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Treinta y Tres weather in September

Weather in Treinta y Tres: September

Average day temperature: 65.7°F
Average night temperature: 50.6°F
Number of sunny days: 13 days
Day length: 11.4 - 12.4 hours
Number of rainy days: 5 days
Precipitation totals: 4.5 in.

Air temperature in September, °F

Show year:
2025
2024
2023

The highest day temperature during September of 2025 was 80°F. At the same time the lowest night temperature was 34°F. Daily and nightly averages during September were 64.4°F and 50.6°F.

Sunny, partly cloudy and cloudy days

Number of sunny, partly cloudy and cloudy days in September is almost equal.

Precipitation total in September, in.

Precipitation total value in Treinta y Tres in September is 5.0 in. Other months of the year show relatively similar values.

Wind speed in September, mph

The average wind speed value in September is 8.8 mph It makes September one of the most windy months of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 5.9.

Best time for vacation in Treinta y Tres

Sunniest months:
January 17 days
December 17 days
November 16 days
Warmest months:
January 86.2 °F
February 84.7 °F
December 82.1 °F
Coldest months:
July 59.2 °F
June 60.5 °F
August 62.6 °F
Rainiest months:
February 6 days
January 5 days
July 5 days
Windiest months:
October 9.9 mph
January 9.6 mph
September 9.5 mph

Treinta y Tres on a weather map

Treinta y Tres
+73°F
W 19 mph
Feels like: +77°F
Precip.: 85%
Places in Uruguay:
Name
°F
24 Hours Forecast
Treinta y Tres
Local time: 19:04
December 08, monday
2100
68°F
NW
14 mph
December 09, tuesday
0000
68°F
W
12 mph
0300
66°F
W
12 mph
0600
66°F
W
13 mph
0900
70°F
W
14 mph
1200
77°F
W
14 mph
1500
79°F
W
19 mph
1800
66°F
W
17 mph
Units of measurement: °C / °F