September weather forecastIlópolis, Brazil
September
Weather in September
September, the first month of the spring in Ilópolis, is also an agreeable month, with an average temperature ranging between max 21.7°C (71.1°F) and min 12.1°C (53.8°F).Temperature
Ilópolis starts September with an average high-temperature of a still agreeable 21.7°C (71.1°F), hinting at a minimal fluctuation from August. An average low-temperature of 12.1°C (53.8°F) is observed during September nights in Ilópolis.Humidity
In September, the average relative humidity in Ilópolis is 84%.Rainfall
In Ilópolis, in September, it is raining for 13.2 days, with typically 67mm (2.64") of accumulated precipitation. Throughout the year, there are 169.4 rainfall days, and 977mm (38.46") of precipitation is accumulated.Daylight
The average length of the day in September is 11h and 56min.On the first day of the month, sunrise is at 06:42 and sunset at 18:14. On the last day of September, in Ilópolis, sunrise is at 06:07 and sunset at 18:29 -03.
Sunshine
With an average of 7h of sunshine, September has the least sunshine of the year in Ilópolis.UV index
The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: A maximum high UV index of 5 in September translates into the following recommendations:
Adopt protective measures - It is advised to guard against sun damage. To guard against the harmful effects of the Sun, minimize exposure during midday. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ilópolis, Brazil
- Average high temperature in September: 21.7°C
The warmest month (with the highest average high temperature) is February (29.7°C).
The month with the lowest average high temperature is July (18.2°C).
- Average low temperature in September: 12.1°C
The month with the highest average low temperature is January (18.5°C).
The coldest month (with the lowest average low temperature) is July (9.2°C).
Average pressure in September
Ilópolis, Brazil
- Average pressure in September: 1017mbar
The month with the highest atmospheric pressure is July (1020mbar).
The month with the lowest atmospheric pressure is December (1011.3mbar).
Average wind speed in September
Ilópolis, Brazil
- Average wind speed in September: 9.9km/h
The windiest month (with the highest average wind speed) is August (10.5km/h).
The calmest month (with the lowest average wind speed) is April (8.5km/h).
Average humidity in September
Ilópolis, Brazil
- Average humidity in September: 84%
The months with the highest relative humidity are May, June and July (85%).
The month with the lowest relative humidity is December (77%).
Average rainfall in September
Ilópolis, Brazil
- Average rainfall in September: 67mm
The wettest month (with the highest rainfall) is October (115mm).
The driest month (with the least rainfall) is April (55mm).
Average rainfall days in September
Ilópolis, Brazil
- Average rainfall days in September: 13.2 days
The month with the highest number of rainy days is January (18.6 days).
The month with the least rainy days is August (11.2 days).
Average daylight in September /
Average sunshine in September
Ilópolis, 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 0min
The month with the most sunshine is December (Average sunshine: 8h and 30min).
The month with the least sunshine is September (Average sunshine: 7h and 0min).
Average sunshine days in September
Ilópolis, Brazil
- Average sunshine days in September: 14.8 days
The month with the most sunshine days is August (17.9 days).
The month with the least sunshine days is February (10.1 days).
Average UV index in September
Ilópolis, Brazil
- Average UV index in September: 5
The months with the highest UV index are January, February, March, November and December (UV index 6).
The months with the lowest UV index are May, June and July (UV index 4).
Average cloud cover in September
Ilópolis, Brazil
- Average cloud cover in September: 43
The month with the most cloud cover is September (Cloud cover 43).
The month with the least cloud cover is November (Cloud cover 35).
Average visibility in September
Ilópolis, Brazil
- Average visibility in September: 8km
The month with the highest visibility is June (9km).
The months with the lowest visibility are January, February, March, April, May, July, August, September, October, November and December (8km).
