September weather forecastArroio do Só, Brazil
September
Weather in September
September, the first month of the spring in Arroio do Só, is still a pleasant month, with an average temperature fluctuating between 22.5°C (72.5°F) and 12.2°C (54°F).Temperature
The average high-temperature is a still agreeable 22.5°C (72.5°F) in September, hardly different from the 20.8°C (69.4°F) recorded in August. During the month of September, the nighttime temperature falls to an average of 12.2°C (54°F).Humidity
In September, the average relative humidity is 80%.Rainfall
In Arroio do Só, in September, it is raining for 12.7 days, with typically 80mm (3.15") of accumulated precipitation. Throughout the year, there are 146.4 rainfall days, and 974mm (38.35") 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 06:48 and sunset at 18:19. On the last day of the month, sunrise is at 06:12 and sunset at 18:35 -03.
Sunshine
In September, the average sunshine is 7.5h.UV index
In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: The UV index of 5 during September leads to these advisories:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Arroio do Só, Brazil
- Average high temperature in September: 22.5°C
The warmest months (with the highest average high temperature) are January and February (30.7°C).
The month with the lowest average high temperature is July (18.1°C).
- Average low temperature in September: 12.2°C
The month with the highest average low temperature is January (19°C).
The coldest month (with the lowest average low temperature) is July (8.9°C).
Average pressure in September
Arroio do Só, Brazil
- Average pressure in September: 1016.2mbar
The month with the highest atmospheric pressure is July (1019.3mbar).
The month with the lowest atmospheric pressure is December (1010.4mbar).
Average wind speed in September
Arroio do Só, Brazil
- Average wind speed in September: 13.4km/h
The windiest months (with the highest average wind speed) are September and October (13.4km/h).
The calmest month (with the lowest average wind speed) is April (11km/h).
Average humidity in September
Arroio do Só, Brazil
- Average humidity in September: 80%
The months with the highest relative humidity are May and June (83%).
The month with the lowest relative humidity is December (70%).
Average rainfall in September
Arroio do Só, Brazil
- Average rainfall in September: 80mm
The wettest month (with the highest rainfall) is October (128mm).
The driest month (with the least rainfall) is March (55mm).
Average rainfall days in September
Arroio do Só, Brazil
- Average rainfall days in September: 12.7 days
The month with the highest number of rainy days is January (14.3 days).
The month with the least rainy days is April (10.8 days).
Average daylight in September /
Average sunshine in September
Arroio do Só, Brazil
- Average daylight in September: 11h and 54min
The month with the longest days is December (Average daylight: 14h and 0min).
The month with the shortest days is June (Average daylight: 10h and 18min).
- Average sunshine in September: 7h and 30min
The month with the most sunshine is December (Average sunshine: 8h and 42min).
The month with the least sunshine is June (Average sunshine: 7h and 12min).
Average sunshine days in September
Arroio do Só, Brazil
- Average sunshine days in September: 15.3 days
The month with the most sunshine days is March (18.9 days).
The month with the least sunshine days is February (14.1 days).
Average UV index in September
Arroio do Só, Brazil
- Average UV index in September: 5
The month with the highest UV index is January (UV index 7).
The months with the lowest UV index are May, June and July (UV index 4).
Average cloud cover in September
Arroio do Só, Brazil
- Average cloud cover in September: 38
The month with the most cloud cover is May (Cloud cover 39).
The month with the least cloud cover is November (Cloud cover 29).
Average visibility in September
Arroio do Só, Brazil
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
