Weather in Montevideo for September 2025
In general, the average temperature in Montevideo at the beginning of September is 15.3 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 18.1 °C by the end of September.
The climate of Montevideo in September is notably wet, with an average of 11 rainy days.
Is September a good time to visit Montevideo? check out the best time to travel to Montevideo page.
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Montevideo in September average weather
Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
---|---|---|---|---|---|---|
1 16° | 2 17° | 3 14° | 4 14° | 5 13° | 6 16° | 7 17° |
8 16° | 9 19° | 10 20° | 11 18° | 12 14° | 13 16° | 14 14° |
15 19° | 16 21° | 17 19° | 18 18° | 19 17° | 20 18° | 21 21° |
22 20° | 23 17° | 24 17° | 25 16° | 26 15° | 27 17° | 28 21° |
29 22° | 30 19° |
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Temperatures trend during September in Montevideo
September weather day by day
Date | Weather | Temperatures | Rain | UV | More |
---|---|---|---|---|---|
1 Sept. | Partly cloudy | 16° /9° | 0.6 mm | 5 | |
2 Sept. | Heavy rain | 17° /9° | 13.1 mm | 5 | |
3 Sept. | Heavy rain | 14° /9° | 42.6 mm | 4 | |
4 Sept. | Patchy rain possible | 14° /9° | 0.3 mm | 4 | |
5 Sept. | Cloudy | 13° /6° | 0 mm | 4 | |
6 Sept. | Partly cloudy | 16° /5° | 0 mm | 5 | |
7 Sept. | Moderate rain | 17° /11° | 7.2 mm | 5 | |
8 Sept. | Overcast | 16° /9° | 0.1 mm | 4 | |
9 Sept. | Overcast | 19° /9° | 0 mm | 5 | |
10 Sept. | Partly cloudy | 20° /11° | 0.4 mm | 6 | |
11 Sept. | Moderate or heavy rain with thunder | 18° /10° | 19.2 mm | 5 | |
12 Sept. | Partly cloudy | 14° /8° | 0 mm | 4 | |
13 Sept. | Partly cloudy | 16° /7° | 0 mm | 5 | |
14 Sept. | Overcast | 14° /6° | 0 mm | 5 | |
15 Sept. | Partly cloudy | 19° /6° | 0 mm | 6 | |
16 Sept. | Sunny | 21° /10° | 0 mm | 7 | |
17 Sept. | Light rain shower | 19° /10° | 4.8 mm | 5 | |
18 Sept. | Patchy rain possible | 18° /10° | 1.2 mm | 5 | |
19 Sept. | Partly cloudy | 17° /12° | 3.4 mm | 5 | |
20 Sept. | Patchy rain possible | 18° /12° | 0.4 mm | 5 | |
21 Sept. | Fog | 21° /12° | 0.2 mm | 6 | |
22 Sept. | Patchy rain possible | 20° /12° | 1.6 mm | 5 | |
23 Sept. | Patchy rain possible | 17° /11° | 0.5 mm | 5 | |
24 Sept. | Mist | 17° /11° | 0 mm | 5 | |
25 Sept. | Partly cloudy | 16° /10° | 0 mm | 5 | |
26 Sept. | Patchy light rain | 15° /11° | 2.6 mm | 4 | |
27 Sept. | Patchy rain possible | 17° /9° | 0.2 mm | 5 | |
28 Sept. | Cloudy | 21° /9° | 0 mm | 6 | |
29 Sept. | Patchy rain possible | 22° /12° | 0.1 mm | 6 | |
30 Sept. | Partly cloudy | 19° /12° | 8 mm | 6 | |
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Montevideo in September - FAQ
What to pack to Montevideo in September?
As you prepare for your trip to Montevideo in September, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Montevideo, during September, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Warm Clothing: Sweaters, hoodies, long pants
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Accessories
- Scarves: To protect you from the cold wind
- Gloves/Mittens: Essential for cold weather
- Warm Hats: Warm hats for insulation in cold weather
- Umbrellas/Raincoats: For rainy days
September rainfall patterns in Montevideo
UV exposure in Montevideo during September
Quick links
Get accurate weather forecasts for Montevideo, located at latitude -34.903 and longitude -56.188. Stay updated with localized weather information tailored for Montevideo.