Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
September welcomes an average high-temperature of a moderate 13.1°C (55.6°F), not much different from the preceding month. During September, Los Álamos witnesses a consistent average low-temperature of 8°C (46.4°F).Humidity
In September, the average relative humidity is 79%.Rainfall
In Los Álamos, in September, it is raining for 11.3 days, with typically 55mm (2.17") of accumulated precipitation. In Los Álamos, during the entire year, the rain falls for 116.5 days and collects up to 635mm (25") of precipitation.Daylight
In September, the average length of the day is 11h and 52min.On the first day of September, sunrise is at 07:13 and sunset at 18:33 -04. On the last day of the month, sunrise is at 07:29 and sunset at 19:57 -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 is 7.8h.UV index
May through September, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The daily high UV index of 3 during September translates into the following recommendations:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Los Álamos?
What is the average humidity in September in Los Álamos?
How much does it rain in Los Álamos in September?
What is the average length of the day in September in Los Álamos?
What time are sunrise and sunset in September in Los Álamos?
When does Daylight Saving Time (DST) start in September in Los Álamos?
How long on average sun shines in September in Los Álamos?
What is the month with the lowest UV index in Los Álamos?
How high is the UV index in September in Los Álamos?
Average temperature in September
Los Álamos, Chile
- Average high temperature in September: 13.1°C
The warmest month (with the highest average high temperature) is January (19.8°C).
The month with the lowest average high temperature is July (11.4°C).
- Average low temperature in September: 8°C
The month with the highest average low temperature is February (13.8°C).
The coldest month (with the lowest average low temperature) is July (7.6°C).
Average pressure in September
Los Álamos, Chile
- Average pressure in September: 1020.1mbar
The month with the highest atmospheric pressure is September (1020.1mbar).
The month with the lowest atmospheric pressure is February (1015mbar).
Average wind speed in September
Los Álamos, Chile
- Average wind speed in September: 16.7km/h
The windiest month (with the highest average wind speed) is January (21.2km/h).
The calmest month (with the lowest average wind speed) is May (15.3km/h).
Average humidity in September
Los Álamos, Chile
- Average humidity in September: 79%
The months with the highest relative humidity are June, July and August (82%).
The month with the lowest relative humidity is January (74%).
Average rainfall in September
Los Álamos, Chile
- Average rainfall in September: 55mm
The wettest month (with the highest rainfall) is June (146mm).
The driest month (with the least rainfall) is January (7mm).
Average rainfall days in September
Los Álamos, Chile
- Average rainfall days in September: 11.3 days
The month with the highest number of rainy days is July (16.7 days).
The month with the least rainy days is January (3.8 days).
Average daylight in September /
Average sunshine in September
Los Álamos, Chile
- Average daylight in September: 11h and 5min
The month with the longest days is December (Average daylight: 14h and 42min).
The month with the shortest days is June (Average daylight: 9h and 36min).
- Average sunshine in September: 7h and 5min
The month with the most sunshine is January (Average sunshine: 11h and 42min).
The month with the least sunshine is June (Average sunshine: 5h and 18min).
Average sunshine days in September
Los Álamos, Chile
- Average sunshine days in September: 16.8 days
The month with the most sunshine days is January (26.4 days).
The month with the least sunshine days is August (12.4 days).
Average UV index in September
Los Álamos, Chile
- Average UV index in September: 3
The months with the highest UV index are January, February and December (UV index 5).
The months with the lowest UV index are May, June, July, August and September (UV index 3).
Average cloud cover in September
Los Álamos, Chile
- Average cloud cover in September: 34
The month with the most cloud cover is June (Cloud cover 43).
The month with the least cloud cover is January (Cloud cover 13).
Average visibility in September
Los Álamos, Chile
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, June, September, October, November and December (10km).
The months with the lowest visibility are May, July and August (9km).
