September weather - Spring 2024 - Stanley, Falkland Islands (Islas Malvinas)

Weather in September
Frequently asked questions
Average temperature in September
Average humidity in September
Average rainfall in September
Average rainfall days in September
Average sea temperature in September
Average daylight in September
Average sunshine in September
Average UV index in September

Clear waters, sandy beaches, and yellow gorse in the mountainous Stanley, in the Falkland Islands

Weather in September

September brings a marked improvement to Stanley's weather conditions with warmer average temperatures. The winter cold begins to recede as spring approaches. The earlier sunrise and longer daylight hours, averaging 11.7 hours, strengthen spring's hold on Stanley's climate. A decrease in relative humidity to 84% furthers this point. Stanley residents look forward to the resumption of their outdoor activities as September progresses.

Temperature

The advent of September in Stanley denotes an average high-temperature of a still frosty 7.7°C (45.9°F), subtly different from August's 6°C (42.8°F). The month of September records an average low-temperature of -0.2°C (31.6°F).

Humidity

In Stanley, the average relative humidity in September is 84%.

Rainfall

The month with the least rainfall is September, when the rain falls for 12 days and typically collects 34mm (1.34") of precipitation.

Sea temperature

In Stanley, the average seawater temperature in September is 4.8°C (40.6°F).
Note: During swimming, this circumstance is both life-threatening and incredibly perilous. The intense cold sensation provokes rapid hyperventilation. The use of a specialized swimsuit is imperative to prevent thermal injuries.

Daylight

The average length of the day in September in Stanley is 11h and 44min.
On the first day of the month, sunrise is at 07:26 and sunset at 18:16. On the last day of September, sunrise is at 06:19 and sunset at 19:02 -03.

Sunshine

In Stanley, the average sunshine in September is 5h.

UV index

The average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.
Note: A typical high UV index of 3 in September suggests the following recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.

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Frequently asked questions

What are the temperatures in Stanley in September?

In Stanley, 7.7°C (45.9°F) is the average high-temperature and -0.2°C (31.6°F) is the average low-temperature during September.

What is the average humidity in September in Stanley?

The average relative humidity in September in Stanley is 84%.

What is the driest month in Stanley?

September is the month with the least rainfall in Stanley. Rain falls for 12 days and accumulates 34mm (1.34") of precipitation.

How much does it rain in Stanley in September?

In Stanley, Falkland Islands (Islas Malvinas), in September, during 12 rainfall days, 34mm (1.34") of precipitation is typically accumulated.

What is the sea temperature in September in Stanley?

In Stanley, Falkland Islands (Islas Malvinas), in September, the average water temperature is 4.8°C (40.6°F). For swimming, this is considered very dangerous and immediately life-threatening. Total loss of breathing control instantly occurs, and clear thinking becomes almost impossible. A specialized swimsuit is obligatory to minimize thermal loss.

What is the average length of the day in September in Stanley?

In September, the average day length in Stanley is 11h and 44min.

What time are sunrise and sunset in September in Stanley?

In September, on the first day of the month, sunrise is at 07:26 and sunset at 18:16. On the last day of the month, in Stanley, sunrise is at 06:19 and sunset at 19:02 -03.

How long on average sun shines in September in Stanley?

The average sunshine duration in September in Stanley is 5h.

How high is the UV index in September in Stanley?

The average daily maximum UV index in September in Stanley, Falkland Islands (Islas Malvinas), is 3. A UV Index of 3 to 5 symbolizes a medium hazard to health from 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

6°C 42.8°F

7.7°C 45.9°F

9.9°C 49.8°F

Average low temperature

Average humidity

Average rainfall

Average rainfall days

Average sea temperature

Average daylight

Average sunshine

Average UV index

Average temperature in September
Stanley, Falkland Islands (Islas Malvinas)

Average high temperature in September: 7.7°C

The warmest month (with the highest average high temperature) is January (14.1°C).
The month with the lowest average high temperature is July (5.1°C).

Average low temperature in September: -0.2°C

The month with the highest average low temperature is February (5.4°C).
The coldest month (with the lowest average low temperature) is July (-1.2°C).

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Average humidity in September
Stanley, Falkland Islands (Islas Malvinas)

Average humidity in September: 84%

The month with the highest relative humidity is July (90%).
The month with the lowest relative humidity is November (74%).

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Average rainfall in September
Stanley, Falkland Islands (Islas Malvinas)

Average rainfall in September: 34mm

The wettest month (with the highest rainfall) is January (63mm).
The driest month (with the least rainfall) is September (34mm).

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Average rainfall days in September
Stanley, Falkland Islands (Islas Malvinas)

Average rainfall days in September: 12 days

The month with the highest number of rainy days is January (17 days).
The month with the least rainy days is October (11 days).

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Average sea temperature in September
Stanley, Falkland Islands (Islas Malvinas)

Average sea temperature in September: 4.8°C

The best month for swimming (with the highest average sea temperature) is February (9.8°C).
The coldest month (with the lowest average sea temperature) is August (4.7°C).

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Average daylight in September /
Average sunshine in September
Stanley, Falkland Islands (Islas Malvinas)

Average daylight in September: 11h and 4min

The month with the longest days is December (Average daylight: 16h and 36min).
The month with the shortest days is June (Average daylight: 7h and 54min).

Average sunshine in September: 5h

The months with the most sunshine are January, February, October, November and December (Average sunshine: 6h).
The month with the least sunshine is June (Average sunshine: 2h).

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Average UV index in September
Stanley, Falkland Islands (Islas Malvinas)

Average UV index in September: 3

The months with the highest UV index are January and December (UV index 8).
The month with the lowest UV index is June (UV index 0).

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September weather forecast
Stanley, Falkland Islands (Islas Malvinas)

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