September weather forecast
Castro Barros, Argentina

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Weather in September

The first month of the spring, September, is a warm month in Castro Barros, Argentina, with an average temperature ranging between max 23.9°C (75°F) and min 12.6°C (54.7°F).

Temperature

Castro Barros's weather in September shows a minor rise in the average high-temperature, moving slightly up from August's pleasant 20.8°C (69.4°F) to a warm 23.9°C (75°F). Castro Barros, during September nights, observes an average temperature of 12.6°C (54.7°F).

Humidity

The least humid month is September, with an average relative humidity of 44%.

Rainfall

In Castro Barros, Argentina, in September, during 4.3 rainfall days, 13mm (0.51") of precipitation is typically accumulated. In Castro Barros, during the entire year, the rain falls for 96.6 days and collects up to 408mm (16.06") of precipitation.

Snowfall

January through June, August through December are months without snowfall in Castro Barros.

Daylight

The average length of the day in September in Castro Barros, Argentina, is 11h and 55min.
On the first day of the month, sunrise is at 07:37 and sunset at 19:07. On the last day of September, sunrise is at 07:01 and sunset at 19:24 -03.

Sunshine

The average sunshine in September is 9.3h.

UV index

In Castro Barros, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: The daily high UV index of 5 during September translates into the following recommendations:
Put precautions into practice - Ensuring skin and eye safety is a necessity. To avoid the Sun's strongest rays, limit exposure around the mid-day period. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
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Frequently asked questions

What is the temperature in September in Castro Barros?

In Castro Barros, in September, the average high-temperature is 23.9°C (75°F), and the average low-temperature is 12.6°C (54.7°F). In March, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is computed to be 30°C (86°F).

What is the least humid month in Castro Barros?

With an average relative humidity of 44%, September is the least humid month in Castro Barros.

What is the average humidity in September in Castro Barros?

The average relative humidity in September in Castro Barros is 44%.

How many days does it rain in September in Castro Barros?

In Castro Barros, Argentina, during September, the rain falls for 4.3 days and regularly aggregates up to 13mm (0.51") of precipitation.

When it does not snow in Castro Barros?

In Castro Barros, snow does not fall in January through June, August through December.

What is the average length of the day in September in Castro Barros?

In September, the average day length in Castro Barros, Argentina, is 11h and 55min.

When is the sunrise / sunset in September in Castro Barros?

In September, on the first day of the month, sunrise is at 07:37 and sunset at 19:07. On the last day of the month, in Castro Barros, Argentina, sunrise is at 07:01 and sunset at 19:24 -03.

How many hours of sunshine does Castro Barros have in September?

In Castro Barros, Argentina, the average sunshine duration in September is 9.3h.

How high is the UV index in September in Castro Barros?

In September, the average daily maximum UV index in Castro Barros, Argentina, is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in September
Castro Barros, Argentina

Average temperature in September - Castro Barros, Argentina
  • Average high temperature in September: 23.9°C

The warmest month (with the highest average high temperature) is January (33°C).
The month with the lowest average high temperature is July (16.3°C).

  • Average low temperature in September: 12.6°C

The month with the highest average low temperature is January (22.5°C).
The coldest month (with the lowest average low temperature) is July (7.5°C).

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Average pressure in September
Castro Barros, Argentina

Average pressure in September - Castro Barros, Argentina
  • Average pressure in September: 1013.6mbar

The month with the highest atmospheric pressure is July (1016.5mbar).
The month with the lowest atmospheric pressure is December (1006.9mbar).

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Average wind speed in September
Castro Barros, Argentina

Average wind speed in September - Castro Barros, Argentina
  • Average wind speed in September: 14.4km/h

The windiest month (with the highest average wind speed) is November (16.7km/h).
The calmest month (with the lowest average wind speed) is June (9.9km/h).

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Average humidity in September
Castro Barros, Argentina

Average humidity in September - Castro Barros, Argentina
  • Average humidity in September: 44%

The month with the highest relative humidity is May (67%).
The month with the lowest relative humidity is September (44%).

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Average rainfall in September
Castro Barros, Argentina

Average rainfall in September - Castro Barros, Argentina
  • Average rainfall in September: 13mm

The wettest month (with the highest rainfall) is January (76mm).
The driest month (with the least rainfall) is August (1mm).

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Average rainfall days in September
Castro Barros, Argentina

Average rainfall days in September - Castro Barros, Argentina
  • Average rainfall days in September: 4.3 days

The month with the highest number of rainy days is December (13 days).
The month with the least rainy days is August (0.8 days).

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Average snowfall in September
Castro Barros, Argentina

Average snowfall in September - Castro Barros, Argentina
  • Average snowfall in September: 0mm

The month with the highest snowfall is July (1mm).
The months with the least snowfall are January, February, March, April, May, June, August, September, October, November and December (0mm).

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Average snowfall days in September
Castro Barros, Argentina

Average snowfall days in September - Castro Barros, Argentina
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is July (0.2 days).
The months with the least snowfall days are January, February, March, April, May, June, August, September, October, November and December (0 days).

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Average daylight in September /
Average sunshine in September
Castro Barros, Argentina

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

The month with the longest days is December (Average daylight: 14h and 6min).
The month with the shortest days is June (Average daylight: 10h and 12min).

  • Average sunshine in September: 9h and 2min

The month with the most sunshine is August (Average sunshine: 9h and 30min).
The month with the least sunshine is April (Average sunshine: 8h and 6min).

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Average sunshine days in September
Castro Barros, Argentina

Average sunshine days in September - Castro Barros, Argentina
  • Average sunshine days in September: 24.1 days

The month with the most sunshine days is August (29.8 days).
The month with the least sunshine days is February (13.9 days).

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Average UV index in September
Castro Barros, Argentina

Average UV index in September - Castro Barros, Argentina
  • Average UV index in September: 5

The months with the highest UV index are January, February and December (UV index 7).
The months with the lowest UV index are May, June and July (UV index 4).

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Average cloud cover in September
Castro Barros, Argentina

Average cloud cover in September - Castro Barros, Argentina
  • Average cloud cover in September: 16

The month with the most cloud cover is April (Cloud cover 35).
The month with the least cloud cover is August (Cloud cover 11).

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Average visibility in September
Castro Barros, Argentina

Average visibility in September - Castro Barros, 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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Castro Barros, Argentina

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