September weather forecastRenca, Chile

September

Weather in September

The first month of the spring, September, is also an enjoyable month in Renca, Chile, with an average temperature fluctuating between 5.5°C (41.9°F) and 18.5°C (65.3°F).

Temperature

The arrival of September denotes a barely perceptible change in the average high-temperatures to a still enjoyable 18.5°C (65.3°F) from August's 16.5°C (61.7°F). Despite the hot September days, Renca's nights see an average temperature plunge to a wintry 5.5°C (41.9°F).

Humidity

The average relative humidity in September in Renca is 58%.

Rainfall

In September, in Renca, the rain falls for 5.8 days. Throughout September, 19mm (0.75") of precipitation is accumulated. In Renca, Chile, during the entire year, the rain falls for 44.8 days and collects up to 203mm (7.99") of precipitation.

Daylight

The average length of the day in September in Renca, Chile, is 11h and 54min.
On the first day of September in Renca, sunrise is at 06:59 and sunset at 18:25 -04. On the last day of the month, sunrise is at 07:20 and sunset at 19:45 -03.
Note: On Sunday, 08. September 2024, at 00:00, Daylight Saving Time starts, and the time zone changes from -04 to -03. Daylight Saving Time lasts until Sunday, 06. April 2025, at 00:00; consequently, the time zone reverts from -03 to -04.

Sunshine

The average sunshine in September is 8.9h.

UV index

June, July and September, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: An average maximum UV index of 3 in September leads to these recommendations:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Around midday, solar radiation is most harmful; hence, exposure should be limited. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.

Frequently asked questions

The high-temperature, in September, in Renca, records 18.5°C (65.3°F), while the low-temperature is 5.5°C (41.9°F). The average heat index (a.k.a. 'real feel', 'feels like'), which factors the actual air temperature with the relative humidity, in March is computed to be 27°C (80.6°F).

In September, the average relative humidity in Renca is 58%.

In Renca, during September, the rain falls for 5.8 days and regularly aggregates up to 19mm (0.75") of precipitation.

In September, the average day length in Renca is 11h and 54min.

On the first day of September in Renca, Chile, sunrise is at 06:59 and sunset at 18:25 -04. On the last day of the month, sunrise is at 07:20 and sunset at 19:45 -03.

On Sunday, 08. September 2024, at 00:00, Daylight Saving Time starts, and the time zone changes from -04 to -03. DST ends on Sunday, 06. April 2025, at 00:00.

In Renca, Chile, the average sunshine duration in September is 8.9h.

The months with the lowest UV index are June, July and September, with an average maximum UV index of 3.

In Renca, Chile, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes 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
Renca, Chile

  • Average high temperature in September: 18.5°C

The warmest month (with the highest average high temperature) is January (28.8°C).
The month with the lowest average high temperature is July (14°C).

  • Average low temperature in September: 5.5°C

The month with the highest average low temperature is January (13.7°C).
The coldest month (with the lowest average low temperature) is July (4.6°C).

Average pressure in September
Renca, Chile

  • Average pressure in September: 1019.1mbar

The month with the highest atmospheric pressure is July (1019.6mbar).
The month with the lowest atmospheric pressure is February (1014.5mbar).

Average wind speed in September
Renca, Chile

  • Average wind speed in September: 6km/h

The windiest month (with the highest average wind speed) is January (7.6km/h).
The calmest month (with the lowest average wind speed) is May (5.5km/h).

Average humidity in September
Renca, Chile

  • Average humidity in September: 58%

The months with the highest relative humidity are July and August (59%).
The months with the lowest relative humidity are March and April (42%).

Average rainfall in September
Renca, Chile

  • Average rainfall in September: 19mm

The wettest month (with the highest rainfall) is June (67mm).
The driest months (with the least rainfall) are February and March (1mm).

Average rainfall days in September
Renca, Chile

  • Average rainfall days in September: 5.8 days

The month with the highest number of rainy days is June (6.8 days).
The month with the least rainy days is February (0.8 days).

Average daylight in September /
Average sunshine in September
Renca, Chile

  • Average daylight in September: 11h and 54min

The month with the longest days is December (Average daylight: 14h and 18min).
The month with the shortest days is June (Average daylight: 10h and 0min).

  • Average sunshine in September: 8h and 54min

The month with the most sunshine is February (Average sunshine: 10h and 0min).
The month with the least sunshine is June (Average sunshine: 8h and 18min).

Average sunshine days in September
Renca, Chile

  • Average sunshine days in September: 23.5 days

The months with the most sunshine days are January and March (29.1 days).
The month with the least sunshine days is June (23 days).

Average UV index in September
Renca, Chile

  • Average UV index in September: 3

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

Average cloud cover in September
Renca, Chile

  • Average cloud cover in September: 21

The month with the most cloud cover is June (Cloud cover 26).
The month with the least cloud cover is February (Cloud cover 3).

Average visibility in September
Renca, Chile

  • 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).