September weather forecastLos Muchachos, Argentina

September

Weather in September

September, the first month of the spring in Los Muchachos, is an agreeable month, with an average temperature ranging between max 20.6°C (69.1°F) and min 9.7°C (49.5°F).

Temperature

The shift from August to September is characterized by an average high-temperature of a pleasant 20.6°C (69.1°F), not significantly different from the 18.8°C (65.8°F) of August. Los Muchachos records a mean low-temperature of 9.7°C (49.5°F) in September.

Humidity

In Los Muchachos, the average relative humidity in September is 71%.

Rainfall

In Los Muchachos, in September, during 7.5 rainfall days, 34mm (1.34") of precipitation is typically accumulated. In Los Muchachos, during the entire year, the rain falls for 89.9 days and collects up to 475mm (18.7") of precipitation.

Daylight

In Los Muchachos, the average length of the day in September is 11h and 55min.
On the first day of the month, sunrise is at 07:19 and sunset at 18:46. On the last day of September, sunrise is at 06:40 and sunset at 19:05 -03.

Sunshine

In Los Muchachos, the average sunshine in September is 8h.

UV index

The months with the lowest UV index are April through September, with an average maximum UV index of 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index, 4 in September, converts into the following recommendations:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Boost your sun resistance with garments that are densely woven yet spacious.

Frequently asked questions

During September, Los Muchachos experiences an average high-temperature of 20.6°C (69.1°F) and a low-temperature of 9.7°C (49.5°F). The average heat index (a.k.a. 'real feel', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, in March is appraised at 30°C (86°F).

In Los Muchachos, the average relative humidity in September is 71%.

In September, the rain falls for 7.5 days. Throughout September, 34mm (1.34") of precipitation is accumulated.

In Los Muchachos, the average day length in September is 11h and 55min.

On the first day of September, sunrise is at 07:19 and sunset at 18:46. On the last day of the month, sunrise is at 06:40 and sunset at 19:05 -03.

The average sunshine duration in September is 8h.

The months with the lowest UV index are April through September, with an average maximum UV index of 4.

In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium health risk from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Los Muchachos, Argentina

  • Average high temperature in September: 20.6°C

The warmest month (with the highest average high temperature) is January (33.4°C).
The month with the lowest average high temperature is July (15.7°C).

  • Average low temperature in September: 9.7°C

The month with the highest average low temperature is January (18.8°C).
The coldest month (with the lowest average low temperature) is July (7.5°C).

Average pressure in September
Los Muchachos, Argentina

  • Average pressure in September: 1017mbar

The month with the highest atmospheric pressure is July (1019mbar).
The month with the lowest atmospheric pressure is December (1009.6mbar).

Average wind speed in September
Los Muchachos, Argentina

  • Average wind speed in September: 13km/h

The windiest months (with the highest average wind speed) are August and September (13km/h).
The calmest month (with the lowest average wind speed) is March (10.2km/h).

Average humidity in September
Los Muchachos, Argentina

  • Average humidity in September: 71%

The month with the highest relative humidity is May (75%).
The month with the lowest relative humidity is January (52%).

Average rainfall in September
Los Muchachos, Argentina

  • Average rainfall in September: 34mm

The wettest month (with the highest rainfall) is December (72mm).
The driest month (with the least rainfall) is June (16mm).

Average rainfall days in September
Los Muchachos, Argentina

  • Average rainfall days in September: 7.5 days

The month with the highest number of rainy days is October (10 days).
The month with the least rainy days is June (4.8 days).

Average daylight in September /
Average sunshine in September
Los Muchachos, Argentina

  • Average daylight in September: 11h and 54min

The month with the longest days is December (Average daylight: 14h and 18min).
The month with the shortest days is June (Average daylight: 10h and 0min).

  • Average sunshine in September: 8h and 0min

The month with the most sunshine is December (Average sunshine: 11h and 6min).
The month with the least sunshine is May (Average sunshine: 7h and 24min).

Average sunshine days in September
Los Muchachos, Argentina

  • Average sunshine days in September: 21.4 days

The month with the most sunshine days is August (24.3 days).
The month with the least sunshine days is October (19.7 days).

Average UV index in September
Los Muchachos, Argentina

  • Average UV index in September: 4

The month with the highest UV index is January (UV index 7).
The months with the lowest UV index are April, May, June, July, August and September (UV index 4).

Average cloud cover in September
Los Muchachos, Argentina

  • Average cloud cover in September: 29

The month with the most cloud cover is May (Cloud cover 37).
The month with the least cloud cover is January (Cloud cover 17).

Average visibility in September
Los Muchachos, Argentina

  • Average visibility in September: 9km

The months with the highest visibility are January, February, March, June and December (10km).
The months with the lowest visibility are April, May, July, August, September, October and November (9km).