Bahía Blanca in september: average Weather, Temperature and Climate
Weather in Bahía Blanca in september 2025
The weather in Bahía Blanca in the month of september comes from statistical datas on the last years. You can view the weather statistics for all the month, but also by clicking on the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
tolerable weather
Weather at 6am
49°F
Clear/Sunny
53% of time
27%
9%
7%
Weather at 12pm
61°F
Clear/Sunny
54% of time
25%
9%
8%
Weather at 6pm
61°F
Clear/Sunny
55% of time
28%
10%
5%
Weather at 3am
50°F
58%
24%
9%
6%
Evolution of daily average temperature and precipitation in Bahía Blanca in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Bahía Blanca in september.
The climate of Bahía Blanca in september is tolerable
The weather in september in Bahía Blanca is rather dry (with 2.2in of precipitation over 3 days). The weather is worst than the previous month since in august there is an average of 1in of rainfall over 2 days.
The climate is fairly cold around this city the month of september, but it is bearable by dressing warm. The high seasonal norm is 65°F. On average, the recorded minimum temperature is 49°F. Thus, the mean temperature average in september in Bahía Blanca is 58°F. These temperatures are far removed from those records observed in Bahía Blanca in september with a maximum record of 83°F in 2021 and a minimum record of 32°F in 2019. You can hope to have about 15 days with temperatures over 65°F, or 50% of the month.
Day length in Bahía Blanca in september is 11:51. Sunrise is at 07:09 and sunset is at 19:00.
With a good weather, september is advisable to go in that area.
Bahía Blanca: another month?
If you can push back the dates of your trip, we advise you to go in october to Bahía Blanca. more information
September: another location in Argentina?
If you want to go to Argentina in september, there are destinations with better weather than Bahía Blanca:
In september, La Rioja, Santiago del Estero, Corrientes, Formosa, San Miguel de Tucumán and Tartagal have perfect weather.
Furthermore, Buenos Aires, Cordoba, Iguazú, Mendoza, Salta and Puerto Madryn have good weather.
Seasonal average climate and temperature of Bahía Blanca in september
Check below seasonal norms These statistics are generated from the weather statements earlier years of the month of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 58°F | ||||
| Highest temperature | 65°F | ||||
| Lowest temperature | 49°F | ||||
| Highest record temperature | 83°F (2021) | ||||
| Lowest record temperature | 32°F (2019) | ||||
| Number of days at +86°F | 0 day(s) (0%) | ||||
| Number of days at +65°F | 15 day(s) (50%) | ||||
| Sea temperature | |||||
| Average sea temperature | 52°F | ||||
| Lowest sea temperature | 49°F | ||||
| Highest sea temperature | 55°F | ||||
| Wind | |||||
| Wind speed | 23km/h | ||||
| Wind temperature | 45°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 2.2in | ||||
| Number of days with rainfall | 3 day(s) (10%) | ||||
| Record daily rainfall | 3in (2021) | ||||
| Snowfall | 0cm | ||||
| Other climate data | |||||
| Humidity | 72% | ||||
| Visibility | 9.68km | ||||
| Cloud cover | 28% | ||||
| UV index | 5 | ||||
| Daily sunshine hours | 11 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 07:09 | ||||
| Time of sunset | 19:00 | ||||
| Length of day | 11:51 | ||||
| Our opinion about the weather in september | |||||
| Our opinion at whereandwhen.net | tolerable | ||||
How was the weather last september?
Here is the day by day recorded weather in Bahía Blanca in september 2024:
43°F to 65°F
56°F to 67°F
45°F to 59°F
50°F to 59°F
41°F to 65°F
50°F to 65°F
49°F to 63°F
47°F to 68°F
56°F to 65°F
50°F to 56°F
47°F to 58°F
47°F to 67°F
54°F to 61°F
45°F to 59°F
56°F to 63°F
49°F to 70°F
65°F to 74°F
59°F to 76°F
54°F to 68°F
54°F to 65°F
61°F to 72°F
56°F to 67°F
52°F to 63°F
50°F to 68°F
50°F to 61°F
45°F to 65°F
50°F to 74°F
54°F to 72°F
58°F to 74°F
61°F to 70°F
Map: other cities in Argentina in september
Cities near Bahía Blanca:
| Punta Alta in september | good weather |
| Tres Arroyos in september | tolerable weather |
| Viedma in september | tolerable weather |
| Azul in september | tolerable weather |
| Necochea in september | tolerable weather |
| Tandil in september | tolerable weather |
| San Antonio Oeste in september | good weather |
| General Pico in september | tolerable weather |
| Mar del Plata in september | tolerable weather |
| Valdés in september | good weather |
| Villa Gesell in september | tolerable weather |
| Neuquén in september | tolerable weather |
Click over cities on the map for information about the weather in september.
Bahía Blanca
perfect weather
good
tolerable
bad
very bad
Weather data for Bahía Blanca in september:
Weather data for Bahía Blanca for september are derived from an average of the weather forecast since 2009 in Bahía Blanca. There is a margin of error and these forecasts are to be considered as general information only. The weather in Bahía Blanca can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Bahía Blanca.