September weather forecastPuerto Cisnes, Chile

September

Weather in September

September, the first month of the spring in Puerto Cisnes, is a frosty month, with an average temperature fluctuating between -0.4°C (31.3°F) and 6.3°C (43.3°F).

Temperature

The transition into September notes an average high-temperature of a chilly 6.3°C (43.3°F), revealing a mild distinction from the 4.5°C (40.1°F) in August. The average temperature during September nights in Puerto Cisnes is registered at a freezing cold -0.4°C (31.3°F).

Humidity

The average relative humidity in September in Puerto Cisnes is 90%.

Rainfall

In September, in Puerto Cisnes, the rain falls for 23 days. Throughout September, 146mm (5.75") of precipitation is accumulated. In Puerto Cisnes, during the entire year, the rain falls for 268 days and collects up to 2347mm (92.4") of precipitation.

Snowfall

Months with snowfall are June through November. In Puerto Cisnes, Chile, in September, during 1.7 snowfall days, 23mm (0.91") of snow is typically accumulated. In Puerto Cisnes, during the entire year, snow falls for 9.7 days and aggregates up to 165mm (6.5") of snow.

Sea temperature

July through September, with an average sea temperature of 9.3°C (48.7°F), are months with the coldest seawater in Puerto Cisnes.
Note: To swim in 9.3°C (48.7°F) at less than 10°C (50°F), ensure you're well-protected. Without it, be prepared for a sudden jolt of cold and breathing issues. Remember, even 13°C (55.4°F) is not welcoming.

Daylight

In September, the average length of the day is 11h and 49min.
On the first day of September, sunrise is at 07:17 and sunset at 18:23 -04. On the last day of the month, sunrise is at 07:23 and sunset at 19:57 -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 4.5h.

UV index

In September, the average daily maximum UV index in Puerto Cisnes is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: In September, an average UV index of 2 transforms into the following instructions:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Boost your sun resistance with garments that are densely woven yet spacious. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.

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

Frequently asked questions

The high-temperature in Puerto Cisnes during September is 6.3°C (43.3°F) and the low-temperature is -0.4°C (31.3°F).

In Puerto Cisnes, Chile, the average relative humidity in September is 90%.

In Puerto Cisnes, in September, during 23 rainfall days, 146mm (5.75") of precipitation is typically accumulated.

In Puerto Cisnes, in September, during 1.7 snowfall days, 23mm (0.91") of snow is typically accumulated.

July through September, with an average sea temperature of 9.3°C (48.7°F), are months with the coldest seawater in Puerto Cisnes.

In September, the average sea temperature in Puerto Cisnes is 9.3°C (48.7°F). At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 13°C (55.4°F) is not comfortable.

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

In September, on the first day of the month, sunrise is at 07:17 and sunset at 18:23 -04. On the last day of the month, sunrise is at 07:23 and sunset at 19:57 -03.

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

In September, the average sunshine duration is 4.5h.

In Puerto Cisnes, Chile, the average daily maximum UV index in September is 2. A UV Index value of 2, and less, symbolizes a low health threat from unsafe exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A M J J A September O N D

Aug

September

Oct

Average high temperature

4.5°C

6.3°C

9°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

9.2km/h

8.9km/h

9.7km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

2.1

1.7

0.5

Average sea temperature

Average daylight

Average sunshine

Average sunshine days

5.3

5.5

6.1

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Puerto Cisnes, Chile

Average high temperature in September: 6.3°C

The warmest month (with the highest average high temperature) is February (14.3°C).
The month with the lowest average high temperature is July (3.5°C).

Average low temperature in September: -0.4°C

The month with the highest average low temperature is January (4.8°C).
The coldest month (with the lowest average low temperature) is July (-2.2°C).

Average pressure in September
Puerto Cisnes, Chile

Average pressure in September: 1016mbar

The month with the highest atmospheric pressure is September (1016mbar).
The month with the lowest atmospheric pressure is December (1011.7mbar).

Average wind speed in September
Puerto Cisnes, Chile

Average wind speed in September: 8.7km/h

The windiest month (with the highest average wind speed) is January (11km/h).
The calmest months (with the lowest average wind speed) are July and September (8.7km/h).

Average humidity in September
Puerto Cisnes, Chile

Average humidity in September: 90%

The month with the highest relative humidity is July (94%).
The month with the lowest relative humidity is January (85%).

Average rainfall in September
Puerto Cisnes, Chile

Average rainfall in September: 146mm

The wettest month (with the highest rainfall) is June (306mm).
The driest month (with the least rainfall) is February (120mm).

Average rainfall days in September
Puerto Cisnes, Chile

Average rainfall days in September: 23 days

The month with the highest number of rainy days is August (24.7 days).
The month with the least rainy days is February (18.6 days).

Average snowfall in September
Puerto Cisnes, Chile

Average snowfall in September: 23mm

The month with the highest snowfall is August (59mm).
The months with the least snowfall are January, February, March, April, May and December (0mm).

Average snowfall days in September
Puerto Cisnes, Chile

Average snowfall days in September: 1.7 days

The month with the highest number of snowfall days is July (3.5 days).
The months with the least snowfall days are January, February, March, April, May and December (0 days).

Average sea temperature in September
Puerto Cisnes, Chile

Average sea temperature in September: 9.3°C

The best month for swimming (with the highest average sea temperature) is February (13.4°C).
The coldest months (with the lowest average sea temperature) are July, August and September (9.3°C).

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

Average daylight in September: 11h and 48min

The month with the longest days is December (Average daylight: 15h and 30min).
The month with the shortest days is June (Average daylight: 8h and 54min).

Average sunshine in September: 4h and 30min

The month with the most sunshine is December (Average sunshine: 6h and 24min).
The month with the least sunshine is July (Average sunshine: 2h and 48min).

Average sunshine days in September
Puerto Cisnes, Chile

Average sunshine days in September: 5.5 days

The month with the most sunshine days is February (8.3 days).
The month with the least sunshine days is November (5.2 days).

Average UV index in September
Puerto Cisnes, Chile

Average UV index in September: 2

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

Average cloud cover in September
Puerto Cisnes, Chile

Average cloud cover in September: 67

The month with the most cloud cover is August (Cloud cover 72).
The month with the least cloud cover is February (Cloud cover 64).

Average visibility in September
Puerto Cisnes, Chile

Average visibility in September: 6km

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