September weather forecastLas Rosas, Argentina

September

Weather in September

September, the first month of the spring in Las Rosas, is a pleasant month, with an average temperature varying between 9.7°C (49.5°F) and 21.5°C (70.7°F).

Temperature

September begins with an average high-temperature of a pleasant 21.5°C (70.7°F), reflecting close similarity to the preceding month. The low-temperature average for Las Rosas during September stands at a frosty 9.7°C (49.5°F).

Humidity

In September, the average relative humidity in Las Rosas is 65%.

Rainfall

In Las Rosas, during September, the rain falls for 7.6 days and regularly aggregates up to 24mm (0.94") of precipitation. In Las Rosas, during the entire year, the rain falls for 96.3 days and collects up to 469mm (18.46") of precipitation.

Daylight

In Las Rosas, the average length of the day in September is 11h and 55min.
On the first day of September in Las Rosas, sunrise is at 07:22 and sunset at 18:49. On the last day of the month, sunrise is at 06:43 and sunset at 19:08 -03.

Sunshine

The average sunshine in September is 8.3h.

UV index

In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: A maximum high UV index of 5 in September translates into the following recommendations:
Take necessary precautions - Defending against sun damage is advocated. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.

Frequently asked questions

The high-temperature during September is 21.5°C (70.7°F) and the low-temperature is 9.7°C (49.5°F). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines relative humidity and air temperature, in March is appraised at 30°C (86°F).

The average relative humidity in September is 65%.

In Las Rosas, in September, it is raining for 7.6 days, with typically 24mm (0.94") of accumulated precipitation.

In September, the average day length is 11h and 55min.

In September, on the first day of the month, sunrise is at 07:22 and sunset at 18:49. On the last day of the month, sunrise is at 06:43 and sunset at 19:08 -03.

In September, the average sunshine duration is 8.3h.

The average daily maximum UV index in September in Las Rosas is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Las Rosas, Argentina

  • Average high temperature in September: 21.5°C

The warmest month (with the highest average high temperature) is January (33.3°C).
The month with the lowest average high temperature is July (15.8°C).

  • Average low temperature in September: 9.7°C

The month with the highest average low temperature is January (18.8°C).
The coldest month (with the lowest average low temperature) is July (7.2°C).

Average pressure in September
Las Rosas, Argentina

  • Average pressure in September: 1017mbar

The month with the highest atmospheric pressure is July (1018.9mbar).
The month with the lowest atmospheric pressure is December (1009.8mbar).

Average wind speed in September
Las Rosas, Argentina

  • Average wind speed in September: 14.9km/h

The windiest months (with the highest average wind speed) are August and September (14.9km/h).
The calmest months (with the lowest average wind speed) are February and March (11.5km/h).

Average humidity in September
Las Rosas, Argentina

  • Average humidity in September: 65%

The month with the highest relative humidity is May (73%).
The month with the lowest relative humidity is January (50%).

Average rainfall in September
Las Rosas, Argentina

  • Average rainfall in September: 24mm

The wettest month (with the highest rainfall) is December (66mm).
The driest month (with the least rainfall) is July (8mm).

Average rainfall days in September
Las Rosas, Argentina

  • Average rainfall days in September: 7.6 days

The month with the highest number of rainy days is October (12.1 days).
The month with the least rainy days is June (4.2 days).

Average daylight in September /
Average sunshine in September
Las Rosas, Argentina

  • Average daylight in September: 11h and 54min

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

  • Average sunshine in September: 8h and 18min

The month with the most sunshine is December (Average sunshine: 10h and 48min).
The month with the least sunshine is May (Average sunshine: 7h and 24min).

Average sunshine days in September
Las Rosas, Argentina

  • Average sunshine days in September: 21.2 days

The month with the most sunshine days is August (25.7 days).
The month with the least sunshine days is October (17.9 days).

Average UV index in September
Las Rosas, Argentina

  • Average UV index in September: 5

The months with the highest UV index are January and December (UV index 7).
The month with the lowest UV index is July (UV index 3).

Average cloud cover in September
Las Rosas, Argentina

  • Average cloud cover in September: 27

The month with the most cloud cover is May (Cloud cover 36).
The month with the least cloud cover is January (Cloud cover 16).

Average visibility in September
Las Rosas, Argentina

  • Average visibility in September: 10km

The months with the highest visibility are January, February, March, April, June, July, August, September, November and December (10km).
The months with the lowest visibility are May and October (9km).