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 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
Weather in September
Temperature
Entering September, the average high-temperature is recorded at a still refreshing 19.6°C (67.3°F), exhibiting a minimal shift from August's 18.7°C (65.7°F). The low-temperature average for Arroio Grande during September stands at a fresh 12.5°C (54.5°F).Humidity
The average relative humidity in September is 80%.Rainfall
In Arroio Grande, in September, it is raining for 11.9 days, with typically 76mm (2.99") of accumulated precipitation. Throughout the year, in Arroio Grande, there are 143.8 rainfall days, and 766mm (30.16") of precipitation is accumulated.Daylight
In Arroio Grande, Brazil, the average length of the day in September is 11h and 55min.On the first day of the month, sunrise is at 06:48 and sunset at 18:16. On the last day of September, in Arroio Grande, sunrise is at 06:10 and sunset at 18:34 -03.
Sunshine
With an average of 7.1h of sunshine, September has the least sunshine of the year.UV index
In Arroio Grande, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: A typical high UV index of 5 in September suggests the following recommendations:
Heed the precautions - Suggestions to avoid sunburn are made. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Frequently asked questions
What are September temperatures in Arroio Grande?
What is the average humidity in September in Arroio Grande?
How much does it rain in Arroio Grande in September?
How many hours of daylight does Arroio Grande have in September?
When are sunrise and sunset in September in Arroio Grande?
What is the month with the least sunshine in Arroio Grande?
How long on average sun shines in September in Arroio Grande?
What is the UV index intensity in September in Arroio Grande?
Average temperature in September
Arroio Grande, Brazil
- Average high temperature in September: 19.6°C
The warmest month (with the highest average high temperature) is February (28.4°C).
The month with the lowest average high temperature is July (16.8°C).
- Average low temperature in September: 12.5°C
The month with the highest average low temperature is February (20.3°C).
The coldest month (with the lowest average low temperature) is July (10°C).
Average pressure in September
Arroio Grande, Brazil
- Average pressure in September: 1017.5mbar
The month with the highest atmospheric pressure is July (1019.6mbar).
The month with the lowest atmospheric pressure is December (1011.7mbar).
Average wind speed in September
Arroio Grande, Brazil
- Average wind speed in September: 16.9km/h
The windiest month (with the highest average wind speed) is October (17.3km/h).
The calmest month (with the lowest average wind speed) is May (14.3km/h).
Average humidity in September
Arroio Grande, Brazil
- Average humidity in September: 80%
The month with the highest relative humidity is July (81%).
The month with the lowest relative humidity is December (73%).
Average rainfall in September
Arroio Grande, Brazil
- Average rainfall in September: 76mm
The wettest month (with the highest rainfall) is January (90mm).
The driest month (with the least rainfall) is February (45mm).
Average rainfall days in September
Arroio Grande, Brazil
- Average rainfall days in September: 11.9 days
The month with the highest number of rainy days is March (13.9 days).
The month with the least rainy days is June (9.8 days).
Average daylight in September /
Average sunshine in September
Arroio Grande, Brazil
- Average daylight in September: 11h and 5min
The month with the longest days is December (Average daylight: 14h and 12min).
The month with the shortest days is June (Average daylight: 10h and 6min).
- Average sunshine in September: 7h and 1min
The month with the most sunshine is December (Average sunshine: 8h and 24min).
The month with the least sunshine is September (Average sunshine: 7h and 6min).
Average sunshine days in September
Arroio Grande, Brazil
- Average sunshine days in September: 15.9 days
The month with the most sunshine days is June (18.9 days).
The month with the least sunshine days is February (13 days).
Average UV index in September
Arroio Grande, Brazil
- Average UV index in September: 5
The months with the highest UV index are January, February, March and December (UV index 6).
The months with the lowest UV index are May, June, July and August (UV index 4).
Average cloud cover in September
Arroio Grande, Brazil
- Average cloud cover in September: 41
The month with the most cloud cover is September (Cloud cover 41).
The months with the least cloud cover are November and December (Cloud cover 33).
Average visibility in September
Arroio Grande, Brazil
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, November and December (10km).
The months with the lowest visibility are August, September and October (9km).
Arroio Grande, Brazil
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