | 33° /27° | 5.4 mm | 8 | |
| 23 Sept. | Light rain shower | 33° /26° | 11.1 mm | 7 | |
| 24 Sept. | Moderate or heavy rain shower | 33° /26° | 10.1 mm | 7 | |
| 25 Sept. | Light rain shower | 31° /25° | 31.2 mm | 7 | |
| 26 Sept. | Light rain shower | 30° /25° | 30.5 mm | 7 | |
| 27 Sept. | Patchy rain possible | 30° /25° | 17.4 mm | 7 | |
| 28 Sept. | Patchy rain possible | 32° /25° | 3 mm | 7 | |
| 29 Sept. | Light rain shower | 33° /26° | 5.8 mm | 7 | |
| 30 Sept. | Moderate or heavy rain shower | 31° /26° | 6.4 mm | 7 | |
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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.
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 267.4 mm is expected in Kolkata during September, occurring over more than 25 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.
What to pack to Kolkata in September?
As you prepare for your trip to Kolkata in September, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Kolkata, during September, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Lightweight Clothing: T-shirts, blouses, shorts, skirts
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Sandals/Flip-flops: Comfortable for warm climates
- Accessories
- Sunglasses: For sun protection
- Sun Hats: Wide-brimmed hats for sun protection in warm weather
- Umbrellas/Raincoats: For rainy days
- Personal Items
- Sunscreen: High SPF for sunny destinations
- Lip Balm with SPF: To protect against chapped lips
- Insect Repellent: For destinations with mosquitos or other insects
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