Cali
September
Weather in Cali for September 2025
Your guide to Cali weather in September - trends and predictions
In general, the average temperature in Cali at the beginning of September is 28.4 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 27.3 °C by the end of September.
Cali experiences an exceptionally high level of rainfall in September, with more than 24 rainy days on average.
Is September a good time to visit Cali? check out the best time to travel to Cali page.
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2
Dry days
28
Rainy days
0
Snow days
27°/16°
Temperatures
11 km/h
Avg max wind
79 %
Avg humidity
Cali in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  27° | 2  29° | 3  26° | 4 28° | 5 30° | 6 31° | 7 28° |
| 8 32° | 9 31° | 10 26° | 11 28° | 12  26° | 13  29° | 14 28° |
| 15  28° | 16 27° | 17 27° | 18 30° | 19 28° | 20 30° | 21 26° |
| 22 28° | 23 28° | 24 27° | 25 28° | 26 29° | 27 27° | 28 29° |
| 29 25° | 30 26° |
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Temperatures trend during September in Cali
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. | Patchy rain possible | 27° /17° | 12.7 mm | 6 | |
| 2 Sept. | Patchy light rain with thunder | 29° /16° | 12.8 mm | 7 | |
| 3 Sept. | Moderate or heavy rain shower | 26° /16° | 21 mm | 6 | |
| 4 Sept. | Light rain shower | 28° /17° | 10.6 mm | 6 | |
| 5 Sept. | Light rain shower | 30° /15° | 12.4 mm | 7 | |
| 6 Sept. | Patchy rain possible | 31° /17° | 5.5 mm | 7 | |
| 7 Sept. | Patchy rain possible | 28° /15° | 4 mm | 7 | |
| 8 Sept. | Patchy rain possible | 32° /17° | 8.6 mm | 7 | |
| 9 Sept. | Patchy rain possible | 31° /18° | 8.4 mm | 7 | |
| 10 Sept. | Light rain shower | 26° /15° | 7.1 mm | 6 | |
| 11 Sept. | Patchy rain possible | 28° /16° | 5.1 mm | 6 | |
| 12 Sept. | Partly cloudy | 26° /16° | 3.3 mm | 6 | |
| 13 Sept. | Thundery outbreaks possible | 29° /17° | 6.4 mm | 6 | |
| 14 Sept. | Moderate or heavy rain shower | 28° /16° | 9.7 mm | 6 | |
| 15 Sept. | Mist | 28° /17° | 2.2 mm | 6 | |
| 16 Sept. | Patchy rain possible | 27° /15° | 1.9 mm | 6 | |
| 17 Sept. | Patchy rain possible | 27° /14° | 1.2 mm | 6 | |
| 18 Sept. | Patchy rain possible | 30° /17° | 3.5 mm | 7 | |
| 19 Sept. | Patchy rain possible | 28° /19° | 7.6 mm | 6 | |
| 20 Sept. | Patchy rain possible | 30° /20° | 7.5 mm | 7 | |
| 21 Sept. | Patchy light rain with thunder | 26° /13° | 9.6 mm | 6 | |
| 22 Sept. | Patchy light rain with thunder | 28° /16° | 12.4 mm | 6 | |
| 23 Sept. | Patchy light rain with thunder | 28° /17° | 14 mm | 6 | |
| 24 Sept. | Light rain shower | 27° /16° | 6.4 mm | 6 | |
| 25 Sept. | Patchy light rain with thunder | 28° /17° | 11.6 mm | 6 | |
| 26 Sept. | Patchy light rain with thunder | 29° /19° | 14.2 mm | 7 | |
| 27 Sept. | Patchy light rain with thunder | 27° /17° | 13.5 mm | 6 | |
| 28 Sept. | Light rain shower | 29° /20° | 14.8 mm | 6 | |
| 29 Sept. | Patchy rain possible | 25° /16° | 11.3 mm | 6 | |
| 30 Sept. | Patchy light rain with thunder | 26° /14° | 11.3 mm | 6 | |
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Important Notice
Our weather forecast for Cali 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 Cali forecast closer to your planned date for the most up-to-date weather information.
Cali in September - FAQ
What are the expected maximum and minimum temperatures in Cali during September?
During September, expect a variety of temperatures with highs around 27° and lows near 16°, suitable for diverse activities and preferences.
How much rainfall should be expected in Cali during September?
Significant rainfall exceeding 318.7 mm is expected in Cali during September, occurring over more than 28 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Cali during September?
The average wind speed in Cali during September is 11 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Cali in September?
As you prepare for your trip to Cali 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 Cali, 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
- 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
September rainfall patterns in Cali
Explore the daily rainfall trends and prepare for Calis September weather 💧
UV exposure in Cali during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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