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
The advent of September brings an average high-temperature of a still moderately hot 25.5°C (77.9°F), almost identical to the preceding month. The average low-temperature in Cachoeiras de Macacu during September nights is a moderate 15.4°C (59.7°F).Humidity
September is the least humid month, with an average relative humidity of 79%.Rainfall
In Cachoeiras de Macacu, in September, during 13.3 rainfall days, 60mm (2.36") of precipitation is typically accumulated. In Cachoeiras de Macacu, during the entire year, the rain falls for 229.1 days and collects up to 1359mm (53.5") of precipitation.Daylight
In Cachoeiras de Macacu, the average length of the day in September is 11h and 59min.On the first day of September, sunrise is at 05:59 and sunset at 17:40. On the last day of the month, sunrise is at 05:31 and sunset at 17:49 -03.
Sunshine
The average sunshine in September is 7.7h.UV index
The months with the lowest UV index in Cachoeiras de Macacu are March through November, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: An average UV index of 5 in September transforms into this advice:
Ensure safety - Imperative it is to shield skin and eyes from damage. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Cachoeiras de Macacu?
What is the least humid month in Cachoeiras de Macacu?
What is the average humidity in September in Cachoeiras de Macacu?
How much does it rain in Cachoeiras de Macacu in September?
How many hours of daylight does Cachoeiras de Macacu have in September?
When is the sunrise / sunset in September in Cachoeiras de Macacu?
How many hours of sunshine does Cachoeiras de Macacu have in September?
What are the months with the lowest UV index in Cachoeiras de Macacu?
How high is the UV index in September in Cachoeiras de Macacu?
Average temperature in September
Cachoeiras de Macacu, Brazil
- Average high temperature in September: 25.5°C
The warmest month (with the highest average high temperature) is February (28.5°C).
The month with the lowest average high temperature is July (23.1°C).
- Average low temperature in September: 15.4°C
The month with the highest average low temperature is January (19.4°C).
The coldest month (with the lowest average low temperature) is July (13.7°C).
Average pressure in September
Cachoeiras de Macacu, Brazil
- Average pressure in September: 1018mbar
The month with the highest atmospheric pressure is July (1020.6mbar).
The month with the lowest atmospheric pressure is December (1012.1mbar).
Average wind speed in September
Cachoeiras de Macacu, Brazil
- Average wind speed in September: 6.9km/h
The windiest month (with the highest average wind speed) is September (6.9km/h).
The calmest month (with the lowest average wind speed) is March (5.2km/h).
Average humidity in September
Cachoeiras de Macacu, Brazil
- Average humidity in September: 79%
The month with the highest relative humidity is April (89%).
The month with the lowest relative humidity is September (79%).
Average rainfall in September
Cachoeiras de Macacu, Brazil
- Average rainfall in September: 60mm
The wettest month (with the highest rainfall) is November (214mm).
The driest month (with the least rainfall) is June (34mm).
Average rainfall days in September
Cachoeiras de Macacu, Brazil
- Average rainfall days in September: 13.3 days
The month with the highest number of rainy days is January (25.6 days).
The month with the least rainy days is August (12.3 days).
Average daylight in September /
Average sunshine in September
Cachoeiras de Macacu, 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 48min).
- Average sunshine in September: 7h and 4min
The month with the most sunshine is February (Average sunshine: 8h and 6min).
The month with the least sunshine is November (Average sunshine: 6h and 42min).
Average sunshine days in September
Cachoeiras de Macacu, Brazil
- Average sunshine days in September: 14.1 days
The month with the most sunshine days is August (15.8 days).
The month with the least sunshine days is December (3.5 days).
Average UV index in September
Cachoeiras de Macacu, Brazil
- Average UV index in September: 5
The months with the highest UV index are January, February and December (UV index 6).
The months with the lowest UV index are March, April, May, June, July, August, September, October and November (UV index 5).
Average cloud cover in September
Cachoeiras de Macacu, Brazil
- Average cloud cover in September: 37
The month with the most cloud cover is November (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Cachoeiras de Macacu, Brazil
- Average visibility in September: 8km
The months with the highest visibility are February, July, August, September and October (8km).
The month with the lowest visibility is April (6km).
Cachoeiras de Macacu, Brazil
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