September weather forecastMarechal Hermes, Brazil
September
Weather in September
The first month of the spring, September, is still a warm month in Marechal Hermes, Brazil, with an average temperature fluctuating between 26°C (78.8°F) and 18.2°C (64.8°F).Temperature
Upon the onset of September, Marechal Hermes witnesses an average high-temperature of a still moderately hot 26°C (78.8°F), showing a close resemblance to the prior month. During the month of September, an average low-temperature of 18.2°C (64.8°F) is recorded.Humidity
In September, the average relative humidity is 78%.Rainfall
In Marechal Hermes, in September, it is raining for 13.8 days, with typically 33mm (1.3") of accumulated precipitation. In Marechal Hermes, during the entire year, the rain falls for 205.4 days and collects up to 637mm (25.08") of precipitation.Daylight
In September, the average length of the day is 11h and 58min.On the first day of the month, sunrise is at 06:03 and sunset at 17:43. On the last day of September, sunrise is at 05:34 and sunset at 17:52 -03.
Sunshine
In September, the average sunshine is 7.8h.UV index
April, May, July and September, with an average maximum UV index of 5, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum daily UV index of 5 during September morphs into the following directions:
Take necessary precautions - Protection from skin and eye injury is mandatory. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Marechal Hermes, Brazil
- Average high temperature in September: 26°C
The warmest month (with the highest average high temperature) is February (30.1°C).
The month with the lowest average high temperature is July (24.1°C).
- Average low temperature in September: 18.2°C
The month with the highest average low temperature is January (22.3°C).
The coldest month (with the lowest average low temperature) is August (16.9°C).
Average pressure in September
Marechal Hermes, Brazil
- Average pressure in September: 1017.8mbar
The month with the highest atmospheric pressure is July (1020.5mbar).
The month with the lowest atmospheric pressure is December (1012mbar).
Average wind speed in September
Marechal Hermes, Brazil
- Average wind speed in September: 8.6km/h
The windiest month (with the highest average wind speed) is September (8.6km/h).
The calmest month (with the lowest average wind speed) is March (6.7km/h).
Average humidity in September
Marechal Hermes, Brazil
- Average humidity in September: 78%
The months with the highest relative humidity are March, April, May and November (82%).
The month with the lowest relative humidity is August (77%).
Average rainfall in September
Marechal Hermes, Brazil
- Average rainfall in September: 33mm
The wettest month (with the highest rainfall) is January (94mm).
The driest month (with the least rainfall) is June (24mm).
Average rainfall days in September
Marechal Hermes, Brazil
- Average rainfall days in September: 13.8 days
The month with the highest number of rainy days is December (23.8 days).
The month with the least rainy days is August (10.2 days).
Average daylight in September /
Average sunshine in September
Marechal Hermes, 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 48min
The month with the most sunshine is February (Average sunshine: 8h and 42min).
The month with the least sunshine is November (Average sunshine: 7h and 12min).
Average sunshine days in September
Marechal Hermes, Brazil
- Average sunshine days in September: 13.3 days
The month with the most sunshine days is August (18.8 days).
The month with the least sunshine days is December (4.9 days).
Average UV index in September
Marechal Hermes, Brazil
- Average UV index in September: 5
The months with the highest UV index are January and December (UV index 7).
The months with the lowest UV index are April, May, July and September (UV index 5).
Average cloud cover in September
Marechal Hermes, Brazil
- Average cloud cover in September: 36
The month with the most cloud cover is November (Cloud cover 50).
The months with the least cloud cover are February, July and August (Cloud cover 31).
Average visibility in September
Marechal Hermes, 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).
