Normal weather for Valparaíso in September
It's cool to moderate in September in Valparaíso with an average temperature of 18°C. Temperatures this month range from a low of 16°C to a high of 19°C. At night, you can expect temperatures between 8°C and 10°C.
In September, there is an average of 17 mm of precipitation, spread over 3 days. The wind speed is around 4 Bft, mostly coming from the West.
Valparaíso in September |
New York | ||
|---|---|---|---|
 Average Temperature |
18°C | 27°C | |
 High Temp |
19°C | 31°C | |
| Low Temp |
16°C | 21°C | |
 Total Precipitation |
17 mm | 57 mm | |
| Rainy Days |
3 days | 9 days | |
Start of September
The month of September starts in Valparaíso with mild temps, averaging around 18°C during the day and nights around 8°C. There’s little chance of precipitation. The weather’s mostly sunny and dry.
With the temperature difference between day and night, it’s smart to wear layers. During the day, a shirt, maybe a light sweater, and thin pants will do. In the evening and morning, go for a warm jacket, sweater or hoodie, and long pants.
Mid September
By mid-September, daytime temps stay steady at around 18°C, with nights around 9°C. Not much precipitation expected during this period. It’s mostly dry and sunny.
Since it cools down at night, it’s a good idea to wear layers. During the day, a shirt, maybe a light sweater, and thin pants will do. In the evening and morning, go for a warm jacket, sweater or hoodie, and long pants.
End of September
By the end of September, the average daytime temperature in Valparaíso is around 18°C, while nighttime temps are about 9°C. There’s hardly any chance of precipitation. The weather will be mostly dry with plenty of sun.
Because temperatures drop in the evening, wearing layers is recommended. During the day, a shirt, maybe a light sweater, and thin pants will do. In the evening and morning, go for a warm jacket, sweater or hoodie, and long pants.
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Water temperature
The water temperature at Valparaíso is 15°C this month. This is probably too cold to swim without protective gear.
UV index
The UV index is a maximum of 9 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is September a good time to visit Valparaíso?
Looking for great weather? September is a good time to be in Valparaíso. The temperatures are nice, and there’s little chance of rain this month.
Temperature records for Valparaíso in September
Check out the climate of Valparaíso for all months and discover the best travel time
Curious about the weather in other parts of Chile? Check out the climate and weather for spots like Santiago, Patagonia, San Pedro de Atacama, or explore other destinations in Chile.
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Daily Temperature in September in Valparaíso
This chart shows the average daily high and low temperatures in September for Valparaíso, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in September in Valparaíso
The chart below shows the average daily precipitation in September for Valparaíso, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for September, you can expect about 3 days of precipitation in Valparaíso.
Daily UV Index in September in Valparaíso
This chart shows the average daily UV index in September in Valparaíso, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in September in Valparaíso Over the Years
This chart shows the average temperature in September in Valparaíso, measured in degrees Celsius, over the past few years.
Total Precipitation in September in Valparaíso Over the Years
This chart shows the average precipitation in September in Valparaíso, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily Climate in September for Valparaíso
Click on any day in September to get detailed info about the usual weather on that day in Valparaíso. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in September in Valparaíso
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Average Weather in Valparaíso by Month
Click on a month below to see detailed weather info for Valparaíso. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of Valparaíso for all months at once
