September weather forecast
Bahía Blanca, Argentina

Weather in September

The first month of the spring, September, is a comfortable month in Bahía Blanca, Argentina, with average temperature varying between 16.8°C (62.2°F) and 8.4°C (47.1°F).

Temperature

In September, the average high-temperature is almost the same as in August - a comfortable 16.8°C (62.2°F). In Bahía Blanca, the average low-temperature is 8.4°C (47.1°F).

Humidity

In September, the average relative humidity in Bahía Blanca, Argentina, is 62%.

Rainfall

In Bahía Blanca, Argentina, during September, the rain falls for 6.3 days and regularly aggregates up to 15mm (0.59") of precipitation. Throughout the year, there are 73.5 rainfall days, and 280mm (11.02") of precipitation is accumulated.

Snowfall

January through June, August through December are months without snowfall.

Sea temperature

August and September, with an average sea temperature of 12°C (53.6°F), are months with the coldest seawater.
Note: Swimming in 12°C (53.6°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.

Daylight

In Bahía Blanca, the average length of the day in September is 11.9h.

Sunshine

In Bahía Blanca, the average sunshine is 8.4h.

UV index

Months with the lowest UV index in Bahía Blanca are June, July and September, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a moderate health risk from the exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 3 transform into the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
[Resources]

FAQ

What is the average humidity in September in Bahía Blanca?

In September, the average relative humidity in Bahía Blanca, Argentina, is 62%.

How much does it rain in Bahía Blanca in September?

In Bahía Blanca, during September, the rain falls for 6.3 days and regularly aggregates up to 15mm (0.59") of precipitation.

When it does not snow in Bahía Blanca?

In Bahía Blanca snow does not fall in January through June, August through December.

When is the sea coldest in Bahía Blanca?

August and September, with an average sea temperature of 12°C (53.6°F), are months with the coldest seawater in Bahía Blanca.

How cold is the water in September in Bahía Blanca?

In Bahía Blanca, in September, the average water temperature is 12°C (53.6°F). Swimming in 12°C (53.6°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.

What is the average length of the day in September in Bahía Blanca?

In September, the average length of the day is 11.9h.

How many hours of sunshine does Bahía Blanca have in September?

In Bahía Blanca, Argentina, the average sunshine in September is 8.4h.

What is the month with the lowest UV index in Bahía Blanca?

June, July and September, with an average maximum UV index of 3, are months with the lowest UV index in Bahía Blanca.

What is the UV index reading in September in Bahía Blanca?

In Bahía Blanca, Argentina, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate health threat from the exposure to the Sun's UV radiation.

Average temperature in September
Bahía Blanca, Argentina

Average temperature in September - Bahía Blanca, Argentina
  • Average high temperature in September: 16.8°C

The warmest month (with the highest average high temperature) is January (29.8°C).
The month with the lowest average high temperature is July (12.6°C).

  • Average low temperature in September: 8.4°C

The month with the highest average low temperature is January (18.9°C).
The coldest month (with the lowest average low temperature) is July (6.2°C).

[Resources]

Average pressure in September
Bahía Blanca, Argentina

Average pressure in September - Bahía Blanca, Argentina
  • Average pressure in September: 1017.7mbar

The month with the highest atmospheric pressure is July (1017.9mbar).
The month with the lowest atmospheric pressure is December (1009.7mbar).

[Resources]

Average wind speed in September
Bahía Blanca, Argentina

Average wind speed in September - Bahía Blanca, Argentina
  • Average wind speed in September: 17.4km/h

The windiest month (with the highest average wind speed) is June (19.4km/h).
The calmest months (with the lowest average wind speed) are April and May (16.7km/h).

[Resources]

Average humidity in September
Bahía Blanca, Argentina

Average humidity in September - Bahía Blanca, Argentina
  • Average humidity in September: 62%

Months with the highest relative humidity are May and July (65%).
Months with the lowest relative humidity are January and December (44%).

[Resources]

Average rainfall in September
Bahía Blanca, Argentina

Average rainfall in September - Bahía Blanca, Argentina
  • Average rainfall in September: 15mm

The wettest month (with the highest rainfall) is November (44mm).
The driest month (with the least rainfall) is June (12mm).

[Resources]

Average rainfall days in September
Bahía Blanca, Argentina

Average rainfall days in September - Bahía Blanca, Argentina
  • Average rainfall days in September: 6.3 days

The month with the highest number of rainy days is November (7.9 days).
The month with the least rainy days is June (3.9 days).

[Resources]

Average snowfall days in September
Bahía Blanca, Argentina

Average snowfall days in September - Bahía Blanca, Argentina
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is July (0.1 days).
Months with the least snowfall days are January, February, March, April, May, June, August, September, October, November and December (0 days).

[Resources]

Average sea temperature in September
Bahía Blanca, Argentina

Average sea temperature in September - Bahía Blanca, Argentina
  • Average sea temperature in September: 12°C

The best months for swimming (with the highest average sea temperature) are February and March (21°C).
The coldest months (with the lowest average sea temperature) are August and September (12°C).

[Resources]

Average daylight in September /
Average sunshine in September
Bahía Blanca, Argentina

Average daylight in September / Average sunshine in September - Bahía Blanca, Argentina
  • Average daylight in September: 11.9h

The month with the longest days is December (Average daylight: 14.8h).
The month with the shortest days is June (Average daylight: 9.5h).

  • Average sunshine in September: 8.4h

The month with the most sunshine is December (Average sunshine: 11.7h).
The month with the least sunshine is June (Average sunshine: 6.3h).

[Resources]

Average sunshine days in September
Bahía Blanca, Argentina

Average sunshine days in September - Bahía Blanca, Argentina
  • Average sunshine days in September: 23 days

The month with the most sunshine days is August (26.1 days).
The month with the least sunshine days is February (20.5 days).

[Resources]

Average UV index in September
Bahía Blanca, Argentina

Average UV index in September - Bahía Blanca, Argentina
  • Average UV index in September: 3

Months with the highest UV index are January, February, March and December (UV index 6).
Months with the lowest UV index are June, July and September (UV index 3).

[Resources]

Average cloud cover in September
Bahía Blanca, Argentina

Average cloud cover in September - Bahía Blanca, Argentina
  • Average cloud cover in September: 28

Months with the most cloud cover are May and July (Cloud cover 30).
The month with the least cloud cover is January (Cloud cover 13).

[Resources]

Average visibility in September
Bahía Blanca, Argentina

Average visibility in September - Bahía Blanca, Argentina
  • Average visibility in September: 10km

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

[Resources]

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location