September weather forecast
Rosario de la Frontera, Argentina

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Weather in September

The first month of the spring, September, is a warm month in Rosario de la Frontera, Argentina, with temperature in the range of an average low of 11.5°C (52.7°F) and an average high of 23.2°C (73.8°F).

Temperature

September's onset records an average high-temperature of a moderately hot 23.2°C (73.8°F), a near match to August's 21.3°C (70.3°F). The low-temperature average for Rosario de la Frontera during September stands at a cool 11.5°C (52.7°F).

Humidity

In Rosario de la Frontera, Argentina, the average relative humidity in September is 56%.

Rainfall

In September, in Rosario de la Frontera, the rain falls for 8 days. Throughout September, 15mm (0.59") of precipitation is accumulated. Throughout the year, there are 180.2 rainfall days, and 901mm (35.47") of precipitation is accumulated.

Snowfall

January through June, August through December are months without snowfall.

Daylight

The average length of the day in September is 11h and 58min.
On the first day of September, sunrise is at 07:31 and sunset at 19:08. On the last day of the month, sunrise is at 06:59 and sunset at 19:19 -03.

Sunshine

In September, the average sunshine in Rosario de la Frontera is 9h.

UV index

The average daily maximum UV index in September in Rosario de la Frontera is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.
Note: An average UV index of 5 in September transforms into this advice:
Undertake protective steps - Recommendations to avoid sunburn are issued. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
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Frequently asked questions

What is the temperature in September in Rosario de la Frontera?

In Rosario de la Frontera, in September, the average high-temperature is 23.2°C (73.8°F), and the average low-temperature is 11.5°C (52.7°F). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, in January is estimated at 31°C (87.8°F).

What is the average humidity in September in Rosario de la Frontera?

In Rosario de la Frontera, Argentina, the average relative humidity in September is 56%.

How many days does it rain in September in Rosario de la Frontera?

In Rosario de la Frontera, Argentina, during September, the rain falls for 8 days and regularly aggregates up to 15mm (0.59") of precipitation.

When it does not snow in Rosario de la Frontera?

In Rosario de la Frontera, Argentina, snow does not fall in January through June, August through December.

What is the average length of the day in September in Rosario de la Frontera?

In Rosario de la Frontera, the average day length in September is 11h and 58min.

When is the sunrise / sunset in September in Rosario de la Frontera?

On the first day of September, sunrise is at 07:31 and sunset at 19:08. On the last day of the month, sunrise is at 06:59 and sunset at 19:19 -03.

How many hours of sunshine does Rosario de la Frontera have in September?

In Rosario de la Frontera, Argentina, the average sunshine duration in September is 9h.

What is the UV index intensity in September in Rosario de la Frontera?

The average daily maximum UV index in September in Rosario de la Frontera is 5. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unsafe 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
Rosario de la Frontera, Argentina

Average temperature in September - Rosario de la Frontera, Argentina
  • Average high temperature in September: 23.2°C

The warmest month (with the highest average high temperature) is December (28.3°C).
The month with the lowest average high temperature is July (17.5°C).

  • Average low temperature in September: 11.5°C

The month with the highest average low temperature is January (17.5°C).
The coldest month (with the lowest average low temperature) is July (7°C).

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Average pressure in September
Rosario de la Frontera, Argentina

Average pressure in September - Rosario de la Frontera, Argentina
  • Average pressure in September: 1013.9mbar

The month with the highest atmospheric pressure is July (1016.5mbar).
The month with the lowest atmospheric pressure is December (1008.9mbar).

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Average wind speed in September
Rosario de la Frontera, Argentina

Average wind speed in September - Rosario de la Frontera, Argentina
  • Average wind speed in September: 11.2km/h

The windiest month (with the highest average wind speed) is October (11.6km/h).
The calmest month (with the lowest average wind speed) is May (8.8km/h).

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Average humidity in September
Rosario de la Frontera, Argentina

Average humidity in September - Rosario de la Frontera, Argentina
  • Average humidity in September: 56%

The month with the highest relative humidity is April (83%).
The month with the lowest relative humidity is August (54%).

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Average rainfall in September
Rosario de la Frontera, Argentina

Average rainfall in September - Rosario de la Frontera, Argentina
  • Average rainfall in September: 15mm

The wettest month (with the highest rainfall) is January (199mm).
The driest month (with the least rainfall) is August (4mm).

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Average rainfall days in September
Rosario de la Frontera, Argentina

Average rainfall days in September - Rosario de la Frontera, Argentina
  • Average rainfall days in September: 8 days

The month with the highest number of rainy days is January (23.6 days).
The month with the least rainy days is August (3.3 days).

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Average snowfall in September
Rosario de la Frontera, Argentina

Average snowfall in September - Rosario de la Frontera, Argentina
  • Average snowfall in September: 0mm

The month with the highest snowfall is July (8mm).
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
Rosario de la Frontera, Argentina

Average snowfall days in September - Rosario de la Frontera, Argentina
  • Average snowfall days in September: 0.2 days

The month with the highest number of snowfall days is July (0.5 days).
The months with the least snowfall days are January, February, March, April, May, June, October, November and December (0 days).

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Average daylight in September /
Average sunshine in September
Rosario de la Frontera, Argentina

Average daylight in September / Average sunshine in September - Rosario de la Frontera, Argentina
  • Average daylight in September: 12h and 0min

The month with the longest days is December (Average daylight: 13h and 42min).
The month with the shortest days is June (Average daylight: 10h and 36min).

  • Average sunshine in September: 9h and 0min

The month with the most sunshine is August (Average sunshine: 9h and 36min).
The month with the least sunshine is April (Average sunshine: 6h and 54min).

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Average sunshine days in September
Rosario de la Frontera, Argentina

Average sunshine days in September - Rosario de la Frontera, Argentina
  • Average sunshine days in September: 19.5 days

The month with the most sunshine days is August (26.3 days).
The month with the least sunshine days is February (4.6 days).

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Average UV index in September
Rosario de la Frontera, Argentina

Average UV index in September - Rosario de la Frontera, Argentina
  • Average UV index in September: 5

The months with the highest UV index are January, October and December (UV index 6).
The months with the lowest UV index are April, May, June and July (UV index 4).

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Average cloud cover in September
Rosario de la Frontera, Argentina

Average cloud cover in September - Rosario de la Frontera, Argentina
  • Average cloud cover in September: 22

The month with the most cloud cover is April (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 13).

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Average visibility in September
Rosario de la Frontera, Argentina

Average visibility in September - Rosario de la Frontera, Argentina
  • Average visibility in September: 10km

The months with the highest visibility are August, September and October (10km).
The months with the lowest visibility are March, April and May (8km).

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Rosario de la Frontera, Argentina

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