September weather forecastGuayacán, Chile

September

Weather in September

The first month of the spring, September, is still a refreshing month in Guayacán, Chile, with an average temperature varying between 12.2°C (54°F) and 17.5°C (63.5°F).

Temperature

Transitioning into September, Guayacán experiences an average high-temperature of a still refreshing 17.5°C (63.5°F), marking a minor shift from the preceding month. During September, Guayacán records an average temperature of 12.2°C (54°F) at night.

Humidity

In Guayacán, the average relative humidity in September is 67%.

Rainfall

In September, the rain falls for 1.5 days. Throughout September, 1mm (0.04") of precipitation is accumulated. In Guayacán, Chile, during the entire year, the rain falls for 17.5 days and collects up to 44mm (1.73") of precipitation.

Daylight

The average length of the day in September is 11h and 56min.
On the first day of September, sunrise is at 06:59 and sunset at 18:30 -04. On the last day of the month, sunrise is at 07:23 and sunset at 19:46 -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

In September, the average sunshine is 9.5h.

UV index

The months with the lowest UV index are June through September, with an average maximum UV index of 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.
Note: The maximum UV index of 4 during September translates into these guidelines:
Guard yourself - Precautionary measures against sun damage are advocated. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days.

Frequently asked questions

In Guayacán, in September, the average high-temperature is 17.5°C (63.5°F), and the average low-temperature is 12.2°C (54°F).

In September, the average relative humidity is 67%.

In Guayacán, in September, during 1.5 rainfall days, 1mm (0.04") of precipitation is typically accumulated.

In September, the average day length is 11h and 56min.

In September, on the first day of the month, sunrise is at 06:59 and sunset at 18:30 -04. On the last day of the month, sunrise is at 07:23 and sunset at 19:46 -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.

The average sunshine duration in September is 9.5h.

June through September, with an average maximum UV index of 4, are months with the lowest UV index.

The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate vulnerability from 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
Guayacán, Chile

  • Average high temperature in September: 17.5°C

The warmest month (with the highest average high temperature) is February (22.3°C).
The month with the lowest average high temperature is July (16.3°C).

  • Average low temperature in September: 12.2°C

The month with the highest average low temperature is February (17°C).
The coldest month (with the lowest average low temperature) is July (11.7°C).

Average pressure in September
Guayacán, Chile

  • Average pressure in September: 1018.3mbar

The month with the highest atmospheric pressure is July (1018.9mbar).
The month with the lowest atmospheric pressure is February (1014.1mbar).

Average wind speed in September
Guayacán, Chile

  • Average wind speed in September: 12.9km/h

The windiest month (with the highest average wind speed) is November (13.5km/h).
The calmest month (with the lowest average wind speed) is May (9.9km/h).

Average humidity in September
Guayacán, Chile

  • Average humidity in September: 67%

The months with the highest relative humidity are January and February (73%).
The months with the lowest relative humidity are June and July (66%).

Average rainfall in September
Guayacán, Chile

  • Average rainfall in September: 1mm

The wettest month (with the highest rainfall) is June (20mm).
The driest months (with the least rainfall) are January, November and December (0mm).

Average rainfall days in September
Guayacán, Chile

  • Average rainfall days in September: 1.5 days

The month with the highest number of rainy days is June (3.1 days).
The month with the least rainy days is November (0.3 days).

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

  • Average daylight in September: 11h and 54min

The month with the longest days is December (Average daylight: 14h and 0min).
The month with the shortest days is June (Average daylight: 10h and 12min).

  • Average sunshine in September: 9h and 30min

The months with the most sunshine are January, February and December (Average sunshine: 9h and 54min).
The months with the least sunshine are May, June and July (Average sunshine: 9h and 6min).

Average sunshine days in September
Guayacán, Chile

  • Average sunshine days in September: 28.3 days

The month with the most sunshine days is March (29.9 days).
The month with the least sunshine days is June (26.5 days).

Average UV index in September
Guayacán, Chile

  • Average UV index in September: 4

The month with the highest UV index is January (UV index 6).
The months with the lowest UV index are June, July, August and September (UV index 4).

Average cloud cover in September
Guayacán, Chile

  • Average cloud cover in September: 12

The month with the most cloud cover is May (Cloud cover 16).
The month with the least cloud cover is February (Cloud cover 6).

Average visibility in September
Guayacán, 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).