September weather forecast
Avellaneda, Argentina

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Weather in September

The first month of the spring, September, is a refreshing month in Avellaneda, Argentina, with an average temperature varying between 10.9°C (51.6°F) and 17.4°C (63.3°F).

Temperature

Avellaneda registers an average high-temperature of a comfortable 17.4°C (63.3°F) at the commencement of September, closely related to the preceding month. Avellaneda reports a consistent average low-temperature of 10.9°C (51.6°F) throughout September nights.

Humidity

In Avellaneda, Argentina, the average relative humidity in September is 74%.

Rainfall

September is the month with the least rainfall in Avellaneda. Rain falls for 7.6 days and accumulates 37mm (1.46") of precipitation.

Daylight

In September, the average length of the day in Avellaneda is 11h and 53min.
On the first day of September in Avellaneda, sunrise is at 07:11 and sunset at 18:35. On the last day of the month, sunrise is at 06:30 and sunset at 18:56 -03.

Sunshine

In September, the average sunshine is 7.7h.

UV index

In Avellaneda, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for average individuals.
Note: The daily high UV index of 4 during September translates into the following recommendations:
Be vigilant - Preventing sunburn is recommended. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
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Frequently asked questions

What is the temperature in September in Avellaneda?

September temperatures in Avellaneda vary between a high-temperature of 17.4°C (63.3°F) and a low-temperature of 10.9°C (51.6°F). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which factors the actual air temperature with the relative humidity, in February is appraised at 30°C (86°F).

What is the average humidity in September in Avellaneda?

The average relative humidity in September is 74%.

What is the driest month in Avellaneda?

September is the month with the least rainfall in Avellaneda, Argentina. Rain falls for 7.6 days and accumulates 37mm (1.46") of precipitation.

How much does it rain in Avellaneda in September?

In Avellaneda, during September, the rain falls for 7.6 days and regularly aggregates up to 37mm (1.46") of precipitation.

How many hours of daylight does Avellaneda have in September?

In Avellaneda, the average day length in September is 11h and 53min.

When are sunrise and sunset in September in Avellaneda?

In September, on the first day of the month, sunrise is at 07:11 and sunset at 18:35. On the last day of the month, in Avellaneda, sunrise is at 06:30 and sunset at 18:56 -03.

How many hours of sunshine does Avellaneda have in September?

In September, the average sunshine duration in Avellaneda is 7.7h.

What is the UV index reading in September in Avellaneda?

In Avellaneda, Argentina, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium health risk from exposure to Sun's UV rays.

Average temperature in September
Avellaneda, Argentina

Average temperature in September - Avellaneda, Argentina
  • Average high temperature in September: 17.4°C

The warmest month (with the highest average high temperature) is January (29°C).
The month with the lowest average high temperature is July (13.4°C).

  • Average low temperature in September: 10.9°C

The month with the highest average low temperature is January (20.9°C).
The coldest month (with the lowest average low temperature) is July (8.9°C).

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Average pressure in September
Avellaneda, Argentina

Average pressure in September - Avellaneda, Argentina
  • Average pressure in September: 1017.9mbar

The month with the highest atmospheric pressure is July (1019.1mbar).
The month with the lowest atmospheric pressure is December (1011mbar).

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Average wind speed in September
Avellaneda, Argentina

Average wind speed in September - Avellaneda, Argentina
  • Average wind speed in September: 18.1km/h

The windiest month (with the highest average wind speed) is September (18.1km/h).
The calmest month (with the lowest average wind speed) is December (15.4km/h).

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Average humidity in September
Avellaneda, Argentina

Average humidity in September - Avellaneda, Argentina
  • Average humidity in September: 74%

The months with the highest relative humidity are May and July (75%).
The month with the lowest relative humidity is January (60%).

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Average rainfall in September
Avellaneda, Argentina

Average rainfall in September - Avellaneda, Argentina
  • Average rainfall in September: 37mm

The wettest month (with the highest rainfall) is November (72mm).
The driest month (with the least rainfall) is September (37mm).

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Average rainfall days in September
Avellaneda, Argentina

Average rainfall days in September - Avellaneda, Argentina
  • Average rainfall days in September: 7.6 days

The month with the highest number of rainy days is April (9.3 days).
The month with the least rainy days is August (6.1 days).

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Average daylight in September /
Average sunshine in September
Avellaneda, Argentina

Average daylight in September / Average sunshine in September - Avellaneda, Argentina
  • Average daylight in September: 11h and 5min

The month with the longest days is December (Average daylight: 14h and 24min).
The month with the shortest days is June (Average daylight: 9h and 54min).

  • Average sunshine in September: 7h and 4min

The month with the most sunshine is December (Average sunshine: 11h and 12min).
The month with the least sunshine is June (Average sunshine: 5h and 54min).

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Average sunshine days in September
Avellaneda, Argentina

Average sunshine days in September - Avellaneda, Argentina
  • Average sunshine days in September: 21.2 days

The month with the most sunshine days is August (23.9 days).
The month with the least sunshine days is February (18.2 days).

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Average UV index in September
Avellaneda, Argentina

Average UV index in September - Avellaneda, 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 June and July (UV index 3).

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Average cloud cover in September
Avellaneda, Argentina

Average cloud cover in September - Avellaneda, Argentina
  • Average cloud cover in September: 33

The month with the most cloud cover is July (Cloud cover 37).
The month with the least cloud cover is January (Cloud cover 16).

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Average visibility in September
Avellaneda, Argentina

Average visibility in September - Avellaneda, Argentina
  • 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).

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Avellaneda, Argentina

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