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
September
Weather in September
Temperature
The transition from August to September brings an average high-temperature of a still moderately hot 25.4°C (77.7°F), barely different from August's 23.3°C (73.9°F). During September, the nighttime temperature averages of 14.7°C (58.5°F).Humidity
August and September, with an average relative humidity of 73%, are the least humid months.Rainfall
In September, the rain falls for 12.5 days. Throughout September, 46mm (1.81") of precipitation is accumulated. In Francisco Morato, during the entire year, the rain falls for 220.1 days and collects up to 1232mm (48.5") of precipitation.Daylight
The average length of the day in September is 11h and 58min.On the first day of September, sunrise is at 06:16 and sunset at 17:56. On the last day of the month, sunrise is at 05:47 and sunset at 18:05 -03.
Sunshine
With an average of 8.7h of sunshine, September has the most sunshine of the year.UV index
February through September, November and December, with an average maximum UV index of 5, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: An average maximum UV index of 5 in September leads to these recommendations:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Direct Sun exposure should be minimized especially during midday when radiation is most intense. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Francisco Morato in September?
What is the least humid month?
What is the average humidity in September?
How many days does it rain in September in Francisco Morato?
What is the average length of the day in September?
When are sunrise and sunset in September?
What month has the most sunshine?
How long on average sun shines in September?
What is the month with the lowest UV index?
How high is the UV index in September?
Average temperature in September
Francisco Morato, Brazil
- Average high temperature in September: 25.4°C
The warmest month (with the highest average high temperature) is December (26.4°C).
The month with the lowest average high temperature is June (20.8°C).
- Average low temperature in September: 14.7°C
The month with the highest average low temperature is January (18.3°C).
The coldest month (with the lowest average low temperature) is July (12.4°C).
Average pressure in September
Francisco Morato, Brazil
- Average pressure in September: 1017.2mbar
The month with the highest atmospheric pressure is July (1020.3mbar).
The month with the lowest atmospheric pressure is December (1011.9mbar).
Average wind speed in September
Francisco Morato, Brazil
- Average wind speed in September: 10km/h
The windiest month (with the highest average wind speed) is October (10.3km/h).
The calmest month (with the lowest average wind speed) is February (7.9km/h).
Average humidity in September
Francisco Morato, Brazil
- Average humidity in September: 73%
The month with the highest relative humidity is March (87%).
The months with the lowest relative humidity are August and September (73%).
Average rainfall in September
Francisco Morato, Brazil
- Average rainfall in September: 46mm
The wettest month (with the highest rainfall) is January (234mm).
The driest month (with the least rainfall) is August (33mm).
Average rainfall days in September
Francisco Morato, Brazil
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is January (27.6 days).
The month with the least rainy days is August (8.1 days).
Average daylight in September /
Average sunshine in September
Francisco Morato, Brazil
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 30min).
The month with the shortest days is June (Average daylight: 10h and 42min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is September (Average sunshine: 8h and 42min).
The month with the least sunshine is January (Average sunshine: 7h and 12min).
Average sunshine days in September
Francisco Morato, Brazil
- Average sunshine days in September: 13.8 days
The month with the most sunshine days is August (19.9 days).
The month with the least sunshine days is January (2.3 days).
Average UV index in September
Francisco Morato, Brazil
- Average UV index in September: 5
The months with the highest UV index are January and October (UV index 6).
The months with the lowest UV index are February, March, April, May, June, July, August, September, November and December (UV index 5).
Average cloud cover in September
Francisco Morato, Brazil
- Average cloud cover in September: 33
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in September
Francisco Morato, Brazil
- Average visibility in September: 9km
The months with the highest visibility are August and September (9km).
The months with the lowest visibility are January, February, March, April and May (7km).
