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Weather in Buenos Aires F.D. for September 2025

Your guide to Buenos Aires F.D. weather in September - trends and predictions

    Temperatures

  • Until now, September 2025 in Buenos Aires F.D. has been nearly identical to the historical average, with a temperature of 15.3 °C (showing only a slight deviation of -0.5 °C).

  • The forecast for the upcoming days in Buenos Aires F.D. predicts a temperature of 17.4 °C, which is slightly above the historical average.

  • In general, the average temperature in Buenos Aires F.D. at the beginning of September is 14.7 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 17.3 °C by the end of September.

    • Rain 🌧️

  • The climate of Buenos Aires F.D. in September is notably wet, with an average of 11 rainy days, and a total of 87.1 mm of precipitation.

Average dry days
19
Dry days
Average rainy days
11
Rainy days
Average snowy days
0
Snow days
Average temperatures
17°/11°
Temperatures
Average wind speed
23 km/h
Avg max wind
Average humidity
72 %
Avg humidity

Buenos Aires F.D. Weather September

Move between months or click on a day
August
October
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Partly cloudy
16°
2
Heavy rain
16°
3
Moderate rain
16°
4
Overcast
14°
5
Partly cloudy
12°
6
Partly cloudy
14°
7
Overcast
15°
8
Partly cloudy
16°
9
Overcast
18°
10
Sunny
18°
11
Moderate or heavy rain shower
17°
12
Overcast
15°
13
Partly cloudy
16°
14
Partly cloudy
18°
15
Cloudy
19°
16
Sunny
18°
17
Sunny
20°
18
Partly cloudy
19°
19
Patchy rain possible
20°
20
Moderate rain
21°
21
Patchy rain possible
13°
22
Sunny
18°
23
Sunny
13°
24
Sunny
13°
25
Sunny
14°
26
Sunny
18°
27
Partly cloudy
20°
28
Partly cloudy
19°
29
Moderate rain
17°
30
Sunny
20°

Temperatures trend during September in Buenos Aires F.D.

See the weather trend as well as the moving average line

September weather in Buenos Aires F.D. day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Partly cloudy
Partly cloudy
 16° /10° 4.3 mm 5
2 Sept. Heavy rain
Heavy rain
 16° /10° 12.8 mm 5
3 Sept. Moderate rain
Moderate rain
 16° /9° 14.6 mm 5
4 Sept. Overcast
Overcast
 14° /8° 0 mm 4
5 Sept. Partly cloudy
Partly cloudy
 12° /6° 0 mm 4
6 Sept. Partly cloudy
Partly cloudy
 14° /8° 0 mm 5
7 Sept. Overcast
Overcast
 15° /10° 5 mm 4
8 Sept. Partly cloudy
Partly cloudy
 16° /10° 0 mm 5
9 Sept. Overcast
Overcast
 18° /11° 0 mm 5
10 Sept. Sunny
Sunny
 18° /12° 0.3 mm 5
11 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 17° /11° 8.7 mm 5
12 Sept. Overcast
Overcast
 15° /10° 0 mm 5
13 Sept. Partly cloudy
Partly cloudy
 16° /10° 0.1 mm 5
14 Sept. Partly cloudy
Partly cloudy
 18° /10° 0.1 mm 6
15 Sept. Cloudy
Cloudy
 19° /11° 0.1 mm 5
16 Sept. Sunny
Sunny
 18° /13° 0 mm 1.6
17 Sept. Sunny
Sunny
 20° /15° 0 mm 1.7
18 Sept. Partly cloudy
Partly cloudy
 19° /16° 0 mm 1.6
19 Sept. Patchy rain possible
Patchy rain possible
 20° /16° 1 mm 1.5
20 Sept. Moderate rain
Moderate rain
 21° /16° 16.9 mm 0.1
21 Sept. Patchy rain possible
Patchy rain possible
 13° /11° 0.4 mm 4
22 Sept. Sunny
Sunny
 18° /8° 0 mm 5
23 Sept. Sunny
Sunny
 13° /6° 0 mm 5
24 Sept. Sunny
Sunny
 13° /6° 0 mm 4
25 Sept. Sunny
Sunny
 14° /9° 0 mm 5
26 Sept. Sunny
Sunny
 18° /12° 0 mm 5
27 Sept. Partly cloudy
Partly cloudy
 20° /15° 0 mm 6
28 Sept. Partly cloudy
Partly cloudy
 19° /15° 0 mm 6
29 Sept. Moderate rain
Moderate rain
 17° /15° 10 mm 5
30 Sept. Sunny
Sunny
 20° /13° 3 mm 6
Next
Important Notice
Our weather forecast for Buenos Aires F.D. in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Buenos Aires F.D. forecast closer to your planned date for the most up-to-date weather information.
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Buenos Aires F.D. in September - FAQ

What are the expected maximum and minimum temperatures in Buenos Aires F.D. during September?
Enjoy moderate daytime temperatures of up to 17° and cooler nights around 11°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Buenos Aires F.D. during September?
Moderate rainfall is anticipated in Buenos Aires F.D. during September, with a total of 87.1 mm spread over approximately 11 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Buenos Aires F.D. during September?
The average wind speed in Buenos Aires F.D. during September is 23 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Buenos Aires F.D.

Explore the daily rainfall trends and prepare for Buenos Aires F.D.s September weather 💧

UV exposure in Buenos Aires F.D. during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Location coordinates Where is Buenos Aires F.D.?

Get accurate weather forecasts for Buenos Aires F.D., located at latitude -34.613 and longitude -58.377. Stay updated with localized weather information tailored for Buenos Aires F.D..

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