September weather forecastMarechal Floriano, Brazil
September
Weather in September
September, the first month of the spring in Marechal Floriano, is also a moderately hot month, with an average temperature fluctuating between 25.6°C (78.1°F) and 18.3°C (64.9°F).Temperature
With the advent of September, Marechal Floriano's high-temperatures adjust to a still moderately hot 25.6°C (78.1°F), closely aligning with the preceding month. The nighttime temperature dips to an enjoyable 18.3°C (64.9°F) on average during September.Humidity
September is the least humid month in Marechal Floriano, with an average relative humidity of 79%.Rainfall
In Marechal Floriano, in September, it is raining for 14.2 days, with typically 37mm (1.46") of accumulated precipitation. In Marechal Floriano, Brazil, during the entire year, the rain falls for 185.4 days and collects up to 776mm (30.55") of precipitation.Daylight
In Marechal Floriano, the average length of the day in September is 11h and 59min.On the first day of the month, sunrise is at 05:50 and sunset at 17:34. On the last day of September, sunrise is at 05:24 and sunset at 17:40 -03.
Sunshine
In September, the average sunshine is 8h.UV index
The months with the lowest UV index in Marechal Floriano are June, July and September, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 5 during September translates into the following directions:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Marechal Floriano, Brazil
- Average high temperature in September: 25.6°C
The warmest month (with the highest average high temperature) is February (29.1°C).
The month with the lowest average high temperature is July (24.3°C).
- Average low temperature in September: 18.3°C
The months with the highest average low temperature are January and February (21.7°C).
The coldest month (with the lowest average low temperature) is August (17.2°C).
Average pressure in September
Marechal Floriano, Brazil
- Average pressure in September: 1018.7mbar
The month with the highest atmospheric pressure is July (1020.8mbar).
The month with the lowest atmospheric pressure is December (1012.7mbar).
Average wind speed in September
Marechal Floriano, Brazil
- Average wind speed in September: 12.5km/h
The windiest month (with the highest average wind speed) is September (12.5km/h).
The calmest months (with the lowest average wind speed) are April and May (8.9km/h).
Average humidity in September
Marechal Floriano, Brazil
- Average humidity in September: 79%
The months with the highest relative humidity are April, November and December (84%).
The month with the lowest relative humidity is September (79%).
Average rainfall in September
Marechal Floriano, Brazil
- Average rainfall in September: 37mm
The wettest month (with the highest rainfall) is November (166mm).
The driest months (with the least rainfall) are June and July (23mm).
Average rainfall days in September
Marechal Floriano, Brazil
- Average rainfall days in September: 14.2 days
The month with the highest number of rainy days is November (21.3 days).
The month with the least rainy days is July (11.6 days).
Average daylight in September /
Average sunshine in September
Marechal Floriano, Brazil
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 18min).
The month with the shortest days is June (Average daylight: 10h and 54min).
- Average sunshine in September: 8h and 0min
The month with the most sunshine is February (Average sunshine: 9h and 12min).
The month with the least sunshine is October (Average sunshine: 7h and 6min).
Average sunshine days in September
Marechal Floriano, Brazil
- Average sunshine days in September: 11 days
The months with the most sunshine days are May and July (16.3 days).
The month with the least sunshine days is November (5.6 days).
Average UV index in September
Marechal Floriano, Brazil
- Average UV index in September: 5
The months with the highest UV index are January, February, March, April, May, August, October, November and December (UV index 6).
The months with the lowest UV index are June, July and September (UV index 5).
Average cloud cover in September
Marechal Floriano, Brazil
- Average cloud cover in September: 37
The month with the most cloud cover is November (Cloud cover 52).
The month with the least cloud cover is February (Cloud cover 29).
Average visibility in September
Marechal Floriano, Brazil
- Average visibility in September: 10km
The months with the highest visibility are February, July, August and September (10km).
The months with the lowest visibility are January, March, April, May, June, October, November and December (9km).





