September weather forecastPuerto Chacabuco, Chile

September

Weather in September

September, the first month of the spring in Puerto Chacabuco, is a frosty month, with an average temperature ranging between max 6.3°C (43.3°F) and min 0.4°C (32.7°F).

Temperature

The transition into September shows a subtle variation to a chilly 6.3°C (43.3°F) from August's 4.6°C (40.3°F) in the average high-temperature. During September, Puerto Chacabuco records an average temperature of 0.4°C (32.7°F) at night.

Humidity

The average relative humidity in September is 91%.

Rainfall

In Puerto Chacabuco, during September, the rain falls for 23.6 days and regularly aggregates up to 197mm (7.76") of precipitation. Throughout the year, there are 281.3 rainfall days, and 3080mm (121.26") of precipitation is accumulated.

Snowfall

Months with snowfall are June through November. In Puerto Chacabuco, in September, snow falls for 1.5 days, with typically accumulated 25mm (0.98") of snow. Throughout the year, there are 8.6 snowfall days, and 170mm (6.69") of snow is accumulated.

Sea temperature

July through September, with an average sea temperature of 9.1°C (48.4°F), are months with the coldest seawater.
Note: It is advised against swimming in 9.1°C (48.4°F) when it drops below 10°C (50°F). Such temperatures can cause extreme cold shock, leading to hyperventilation.

Daylight

In Puerto Chacabuco, the average length of the day in September is 11h and 49min.
On the first day of the month, sunrise is at 07:18 and sunset at 18:23 -04. On the last day of September, sunrise is at 07:23 and sunset at 19:58 -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 3.6h.

UV index

May through July and September, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: An average UV index of 1 in September transforms into this advice:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.

Updated: Jun 12, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

September temperatures in Puerto Chacabuco vary between a high-temperature of 6.3°C (43.3°F) and a low-temperature of 0.4°C (32.7°F).

In September, the average relative humidity is 91%.

In Puerto Chacabuco, in September, during 23.6 rainfall days, 197mm (7.76") of precipitation is typically accumulated.

In Puerto Chacabuco, in September, snow falls for 1.5 days, with typically accumulated 25mm (0.98") of snow.

July through September, with an average sea temperature of 9.1°C (48.4°F), are months with the coldest seawater.

In Puerto Chacabuco, the average seawater temperature in September is 9.1°C (48.4°F). Swimming in 9.1°C (48.4°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique.

The average day length in September is 11h and 49min.

In September, on the first day of the month, sunrise is at 07:18 and sunset at 18:23 -04. On the last day of the month, sunrise is at 07:23 and sunset at 19:58 -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 3.6h.

May through July and September, with an average maximum UV index of 1, are months with the lowest UV index.

In Puerto Chacabuco, Chile, the average daily maximum UV index in September is 1. A UV Index of 2, and less, symbolizes a minimal hazard to health 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

4.6°C

6.3°C

8.6°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

9.4km/h

8.8km/h

9.5km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

1.8

1.5

0.7

Average sea temperature

Average daylight

Average sunshine

Average sunshine days

5.1

5.9

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Puerto Chacabuco, Chile

Average high temperature in September: 6.3°C

The warmest month (with the highest average high temperature) is February (14°C).
The month with the lowest average high temperature is July (3.7°C).

Average low temperature in September: 0.4°C

The month with the highest average low temperature is January (5.8°C).
The coldest month (with the lowest average low temperature) is July (-0.8°C).

Average pressure in September
Puerto Chacabuco, Chile

Average pressure in September: 1016mbar

The month with the highest atmospheric pressure is September (1016mbar).
The month with the lowest atmospheric pressure is June (1011.9mbar).

Average wind speed in September
Puerto Chacabuco, Chile

Average wind speed in September: 8.6km/h

The windiest month (with the highest average wind speed) is January (10.6km/h).
The calmest month (with the lowest average wind speed) is September (8.6km/h).

Average humidity in September
Puerto Chacabuco, Chile

Average humidity in September: 91%

The month with the highest relative humidity is July (94%).
The month with the lowest relative humidity is January (87%).

Average rainfall in September
Puerto Chacabuco, Chile

Average rainfall in September: 197mm

The wettest month (with the highest rainfall) is June (372mm).
The driest month (with the least rainfall) is February (163mm).

Average rainfall days in September
Puerto Chacabuco, Chile

Average rainfall days in September: 23.6 days

The months with the highest number of rainy days are August and December (25.1 days).
The month with the least rainy days is February (19.6 days).

Average snowfall in September
Puerto Chacabuco, Chile

Average snowfall in September: 25mm

The month with the highest snowfall is August (65mm).
The months with the least snowfall are January, February, March, April, May and December (0mm).

Average snowfall days in September
Puerto Chacabuco, Chile

Average snowfall days in September: 1.5 days

The month with the highest number of snowfall days is July (3 days).
The months with the least snowfall days are January, February, March, April, May and December (0 days).

Average sea temperature in September
Puerto Chacabuco, Chile

Average sea temperature in September: 9.1°C

The best month for swimming (with the highest average sea temperature) is February (13.3°C).
The coldest months (with the lowest average sea temperature) are July, August and September (9.1°C).

Average daylight in September /
Average sunshine in September
Puerto Chacabuco, Chile

Average daylight in September: 11h and 48min

The month with the longest days is December (Average daylight: 15h and 36min).
The month with the shortest days is June (Average daylight: 8h and 48min).

Average sunshine in September: 3h and 36min

The months with the most sunshine are January and December (Average sunshine: 5h and 0min).
The month with the least sunshine is July (Average sunshine: 2h and 18min).

Average sunshine days in September
Puerto Chacabuco, Chile

Average sunshine days in September: 5.1 days

The month with the most sunshine days is February (7 days).
The month with the least sunshine days is November (4.1 days).

Average UV index in September
Puerto Chacabuco, Chile

Average UV index in September: 1

The months with the highest UV index are January, February and December (UV index 3).
The months with the lowest UV index are May, June, July and September (UV index 1).

Average cloud cover in September
Puerto Chacabuco, Chile

Average cloud cover in September: 74

The months with the most cloud cover are August and November (Cloud cover 77).
The month with the least cloud cover is February (Cloud cover 70).

Average visibility in September
Puerto Chacabuco, Chile

Average visibility in September: 6km

The months with the highest visibility are January, February, April, May, June, October, November and December (7km).
The months with the lowest visibility are March, July, August and September (6km).