Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
Upon the onset of September, Rio Grande witnesses an average high-temperature of a frosty 6.7°C (44.1°F), showing a close resemblance to the prior month. In September, Rio Grande's nighttime temperatures demonstrate a slight decrease, stabilizing at an average of 2.4°C (36.3°F).Humidity
In September, the average relative humidity is 76%.Rainfall
September is the month with the least rainfall. Rain falls for 11.5 days and accumulates 21mm (0.83") of precipitation.Snowfall
Months with snowfall are April through December. In September, it is snowing for 3.1 days. Throughout September, 17mm (0.67") of snow is accumulated. Throughout the year, in Rio Grande, there are 25 snowfall days, and 146mm (5.75") of snow is accumulated.Daylight
In Rio Grande, the average length of the day in September is 11h and 43min.On the first day of September in Rio Grande, sunrise is at 08:08 and sunset at 18:52. On the last day of the month, sunrise is at 06:57 and sunset at 19:43 -03.
Sunshine
In Rio Grande, the average sunshine in September is 6.9h.UV index
The months with the lowest UV index are May through September, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index of 2 during September leads to these instructions:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. To protect against the Sun's most potent rays, avoid direct exposure around midday. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold does it get in Rio Grande in September?
What is the average humidity in September in Rio Grande?
What is the driest month in Rio Grande?
How many days does it rain in September in Rio Grande?
How much does it snow in Rio Grande in September?
What is the average length of the day in September in Rio Grande?
When is the sunrise / sunset in September in Rio Grande?
How many hours of sunshine does Rio Grande have in September?
What is the month with the lowest UV index in Rio Grande?
What is the UV index reading in September in Rio Grande?
Average temperature in September
Rio Grande, Argentina
- Average high temperature in September: 6.7°C
The warmest month (with the highest average high temperature) is January (13°C).
The month with the lowest average high temperature is July (3.5°C).
- Average low temperature in September: 2.4°C
The months with the highest average low temperature are January and February (6.9°C).
The coldest month (with the lowest average low temperature) is July (0.8°C).
Average pressure in September
Rio Grande, Argentina
- Average pressure in September: 1004.6mbar
The month with the highest atmospheric pressure is September (1004.6mbar).
The month with the lowest atmospheric pressure is December (997.8mbar).
Average wind speed in September
Rio Grande, Argentina
- Average wind speed in September: 22.4km/h
The windiest month (with the highest average wind speed) is January (27.3km/h).
The calmest months (with the lowest average wind speed) are July and September (22.4km/h).
Average humidity in September
Rio Grande, Argentina
- Average humidity in September: 76%
The month with the highest relative humidity is July (81%).
The month with the lowest relative humidity is November (69%).
Average rainfall in September
Rio Grande, Argentina
- Average rainfall in September: 21mm
The wettest month (with the highest rainfall) is January (47mm).
The driest month (with the least rainfall) is September (21mm).
Average rainfall days in September
Rio Grande, Argentina
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is January (21.6 days).
The month with the least rainy days is August (10.4 days).
Average snowfall in September
Rio Grande, Argentina
- Average snowfall in September: 17mm
The month with the highest snowfall is July (40mm).
The months with the least snowfall are January, February and March (0mm).
Average snowfall days in September
Rio Grande, Argentina
- Average snowfall days in September: 3.1 days
The months with the highest number of snowfall days are June, July and August (5.3 days).
The month with the least snowfall days is March (0 days).
Average daylight in September /
Average sunshine in September
Rio Grande, Argentina
- Average daylight in September: 11h and 4min
The month with the longest days is December (Average daylight: 17h and 0min).
The month with the shortest days is June (Average daylight: 7h and 30min).
- Average sunshine in September: 6h and 5min
The months with the most sunshine are January and December (Average sunshine: 9h and 30min).
The month with the least sunshine is July (Average sunshine: 3h and 42min).
Average sunshine days in September
Rio Grande, Argentina
- Average sunshine days in September: 13.8 days
The month with the most sunshine days is August (15 days).
The month with the least sunshine days is January (6.2 days).
Average UV index in September
Rio Grande, Argentina
- Average UV index in September: 2
The months with the highest UV index are January, February, March, April, October, November and December (UV index 3).
The months with the lowest UV index are May, June, July, August and September (UV index 2).
Average cloud cover in September
Rio Grande, Argentina
- Average cloud cover in September: 45
The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is May (Cloud cover 44).
Average visibility in September
Rio Grande, Argentina
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, June, October, November and December (10km).
The months with the lowest visibility are May, July, August and September (9km).
