September weather forecastCaldera, Chile
September
Weather in September
The first month of the spring, September, is also an enjoyable month in Caldera, Chile, with an average temperature ranging between max 16.9°C (62.4°F) and min 12.7°C (54.9°F).Temperature
The onset of September brings an average high-temperature of a still comfortable 16.9°C (62.4°F), nearly matching the August temperature. Throughout September, Caldera's nights experience a slight temperature dip to a cool 12.7°C (54.9°F).Humidity
The average relative humidity in September in Caldera is 74%.Rainfall
January, February, April, September through December are months without rainfall.Daylight
In Caldera, Chile, the average length of the day in September is 11h and 57min.On the first day of the month, sunrise is at 06:55 and sunset at 18:30 -04. On the last day of September, sunrise is at 07:22 and sunset at 19:43 -03.
Note: On Sunday, 08. September 2024, at 00:00, Daylight Saving Time starts, and the time zone changes from -04 to -03. Daylight Saving Time lasts until Sunday, 06. April 2025, at 00:00; consequently, the time zone reverts from -03 to -04.
Sunshine
In September, the average sunshine in Caldera is 9.8h.UV index
The months with the highest UV index are January through May, August through December, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The daily maximum UV index of 5 in September interprets into the following advice:
Be vigilant - Suggestions to stave off sun damage are provided. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Caldera, Chile
- Average high temperature in September: 16.9°C
The warmest month (with the highest average high temperature) is February (22.3°C).
The month with the lowest average high temperature is July (16.4°C).
- Average low temperature in September: 12.7°C
The month with the highest average low temperature is February (17.1°C).
The coldest month (with the lowest average low temperature) is July (11.8°C).
Average pressure in September
Caldera, Chile
- Average pressure in September: 1017.5mbar
The month with the highest atmospheric pressure is July (1018.2mbar).
The month with the lowest atmospheric pressure is February (1013.8mbar).
Average wind speed in September
Caldera, Chile
- Average wind speed in September: 13.4km/h
The windiest month (with the highest average wind speed) is September (13.4km/h).
The calmest month (with the lowest average wind speed) is May (10.7km/h).
Average humidity in September
Caldera, Chile
- Average humidity in September: 74%
The month with the highest relative humidity is March (78%).
The month with the lowest relative humidity is June (71%).
Average rainfall in September
Caldera, Chile
- Average rainfall in September: 0mm
The wettest month (with the highest rainfall) is May (5mm).
The driest months (with the least rainfall) are January, February, April, September, October, November and December (0mm).
Average rainfall days in September
Caldera, Chile
- Average rainfall days in September: 1.2 days
The month with the highest number of rainy days is March (2.5 days).
The month with the least rainy days is October (0.2 days).
Average daylight in September /
Average sunshine in September
Caldera, Chile
- Average daylight in September: 11h and 54min
The month with the longest days is December (Average daylight: 13h and 48min).
The month with the shortest days is June (Average daylight: 10h and 30min).
- Average sunshine in September: 9h and 48min
The months with the most sunshine are January and November (Average sunshine: 9h and 54min).
The months with the least sunshine are May and June (Average sunshine: 9h and 24min).
Average sunshine days in September
Caldera, Chile
- Average sunshine days in September: 29.1 days
The months with the most sunshine days are October and December (30.6 days).
The month with the least sunshine days is February (27 days).
Average UV index in September
Caldera, Chile
- Average UV index in September: 5
The months with the highest UV index are January, February, March, April, May, August, September, October, November and December (UV index 5).
The months with the lowest UV index are June and July (UV index 4).
Average cloud cover in September
Caldera, Chile
- Average cloud cover in September: 8
The month with the most cloud cover is February (Cloud cover 14).
The month with the least cloud cover is November (Cloud cover 7).
Average visibility in September
Caldera, Chile
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).





