September weather forecast
Formosa, Argentina

Weather in September

September, the first month of the spring in Formosa, is still a warm month, with an average temperature fluctuating between 15.3°C (59.5°F) and 27°C (80.6°F).

Temperature

In Formosa, Argentina, the average high-temperature in September is practically the same as in August - a still moderately hot 27°C (80.6°F). In Formosa, Argentina, the average low-temperature is 15.3°C (59.5°F).

Heat index

The average heat index in September is computed to be 29°C (84.2°F). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature', 'feels like', 'real feel', or 'felt air temperature', is a measure of how hot it feels when the actual air humidity is factored in. This effect is individual, with diverse people perceiving weather differently for numerous reasons (clothing, wind, metabolic differences), and activity. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

In Formosa, the average relative humidity in September is 70%.

Rainfall

In Formosa, Argentina, during September, the rain falls for 8.5 days and regularly aggregates up to 29mm (1.14") of precipitation. Throughout the year, there are 138.6 rainfall days, and 788mm (31.02") of precipitation is accumulated.

Daylight

In September, the average length of the day is 11h and 57min.
On the first day of September, sunrise is at 07:04 and sunset at 18:40. On the last day of the month, sunrise is at 06:32 and sunset at 18:52 -03.

Sunshine

In September, the average sunshine is 8.4h.

UV index

In Formosa, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: In September, the average maximum UV index of 6 translate into the following recommendations:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in September in Formosa?

In Formosa, in September, the average high-temperature is 27°C (80.6°F), and the average low-temperature is 15.3°C (59.5°F). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in September is computed to be 29°C (84.2°F).

What is the average humidity in September in Formosa?

In September, the average relative humidity in Formosa, Argentina, is 70%.

How much does it rain in Formosa in September?

In Formosa, Argentina, in September, it is raining for 8.5 days, with typically 29mm (1.14") of accumulated precipitation.

How many hours of daylight does Formosa have in September?

In Formosa, the average day length in September is 11h and 57min.

When are sunrise and sunset in September in Formosa?

On the first day of September in Formosa, Argentina, sunrise is at 07:04 and sunset at 18:40. On the last day of the month, sunrise is at 06:32 and sunset at 18:52 -03.

How long on average sun shines in September in Formosa?

In Formosa, the average sunshine duration in September is 8.4h.

How high is the UV index in September in Formosa?

In September, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health from unsafe exposure to Sun's UV rays.

Average temperature in September
Formosa, Argentina

Average temperature in September - Formosa, Argentina
  • Average high temperature in September: 27°C

The warmest month (with the highest average high temperature) is January (34.2°C).
The month with the lowest average high temperature is July (20.5°C).

  • Average low temperature in September: 15.3°C

The month with the highest average low temperature is January (22.7°C).
The coldest month (with the lowest average low temperature) is July (11.8°C).

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Average pressure in September
Formosa, Argentina

Average pressure in September - Formosa, Argentina
  • Average pressure in September: 1013.7mbar

The month with the highest atmospheric pressure is July (1017.3mbar).
The month with the lowest atmospheric pressure is December (1007.8mbar).

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Average wind speed in September
Formosa, Argentina

Average wind speed in September - Formosa, Argentina
  • Average wind speed in September: 11.2km/h

The windiest month (with the highest average wind speed) is August (11.4km/h).
The calmest month (with the lowest average wind speed) is March (8.5km/h).

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Average humidity in September
Formosa, Argentina

Average humidity in September - Formosa, Argentina
  • Average humidity in September: 70%

The months with the highest relative humidity are May and June (84%).
The month with the lowest relative humidity is January (65%).

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Average rainfall in September
Formosa, Argentina

Average rainfall in September - Formosa, Argentina
  • Average rainfall in September: 29mm

The wettest month (with the highest rainfall) is November (112mm).
The driest month (with the least rainfall) is August (21mm).

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Average rainfall days in September
Formosa, Argentina

Average rainfall days in September - Formosa, Argentina
  • Average rainfall days in September: 8.5 days

The month with the highest number of rainy days is January (14.3 days).
The month with the least rainy days is August (6.7 days).

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

Average daylight in September / Average sunshine in September - Formosa, Argentina
  • Average daylight in September: 11h and 57min

The month with the longest days is December (Average daylight: 13h and 45min).
The month with the shortest days is June (Average daylight: 10h and 32min).

  • Average sunshine in September: 8h and 24min

The months with the most sunshine are November and December (Average sunshine: 10h and 12min).
The month with the least sunshine is May (Average sunshine: 6h and 42min).

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Average sunshine days in September
Formosa, Argentina

Average sunshine days in September - Formosa, Argentina
  • Average sunshine days in September: 19.5 days

The month with the most sunshine days is August (22.8 days).
The month with the least sunshine days is February (12.8 days).

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Average UV index in September
Formosa, Argentina

Average UV index in September - Formosa, Argentina
  • Average UV index in September: 6

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

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Average cloud cover in September
Formosa, Argentina

Average cloud cover in September - Formosa, Argentina
  • Average cloud cover in September: 29

The month with the most cloud cover is May (Cloud cover 51).
The month with the least cloud cover is November (Cloud cover 26).

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Average visibility in September
Formosa, Argentina

Average visibility in September - Formosa, Argentina
  • Average visibility in September: 9km

The months with the highest visibility are January, February, March, August, September, October, November and December (9km).
The month with the lowest visibility is May (7km).

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