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 warmest time of the year is September, with temperatures averaging a high of 31.5°C (88.7°F) and a low of 18.8°C (65.8°F).Heat index
September's average heat index is evaluated at a hot 33°C (91.4°F). Implement more preventive measures, heat cramps and heat exhaustion are probable. Heatstroke might result from extended activity.Take note of the fact that heat index values are based on shaded circumstances with light airflows. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Young individuals are typically more threatened than adults due to their reduced perspiration. Also, the larger skin surface proportionate to their small bodies and the increased heat from their activities magnify their risk.
Humidity
With an average relative humidity of 49%, September is the least humid month.Rainfall
In September, in Guará, the rain falls for 9.1 days. Throughout September, 36mm (1.42") of precipitation is accumulated. Throughout the year, in Guará, there are 219 rainfall days, and 1265mm (49.8") of precipitation is accumulated.Daylight
In Guará, Brazil, the average length of the day in September is 11h and 59min.On the first day of the month, sunrise is at 06:19 and sunset at 18:02. On the last day of September, sunrise is at 05:52 and sunset at 18:09 -03.
Sunshine
The months with the most sunshine are August and September, with an average of 9.5h of sunshine.UV index
The months with the highest UV index are July through October, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The daily high UV index of 6 in September translates into this advice:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Frequently asked questions
What month is the hottest in Guará?
How hot does it get in Guará in September?
What is the least humid month in Guará?
What is the average humidity in September in Guará?
How much does it rain in Guará in September?
How many hours of daylight does Guará have in September?
What time are sunrise and sunset in September in Guará?
What are the months with the most sunshine in Guará?
How long on average sun shines in September in Guará?
What is the month with the highest UV index in Guará?
How high is the UV index in September in Guará?
Average temperature in September
Guará, Brazil
- Average high temperature in September: 31.5°C
The warmest month (with the highest average high temperature) is September (31.5°C).
The month with the lowest average high temperature is June (24.7°C).
- Average low temperature in September: 18.8°C
The month with the highest average low temperature is October (19.9°C).
The coldest months (with the lowest average low temperature) are June and July (14.8°C).
Average pressure in September
Guará, Brazil
- Average pressure in September: 1015.1mbar
The month with the highest atmospheric pressure is July (1019mbar).
The months with the lowest atmospheric pressure are November and December (1011.2mbar).
Average wind speed in September
Guará, Brazil
- Average wind speed in September: 9.4km/h
The windiest month (with the highest average wind speed) is August (9.5km/h).
The calmest month (with the lowest average wind speed) is February (6.3km/h).
Average humidity in September
Guará, Brazil
- Average humidity in September: 49%
The month with the highest relative humidity is March (89%).
The month with the lowest relative humidity is September (49%).
Average rainfall in September
Guará, Brazil
- Average rainfall in September: 36mm
The wettest month (with the highest rainfall) is January (221mm).
The driest month (with the least rainfall) is August (7mm).
Average rainfall days in September
Guará, Brazil
- Average rainfall days in September: 9.1 days
The month with the highest number of rainy days is December (29.6 days).
The month with the least rainy days is August (3.8 days).
Average daylight in September /
Average sunshine in September
Guará, 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: 9h and 3min
The months with the most sunshine are August and September (Average sunshine: 9h and 30min).
The month with the least sunshine is January (Average sunshine: 7h and 24min).
Average sunshine days in September
Guará, Brazil
- Average sunshine days in September: 19.8 days
The month with the most sunshine days is August (26.2 days).
The month with the least sunshine days is December (0.8 days).
Average UV index in September
Guará, Brazil
- Average UV index in September: 6
The months with the highest UV index are July, August, September and October (UV index 6).
The months with the lowest UV index are January, February, March, April, May, June, November and December (UV index 5).
Average cloud cover in September
Guará, Brazil
- Average cloud cover in September: 17
The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in September
Guará, Brazil
- Average visibility in September: 10km
The months with the highest visibility are July, August and September (10km).
The months with the lowest visibility are January, February, March, April, May and December (7km).
Guará, Brazil
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