September weather forecastCabo Polonio, Uruguay
September
Weather in September
September witnesses the changing seasons as Cabo Polonio transitions from winter to spring. The shift from the cooler August to the warmer October is evident. It’s not uncommon to see the sun taking over the skies again, with daylight hours extending to 11.9 per day. However, the moistness in the air is underscored by the continually high relative humidity of 78%. Weather anomalies such as a pronounced month-to-month increase in wind speeds from 16.4km/h (10.2mph) to 17.6km/h (10.9mph) are also observed, adding to a weather tapestry of stirring versatility.Temperature
Cabo Polonio records an average high-temperature of a still refreshing 17.6°C (63.7°F) as September arrives, nearly mirroring the previous month's climate. Nighttime temperature experiences an average drop to a frosty 9.9°C (49.8°F) in September.Humidity
In Cabo Polonio, the average relative humidity in September is 78%.Rainfall
In Cabo Polonio, in September, it is raining for 11.3 days, with typically 59mm (2.32") of accumulated precipitation. In Cabo Polonio, during the entire year, the rain falls for 129.5 days and collects up to 692mm (27.24") of precipitation.Daylight
The average length of the day in September is 11h and 54min.On the first day of September, sunrise is at 06:52 and sunset at 18:17. On the last day of the month, sunrise is at 06:12 and sunset at 18:37 -03.
Sunshine
In September, the average sunshine is 7h.UV index
April through September, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 4 in September translates into these instructions:
Put precautions into practice - Protective measures against sun-induced damage are advised. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Cabo Polonio, Uruguay
- Average high temperature in September: 17.6°C
The warmest month (with the highest average high temperature) is January (28.1°C).
The month with the lowest average high temperature is July (14.6°C).
- Average low temperature in September: 9.9°C
The month with the highest average low temperature is February (18.3°C).
The coldest month (with the lowest average low temperature) is July (7.9°C).
Average pressure in September
Cabo Polonio, Uruguay
- Average pressure in September: 1017.9mbar
The month with the highest atmospheric pressure is July (1019.1mbar).
The month with the lowest atmospheric pressure is December (1011.7mbar).
Average wind speed in September
Cabo Polonio, Uruguay
- Average wind speed in September: 17.6km/h
The windiest month (with the highest average wind speed) is September (17.6km/h).
The calmest month (with the lowest average wind speed) is May (14.7km/h).
Average humidity in September
Cabo Polonio, Uruguay
- Average humidity in September: 78%
The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is January (68%).
Average rainfall in September
Cabo Polonio, Uruguay
- Average rainfall in September: 59mm
The wettest month (with the highest rainfall) is August (84mm).
The driest month (with the least rainfall) is March (45mm).
Average rainfall days in September
Cabo Polonio, Uruguay
- Average rainfall days in September: 11.3 days
The months with the highest number of rainy days are March and October (12 days).
The month with the least rainy days is June (9.1 days).
Average daylight in September /
Average sunshine in September
Cabo Polonio, Uruguay
- Average daylight in September: 11h and 54min
The month with the longest days is December (Average daylight: 14h and 24min).
The month with the shortest days is June (Average daylight: 9h and 54min).
- Average sunshine in September: 7h and 0min
The month with the most sunshine is January (Average sunshine: 10h and 30min).
The month with the least sunshine is July (Average sunshine: 5h and 24min).
Average sunshine days in September
Cabo Polonio, Uruguay
- Average sunshine days in September: 16.4 days
The month with the most sunshine days is January (19.4 days).
The month with the least sunshine days is February (15.3 days).
Average UV index in September
Cabo Polonio, Uruguay
- Average UV index in September: 4
The months with the highest UV index are January, February, March and December (UV index 6).
The months with the lowest UV index are April, May, June, July, August and September (UV index 4).
Average cloud cover in September
Cabo Polonio, Uruguay
- Average cloud cover in September: 42
The month with the most cloud cover is September (Cloud cover 42).
The month with the least cloud cover is January (Cloud cover 26).
Average visibility in September
Cabo Polonio, Uruguay
- Average visibility in September: 9km
The months with the highest visibility are January, February, March and December (10km).
The months with the lowest visibility are April, May, June, July, August, September, October and November (9km).
