September weather forecastNapenay, Argentina

September

Weather in September

The first month of the spring, September, is still a warm month in Napenay, Argentina, with an average temperature ranging between min 14.3°C (57.7°F) and max 26.3°C (79.3°F).

Temperature

August's transformation into September witnesses an average high-temperature of a still moderately hot 26.3°C (79.3°F), noting a minor change from the preceding month. Despite a significant deviation from daily highs, September sees an average nighttime temperature of 14.3°C (57.7°F).

Humidity

The average relative humidity in September is 67%.

Rainfall

In Napenay, Argentina, during September, the rain falls for 7.4 days and regularly aggregates up to 22mm (0.87") of precipitation. Throughout the year, there are 121 rainfall days, and 618mm (24.33") of precipitation is accumulated.

Daylight

In Napenay, the average length of the day in September is 11h and 57min.
On the first day of September in Napenay, sunrise is at 07:14 and sunset at 18:50. On the last day of the month, sunrise is at 06:42 and sunset at 19:02 -03.

Sunshine

In September, the average sunshine is 8.3h.

UV index

In Napenay, the average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: A daily high UV index of 6 in September leads to these guidelines:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Tightly woven clothing, when worn loosely, shields effectively against the Sun.

Updated: Jan 25, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The high-temperature, in September, in Napenay, is 26.3°C (79.3°F), while the low-temperature averages to 14.3°C (57.7°F). In April, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is estimated at 30°C (86°F).

The average relative humidity in September in Napenay, Argentina, is 67%.

In Napenay, Argentina, during September, the rain falls for 7.4 days and regularly aggregates up to 22mm (0.87") of precipitation.

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

In September, on the first day of the month, sunrise is at 07:14 and sunset at 18:50. On the last day of the month, in Napenay, sunrise is at 06:42 and sunset at 19:02 -03.

The average sunshine duration in September in Napenay is 8.3h.

In September, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to UV radiation.

Today

Tomorrow

Long-term

Year J F M A M J J A September O N D

Aug

September

Oct

Average high temperature

24.1°C

26.3°C

28.3°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

13.7km/h

12.9km/h

13.3km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

25.2

21.6

17.7

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Napenay, Argentina

Average high temperature in September: 26.3°C

The warmest month (with the highest average high temperature) is January (33.7°C).
The month with the lowest average high temperature is July (20.1°C).

Average low temperature in September: 14.3°C

The month with the highest average low temperature is February (21.9°C).
The coldest month (with the lowest average low temperature) is July (10.8°C).

Average pressure in September
Napenay, Argentina

Average pressure in September: 1014.1mbar

The month with the highest atmospheric pressure is July (1017.4mbar).
The month with the lowest atmospheric pressure is December (1008mbar).

Average wind speed in September
Napenay, Argentina

Average wind speed in September: 12.5km/h

The windiest month (with the highest average wind speed) is August (12.9km/h).
The calmest month (with the lowest average wind speed) is March (9.5km/h).

Average humidity in September
Napenay, Argentina

Average humidity in September: 67%

The month with the highest relative humidity is May (82%).
The month with the lowest relative humidity is January (64%).

Average rainfall in September
Napenay, Argentina

Average rainfall in September: 22mm

The wettest month (with the highest rainfall) is January (92mm).
The driest month (with the least rainfall) is August (12mm).

Average rainfall days in September
Napenay, Argentina

Average rainfall days in September: 7.4 days

The month with the highest number of rainy days is December (12.5 days).
The month with the least rainy days is August (4.9 days).

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

Average daylight in September: 11h and 54min

The month with the longest days is December (Average daylight: 13h and 48min).
The month with the shortest days is June (Average daylight: 10h and 30min).

Average sunshine in September: 8h and 18min

The month with the most sunshine is January (Average sunshine: 8h and 54min).
The month with the least sunshine is May (Average sunshine: 6h and 30min).

Average sunshine days in September
Napenay, Argentina

Average sunshine days in September: 21.6 days

The month with the most sunshine days is August (25.2 days).
The month with the least sunshine days is February (15.5 days).

Average UV index in September
Napenay, 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).