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Montevideo Department (Montevideo)
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Weather in Montevideo Department for September 2026

Your guide to Montevideo Department weather in September - trends and predictions

    Temperatures

  • Until now, September 2026 in Montevideo Department is slightly cooler than the historical average by 1.8 °C.

  • The forecast for the next days in Montevideo Department predicts temperatures to be around 19 °C, close to the historical average.

  • In general, the average temperature in Montevideo Department at the beginning of September is 14.9 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 20.6 °C by the end of September.

    • Rain 🌧️

  • Montevideo Department experiences moderate rainfall in September, with an average of 6 rainy days and a total precipitation of 90.5 mm.

Average dry days
24
Dry days
Average rainy days
6
Rainy days
Average snowy days
0
Snow days
Average temperatures
17°/10°
Temperatures
Average wind speed
21 km/h
Avg max wind
Average humidity
74 %
Avg humidity

Montevideo Department Weather September

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

Temperatures trend during September in Montevideo Department

See the weather trend as well as the moving average line

September weather in Montevideo Department day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Partly cloudy
Partly cloudy
 17° /10° 2.7 mm 5
2 Sept. Heavy rain
Heavy rain
 17° /9° 13.4 mm 5
3 Sept. Heavy rain
Heavy rain
 15° /9° 22.5 mm 4
4 Sept. Patchy rain possible
Patchy rain possible
 14° /8° 0.2 mm 4
5 Sept. Patchy rain possible
Patchy rain possible
 12° /6° 0.5 mm 4
6 Sept. Partly cloudy
Partly cloudy
 13° /4° 0.3 mm 4
7 Sept. Overcast
Overcast
 16° /6° 3.6 mm 5
8 Sept. Overcast
Overcast
 15° /8° 0.2 mm 4
9 Sept. Overcast
Overcast
 18° /8° 0.1 mm 4
10 Sept. Partly cloudy
Partly cloudy
 20° /10° 0.7 mm 6
11 Sept. Moderate or heavy rain with thunder
Moderate or heavy rain with thunder
 17° /9° 9.6 mm 4
12 Sept. Partly cloudy
Partly cloudy
 15° /8° 0.5 mm 4
13 Sept. Partly cloudy
Partly cloudy
 15° /6° 0.1 mm 5
14 Sept. Partly cloudy
Partly cloudy
 16° /6° 0.1 mm 5
15 Sept. Partly cloudy
Partly cloudy
 18° /7° 0 mm 6
16 Sept. Sunny
Sunny
 20° /9° 0 mm 6
17 Sept. Light rain shower
Light rain shower
 21° /9° 2.4 mm 5
18 Sept. Patchy rain possible
Patchy rain possible
 20° /11° 0.6 mm 4
19 Sept. Overcast
Overcast
 23° /13° 0 mm 7
20 Sept. Patchy rain possible
Patchy rain possible
 20° /12° 2.1 mm 4.9
21 Sept. Sunny
Sunny
 17° /11° 0.2 mm 6.5
22 Sept. Overcast
Overcast
 11° /7° 0 mm 4
23 Sept. Overcast
Overcast
 17° /5° 0 mm 5
24 Sept. Overcast
Overcast
 25° /12° 0 mm 8
25 Sept. Overcast
Overcast
 21° /12° 0 mm 6
26 Sept. Sunny
Sunny
 24° /10° 0 mm 7
27 Sept. Overcast
Overcast
 26° /12° 0 mm 8
28 Sept. Overcast
Overcast
 19° /10° 0 mm 6
29 Sept. Overcast
Overcast
 15° /9° 0 mm 6
30 Sept. Overcast
Overcast
 14° /9° 0 mm 4
Next
Important Notice
Our weather forecast for Montevideo Department 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 Montevideo Department forecast closer to your planned date for the most up-to-date weather information.
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Montevideo Department in September - FAQ

What are the expected maximum and minimum temperatures in Montevideo Department during September?
Enjoy moderate daytime temperatures of up to 17° and cooler nights around 10°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in Montevideo Department during September?
Moderate rainfall is anticipated in Montevideo Department during September, with a total of 90.5 mm spread over approximately 6 days. Considering plans for rainy days is advisable.

What are the typical wind conditions in Montevideo Department during September?
The average wind speed in Montevideo Department during September is 21 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Montevideo Department

Explore the daily rainfall trends and prepare for Montevideo Departments September weather 💧
Typically, Montevideo Department has 6 rainy days in September with a total of 90.5 mm of rainfall.

UV exposure in Montevideo Department during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
Provinces in Montevideo Department
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Municipio B
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Montevideo
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Location coordinates Where is Montevideo Department?

Get accurate weather forecasts for Montevideo Department, located at latitude -34.903 and longitude -56.188. Stay updated with localized weather information tailored for Montevideo Department.

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