Valparaíso
September
Weather in Valparaíso for September 2025
Your guide to Valparaíso weather in September - trends and predictions
In general, the average temperature in Valparaíso at the beginning of September is 15.3 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 16.1 °C by the end of September.
With an average of 5 rainy days, Valparaíso experiences minimal rainfall in September.
Is September a good time to visit Valparaíso? check out the best time to travel to Valparaíso page.
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25
Dry days
5
Rainy days
0
Snow days
15°/10°
Temperatures
21 km/h
Avg max wind
77 %
Avg humidity
Valparaíso in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  16° | 2  14° | 3  15° | 4  16° | 5 17° | 6 14° | 7 15° |
| 8 16° | 9 16° | 10 15° | 11  16° | 12  14° | 13 16° | 14  18° |
| 15 19° | 16 17° | 17 14° | 18 14° | 19 15° | 20 15° | 21 15° |
| 22 14° | 23 15° | 24 16° | 25 15° | 26 16° | 27 17° | 28 18° |
| 29 15° | 30 16° |
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Temperatures trend during September in Valparaíso
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. | Cloudy | 16° /10° | 0 mm | 5 | |
| 2 Sept. | Light rain | 14° /9° | 3.4 mm | 4 | |
| 3 Sept. | Moderate rain | 15° /9° | 2.5 mm | 5 | |
| 4 Sept. | Overcast | 16° /9° | 0 mm | 5 | |
| 5 Sept. | Overcast | 17° /10° | 0 mm | 5 | |
| 6 Sept. | Moderate rain | 14° /9° | 4.5 mm | 4 | |
| 7 Sept. | Overcast | 15° /7° | 0 mm | 5 | |
| 8 Sept. | Overcast | 16° /9° | 0 mm | 5 | |
| 9 Sept. | Overcast | 16° /10° | 0 mm | 5 | |
| 10 Sept. | Cloudy | 15° /10° | 2.3 mm | 5 | |
| 11 Sept. | Patchy rain possible | 16° /9° | 1.4 mm | 5 | |
| 12 Sept. | Sunny | 14° /8° | 0 mm | 5 | |
| 13 Sept. | Overcast | 16° /7° | 0 mm | 5 | |
| 14 Sept. | Partly cloudy | 18° /10° | 0 mm | 6 | |
| 15 Sept. | Sunny | 19° /11° | 0 mm | 6 | |
| 16 Sept. | Sunny | 17° /9° | 0 mm | 5 | |
| 17 Sept. | Sunny | 14° /8° | 0 mm | 4 | |
| 18 Sept. | Overcast | 14° /9° | 0.6 mm | 4 | |
| 19 Sept. | Overcast | 15° /9° | 0.5 mm | 4 | |
| 20 Sept. | Partly cloudy | 15° /9° | 0 mm | 5 | |
| 21 Sept. | Partly cloudy | 15° /8° | 0 mm | 5 | |
| 22 Sept. | Partly cloudy | 14° /10° | 0.1 mm | 4 | |
| 23 Sept. | Overcast | 15° /9° | 0.1 mm | 4 | |
| 24 Sept. | Sunny | 16° /8° | 0.1 mm | 6 | |
| 25 Sept. | Sunny | 15° /8° | 0 mm | 5 | |
| 26 Sept. | Sunny | 16° /8° | 0.1 mm | 5 | |
| 27 Sept. | Sunny | 17° /9° | 0 mm | 5 | |
| 28 Sept. | Overcast | 18° /9° | 0 mm | 5 | |
| 29 Sept. | Sunny | 15° /9° | 0 mm | 5 | |
| 30 Sept. | Sunny | 16° /10° | 0 mm | 5 | |
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Important Notice
Our weather forecast for Valparaíso 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 Valparaíso forecast closer to your planned date for the most up-to-date weather information.
Valparaíso in September - FAQ
What are the expected maximum and minimum temperatures in Valparaíso during September?
During September, expect a variety of temperatures with highs around 15° and lows near 10°, suitable for diverse activities and preferences.
How much rainfall should be expected in Valparaíso during September?
In September, Valparaíso can expect light to moderate rainfall, totaling 28.5 mm across approximately 5 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Valparaíso during September?
The average wind speed in Valparaíso during September is 21 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Valparaíso in September?
As you prepare for your trip to Valparaíso 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 Valparaíso, during September, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Warm Clothing: Sweaters, hoodies, long pants
- Accessories
- Scarves: To protect you from the cold wind
- Gloves/Mittens: Essential for cold weather
- Warm Hats: Warm hats for insulation in cold weather
September rainfall patterns in Valparaíso
Explore the daily rainfall trends and prepare for Valparaísos September weather 💧
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