September weather forecastRafael Castillo, Argentina

September

Weather in September

September, the first month of the spring in Rafael Castillo, is still a comfortable month, with an average temperature varying between 10.4°C (50.7°F) and 17.8°C (64°F).

Temperature

With September's arrival, Rafael Castillo's weather records an average high-temperature of a still comfortable 17.8°C (64°F), marking little difference from August's 16.3°C (61.3°F). An average low-temperature of 10.4°C (50.7°F) marks the month of September.

Humidity

The average relative humidity in September in Rafael Castillo is 74%.

Rainfall

The month with the least rainfall in Rafael Castillo is September, when the rain falls for 7.5 days and typically collects 36mm (1.42") of precipitation.

Daylight

The average length of the day in September in Rafael Castillo is 11h and 53min.
On the first day of the month, sunrise is at 07:12 and sunset at 18:36. On the last day of September, sunrise is at 06:31 and sunset at 18:57 -03.

Sunshine

In Rafael Castillo, the average sunshine in September is 7.7h.

UV index

The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: The UV index of 4 during September translates into the following guidance:
Heed the precautions - It is counselled to guard against solar damage. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.

Frequently asked questions

The high-temperature in Rafael Castillo during September is 17.8°C (64°F) and the low-temperature is 10.4°C (50.7°F). In February, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is estimated at 32°C (89.6°F).

In Rafael Castillo, the average relative humidity in September is 74%.

September is the month with the least rainfall. Rain falls for 7.5 days and accumulates 36mm (1.42") of precipitation.

In Rafael Castillo, Argentina, during September, the rain falls for 7.5 days and regularly aggregates up to 36mm (1.42") of precipitation.

The average day length in September is 11h and 53min.

On the first day of September in Rafael Castillo, sunrise is at 07:12 and sunset at 18:36. On the last day of the month, sunrise is at 06:31 and sunset at 18:57 -03.

In September, the average sunshine duration in Rafael Castillo is 7.7h.

In Rafael Castillo, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health risk 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
Rafael Castillo, Argentina

  • Average high temperature in September: 17.8°C

The warmest month (with the highest average high temperature) is January (30.3°C).
The month with the lowest average high temperature is July (13.8°C).

  • Average low temperature in September: 10.4°C

The month with the highest average low temperature is January (20.2°C).
The coldest month (with the lowest average low temperature) is July (8.1°C).

Average pressure in September
Rafael Castillo, Argentina

  • Average pressure in September: 1018mbar

The month with the highest atmospheric pressure is July (1019.1mbar).
The month with the lowest atmospheric pressure is December (1011mbar).

Average wind speed in September
Rafael Castillo, Argentina

  • Average wind speed in September: 16.4km/h

The windiest month (with the highest average wind speed) is September (16.4km/h).
The calmest month (with the lowest average wind speed) is March (13.8km/h).

Average humidity in September
Rafael Castillo, Argentina

  • Average humidity in September: 74%

The month with the highest relative humidity is May (76%).
The month with the lowest relative humidity is January (57%).

Average rainfall in September
Rafael Castillo, Argentina

  • Average rainfall in September: 36mm

The wettest month (with the highest rainfall) is November (70mm).
The driest month (with the least rainfall) is September (36mm).

Average rainfall days in September
Rafael Castillo, Argentina

  • Average rainfall days in September: 7.5 days

The month with the highest number of rainy days is March (10.1 days).
The month with the least rainy days is August (5.8 days).

Average daylight in September /
Average sunshine in September
Rafael Castillo, Argentina

  • Average daylight in September: 11h and 54min

The month with the longest days is December (Average daylight: 14h and 24min).
The month with the shortest days is June (Average daylight: 9h and 54min).

  • Average sunshine in September: 7h and 42min

The month with the most sunshine is December (Average sunshine: 11h and 12min).
The month with the least sunshine is June (Average sunshine: 5h and 54min).

Average sunshine days in September
Rafael Castillo, Argentina

  • Average sunshine days in September: 20.5 days

The month with the most sunshine days is August (24.1 days).
The month with the least sunshine days is February (18.3 days).

Average UV index in September
Rafael Castillo, Argentina

  • Average UV index in September: 4

The months with the highest UV index are January, February, March, November and December (UV index 6).
The months with the lowest UV index are June and July (UV index 3).

Average cloud cover in September
Rafael Castillo, Argentina

  • Average cloud cover in September: 33

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

Average visibility in September
Rafael Castillo, 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).