September weather forecastBella Union, Uruguay
September
Weather in September
September, the first month of the spring in Bella Union, is also an agreeable month, with an average temperature ranging between min 11.7°C (53.1°F) and max 22.2°C (72°F).Temperature
At the start of September, Bella Union's average high-temperature reaches a still pleasant 22.2°C (72°F), subtly different from the preceding month. Nighttime temperature experiences an average drop to a fresh 11.7°C (53.1°F) in September.Humidity
In September, the average relative humidity is 80%.Rainfall
In Bella Union, during September, the rain falls for 10.1 days and regularly aggregates up to 57mm (2.24") of precipitation. Throughout the year, there are 128.6 rainfall days, and 840mm (33.07") of precipitation is accumulated.Daylight
The average length of the day in September is 11h and 56min.On the first day of September, sunrise is at 07:04 and sunset at 18:35. On the last day of the month, sunrise is at 06:28 and sunset at 18:51 -03.
Sunshine
The average sunshine in September is 7.7h.UV index
The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index of 5 during September translates into these guidelines:
Take necessary precautions - Protection from skin and eye injury is mandatory. To guard against the harmful effects of the Sun, minimize exposure during midday. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Bella Union, Uruguay
- Average high temperature in September: 22.2°C
The warmest month (with the highest average high temperature) is January (32.6°C).
The month with the lowest average high temperature is July (17.2°C).
- Average low temperature in September: 11.7°C
The months with the highest average low temperature are January and February (20.3°C).
The coldest month (with the lowest average low temperature) is July (8.7°C).
Average pressure in September
Bella Union, Uruguay
- Average pressure in September: 1015.9mbar
The month with the highest atmospheric pressure is July (1018.8mbar).
The month with the lowest atmospheric pressure is December (1009.5mbar).
Average wind speed in September
Bella Union, Uruguay
- Average wind speed in September: 12.1km/h
The windiest month (with the highest average wind speed) is August (12.6km/h).
The calmest month (with the lowest average wind speed) is April (9.5km/h).
Average humidity in September
Bella Union, Uruguay
- Average humidity in September: 80%
The months with the highest relative humidity are May and June (86%).
The month with the lowest relative humidity is January (64%).
Average rainfall in September
Bella Union, Uruguay
- Average rainfall in September: 57mm
The wettest month (with the highest rainfall) is December (110mm).
The driest months (with the least rainfall) are June and August (45mm).
Average rainfall days in September
Bella Union, Uruguay
- Average rainfall days in September: 10.1 days
The month with the highest number of rainy days is December (12.5 days).
The month with the least rainy days is August (8.8 days).
Average daylight in September /
Average sunshine in September
Bella Union, Uruguay
- Average daylight in September: 11h and 54min
The month with the longest days is December (Average daylight: 14h and 6min).
The month with the shortest days is June (Average daylight: 10h and 12min).
- Average sunshine in September: 7h and 42min
The month with the most sunshine is December (Average sunshine: 10h and 42min).
The month with the least sunshine is June (Average sunshine: 5h and 48min).
Average sunshine days in September
Bella Union, Uruguay
- Average sunshine days in September: 18.4 days
The month with the most sunshine days is August (20.7 days).
The month with the least sunshine days is February (15.7 days).
Average UV index in September
Bella Union, Uruguay
- Average UV index in September: 5
The months with the highest UV index are January and December (UV index 7).
The month with the lowest UV index is May (UV index 3).
Average cloud cover in September
Bella Union, Uruguay
- Average cloud cover in September: 36
The month with the most cloud cover is May (Cloud cover 50).
The months with the least cloud cover are January, March and November (Cloud cover 24).
Average visibility in September
Bella Union, Uruguay
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, September, October, November and December (9km).
The month with the lowest visibility is May (7km).
