September weather forecastIquique, Chile

September

Weather in September

As spring progresses in September, a gradual rise in temperature and daylight hours becomes more noticeable. Iquique experiences cooler evening breezes averaging about 10.9km/h (6.8mph), ideal for evening strolls. Relative humidity remains at 73%, maintaining and complimenting the pleasant weather conditions. Weather transitions during this month remain mild and appealing to visitors.

Temperature

September's beginning in Iquique, Chile, signals an average high-temperature of a still refreshing 18.5°C (65.3°F), barely different from August's 18°C (64.4°F). The nighttime temperature in Iquique, Chile, dips to a cool 12.9°C (55.2°F) on average during September.

Humidity

January, August through December, with an average relative humidity of 73%, are the least humid months.

Rainfall

In Iquique, in September, during 1.3 rainfall days, 1mm (0.04") of precipitation is typically accumulated. Throughout the year, in Iquique, there are 17.8 rainfall days, and 15mm (0.59") of precipitation is accumulated.

Sea temperature

In Iquique, Chile, in September, the average water temperature is 17°C (62.6°F).
Note: For the majority, swimming in water with a temperature of 17°C (62.6°F) is not enjoyable. The difficulty in managing breathing rises as the temperature decreases from 21°C (69.8°F) to 15°C (59°F).

Daylight

In Iquique, the average length of the day in September is 11h and 59min.
On the first day of September, sunrise is at 06:48 and sunset at 18:32 -04. On the last day of the month, sunrise is at 07:21 and sunset at 19:38 -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

March, June, August through November, with an average of 9.9h of sunshine, are months with the most sunshine.

UV index

April through December, with an average maximum UV index of 5, are months with the lowest UV index in Iquique. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum UV index of 5 during September translates into these guidelines:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.

Updated: Jan 24, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

An average high-temperature, in September, in Iquique, is 18.5°C (65.3°F) and the average low-temperature is 12.9°C (55.2°F).

January, August through December, with an average relative humidity of 73%, are the least humid months in Iquique, Chile.

In Iquique, the average relative humidity in September is 73%.

In Iquique, Chile, in September, it is raining for 1.3 days, with typically 1mm (0.04") of accumulated precipitation.

In Iquique, Chile, in September, the average water temperature is 17°C (62.6°F). For swimming, a surface water temperature of 17°C (62.6°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).

The average day length in September in Iquique is 11h and 59min.

In September, on the first day of the month, sunrise is at 06:48 and sunset at 18:32 -04. On the last day of the month, in Iquique, Chile, sunrise is at 07:21 and sunset at 19:38 -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 months with the most sunshine in Iquique, Chile, are March, June, August through November, with an average of 9.9h of sunshine.

In September, the average sunshine duration in Iquique, Chile, is 9.9h.

The months with the lowest UV index in Iquique, Chile, are April through December, with an average maximum UV index of 5.

In September, the average daily maximum UV index in Iquique is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat 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

18°C

18.5°C

19.4°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

10.8km/h

11.5km/h

12.4km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

0.8

1.3

0.5

Average sea temperature

Average daylight

Average sunshine

Average sunshine days

26.7

25.5

27.7

Average UV index

Average cloud cover

Average visibility

10km

Average temperature in September
Iquique, Chile

Average high temperature in September: 18.5°C

The warmest month (with the highest average high temperature) is February (23.9°C).
The month with the lowest average high temperature is August (18°C).

Average low temperature in September: 12.9°C

The month with the highest average low temperature is February (19.4°C).
The coldest month (with the lowest average low temperature) is August (12.1°C).

Average pressure in September
Iquique, Chile

Average pressure in September: 1015.7mbar

The month with the highest atmospheric pressure is July (1016.1mbar).
The month with the lowest atmospheric pressure is February (1012.6mbar).

Average wind speed in September
Iquique, Chile

Average wind speed in September: 10.9km/h

The windiest month (with the highest average wind speed) is April (11.4km/h).
The calmest month (with the lowest average wind speed) is August (9.8km/h).

Average humidity in September
Iquique, Chile

Average humidity in September: 73%

The months with the highest relative humidity are April and May (76%).
The months with the lowest relative humidity are January, August, September, October, November and December (73%).

Average rainfall in September
Iquique, Chile

Average rainfall in September: 1mm

The wettest month (with the highest rainfall) is February (3mm).
The driest month (with the least rainfall) is November (0mm).

Average rainfall days in September
Iquique, Chile

Average rainfall days in September: 1.3 days

The month with the highest number of rainy days is February (2.9 days).
The month with the least rainy days is November (0.2 days).

Average sea temperature in September
Iquique, Chile

Average sea temperature in September: 17°C

The best month for swimming (with the highest average sea temperature) is February (22.8°C).
The coldest months (with the lowest average sea temperature) are July and August (16.8°C).

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

Average daylight in September: 12h and 0min

The month with the longest days is December (Average daylight: 13h and 18min).
The month with the shortest days is June (Average daylight: 10h and 54min).

Average sunshine in September: 9h and 54min

The months with the most sunshine are March, June, August, September, October and November (Average sunshine: 9h and 54min).
The months with the least sunshine are January, February, April, May, July and December (Average sunshine: 9h and 48min).

Average sunshine days in September
Iquique, Chile

Average sunshine days in September: 25.5 days

The month with the most sunshine days is March (29.8 days).
The month with the least sunshine days is February (24.2 days).

Average UV index in September
Iquique, Chile

Average UV index in September: 5

The months with the highest UV index are January, February and March (UV index 6).
The months with the lowest UV index are April, May, June, July, August, September, October, November and December (UV index 5).

Average cloud cover in September
Iquique, Chile

Average cloud cover in September: 7

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

Average visibility in September
Iquique, 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).