September weather forecast
Aldea San Juan, Argentina

September

Weather in September

September, the first month of the spring in Aldea San Juan, is an agreeable month, with an average temperature ranging between min 9.5°C (49.1°F) and max 20.5°C (68.9°F).

Temperature

Aldea San Juan's shift from August to September is accompanied by an average high-temperature of an agreeable 20.5°C (68.9°F), a slight deviation from 18.6°C (65.5°F). In Aldea San Juan, September's nights observe an average temperature dip to a chilly 9.5°C (49.1°F).

Humidity

In September, the average relative humidity in Aldea San Juan is 77%.

Rainfall

In Aldea San Juan, Argentina, during September, the rain falls for 10.5 days and regularly aggregates up to 64mm (2.52") of precipitation. Throughout the year, there are 116.9 rainfall days, and 707mm (27.83") of precipitation is accumulated.

Daylight

In September, the average length of the day in Aldea San Juan, Argentina, is 11h and 55min.
On the first day of the month, sunrise is at 07:11 and sunset at 18:38. On the last day of September, in Aldea San Juan, sunrise is at 06:32 and sunset at 18:57 -03.

Sunshine

In September, the average sunshine in Aldea San Juan is 7.5h.

UV index

The months with the lowest UV index in Aldea San Juan, Argentina, are April through September, with an average maximum UV index of 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: In September, a regular UV index of 4 translates into these guidelines:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.

Frequently asked questions

What are September temperatures in Aldea San Juan?
In Aldea San Juan, in September, the average high-temperature is 20.5°C (68.9°F), and the average low-temperature is 9.5°C (49.1°F). In March, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which factors the actual air temperature with the relative humidity, is appraised at 31°C (87.8°F).
What is the average humidity in September in Aldea San Juan?
The average relative humidity in September in Aldea San Juan is 77%.
How much does it rain in Aldea San Juan in September?
In Aldea San Juan, during September, the rain falls for 10.5 days and regularly aggregates up to 64mm (2.52") of precipitation.
How many hours of daylight does Aldea San Juan have in September?
In September, the average day length in Aldea San Juan, Argentina, is 11h and 55min.
What time are sunrise and sunset in September in Aldea San Juan?
On the first day of September in Aldea San Juan, Argentina, sunrise is at 07:11 and sunset at 18:38. On the last day of the month, sunrise is at 06:32 and sunset at 18:57 -03.
How long on average sun shines in September in Aldea San Juan?
In Aldea San Juan, Argentina, the average sunshine duration in September is 7.5h.
What is the month with the lowest UV index in Aldea San Juan?
April through September, with an average maximum UV index of 4, are months with the lowest UV index.
How high is the UV index in September in Aldea San Juan?
The average daily maximum UV index in September in Aldea San Juan is 4. A UV Index estimate of 3 to 5 represents a moderate health threat from unprotected exposure to UV radiation.
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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September
Aldea San Juan, Argentina
  • Average high temperature in September: 20.5°C

The warmest month (with the highest average high temperature) is January (33.3°C).
The month with the lowest average high temperature is July (15.3°C).

  • Average low temperature in September: 9.5°C

The month with the highest average low temperature is January (18.9°C).
The coldest month (with the lowest average low temperature) is July (7.1°C).

Average pressure in September
Aldea San Juan, Argentina
  • Average pressure in September: 1017.4mbar

The month with the highest atmospheric pressure is July (1019.3mbar).
The month with the lowest atmospheric pressure is December (1010.7mbar).

Average wind speed in September
Aldea San Juan, Argentina
  • Average wind speed in September: 12.4km/h

The windiest month (with the highest average wind speed) is September (12.4km/h).
The calmest month (with the lowest average wind speed) is April (10km/h).

Average humidity in September
Aldea San Juan, Argentina
  • Average humidity in September: 77%

The month with the highest relative humidity is May (81%).
The month with the lowest relative humidity is January (55%).

Average rainfall in September
Aldea San Juan, Argentina
  • Average rainfall in September: 64mm

The wettest month (with the highest rainfall) is December (83mm).
The driest months (with the least rainfall) are April and May (46mm).

Average rainfall days in September
Aldea San Juan, Argentina
  • Average rainfall days in September: 10.5 days

The month with the highest number of rainy days is October (12.6 days).
The month with the least rainy days is June (8.3 days).

Average daylight in September /
Average sunshine in September
Aldea San Juan, Argentina
  • Average daylight in September: 11h and 5min

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: 7h and 3min

The month with the most sunshine is December (Average sunshine: 10h and 42min).
The month with the least sunshine is June (Average sunshine: 5h and 30min).

Average sunshine days in September
Aldea San Juan, Argentina
  • Average sunshine days in September: 17.5 days

The months with the most sunshine days are April and July (20.3 days).
The month with the least sunshine days is October (16.6 days).

Average UV index in September
Aldea San Juan, Argentina
  • Average UV index in September: 4

The months with the highest UV index are January, February, March, November and December (UV index 6).
The months with the lowest UV index are April, May, June, July, August and September (UV index 4).

Average cloud cover in September
Aldea San Juan, Argentina
  • Average cloud cover in September: 37

The month with the most cloud cover is May (Cloud cover 43).
The month with the least cloud cover is January (Cloud cover 21).

Average visibility in September
Aldea San Juan, Argentina
  • Average visibility in September: 9km

The month with the highest visibility is January (10km).
The month with the lowest visibility is May (8km).

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