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
September commences with an average high-temperature of a still warm 29.9°C (85.8°F), showing little deviation from August's 28°C (82.4°F). Andorinha's temperature tends to fall to an average low of 18.8°C (65.8°F) during the nights of September.Heat index
In September, the average heat index is estimated at a tropical 34°C (93.2°F). Heightened safety actions are necessary, heat cramps and heat exhaustion are probable. Persistent activity may lead to heatstroke.Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', melds the effects of warmth and moisture to generate a feeling of heat. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.
Humidity
In September, the average relative humidity is 66%.Rainfall
September is the month with the least rainfall in Andorinha. Rain falls for 7.3 days and accumulates 5mm (0.2") of precipitation.Daylight
The average length of the day in September is 12h and 3min.On the first day of the month, sunrise is at 05:41 and sunset at 17:36. On the last day of September, sunrise is at 05:23 and sunset at 17:34 -03.
Sunshine
The average sunshine in September is 6.9h.UV index
In Andorinha, the average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index, 6 in September, converts into the following recommendations:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in Andorinha in September?
What is the average humidity in September?
What is the driest month?
How many days does it rain in September?
How many hours of daylight does Andorinha have in September?
When are sunrise and sunset in September?
How many hours of sunshine does Andorinha have in September?
What is the UV index reading in September?
Average temperature in September
Andorinha, Brazil
- Average high temperature in September: 29.9°C
The warmest month (with the highest average high temperature) is March (32.6°C).
The month with the lowest average high temperature is July (26.8°C).
- Average low temperature in September: 18.8°C
The month with the highest average low temperature is November (21.3°C).
The coldest months (with the lowest average low temperature) are July and August (17.7°C).
Average pressure in September
Andorinha, Brazil
- Average pressure in September: 1016.5mbar
The month with the highest atmospheric pressure is July (1018mbar).
The month with the lowest atmospheric pressure is November (1011.8mbar).
Average wind speed in September
Andorinha, Brazil
- Average wind speed in September: 15.4km/h
The windiest month (with the highest average wind speed) is September (15.4km/h).
The calmest month (with the lowest average wind speed) is April (11km/h).
Average humidity in September
Andorinha, Brazil
- Average humidity in September: 66%
The month with the highest relative humidity is June (80%).
The month with the lowest relative humidity is November (62%).
Average rainfall in September
Andorinha, Brazil
- Average rainfall in September: 5mm
The wettest month (with the highest rainfall) is March (52mm).
The driest month (with the least rainfall) is September (5mm).
Average rainfall days in September
Andorinha, Brazil
- Average rainfall days in September: 7.3 days
The month with the highest number of rainy days is April (15 days).
The month with the least rainy days is September (7.3 days).
Average daylight in September /
Average sunshine in September
Andorinha, Brazil
- Average daylight in September: 12h and 1min
The month with the longest days is December (Average daylight: 12h and 42min).
The month with the shortest days is June (Average daylight: 11h and 30min).
- Average sunshine in September: 6h and 5min
The month with the most sunshine is January (Average sunshine: 9h and 30min).
The month with the least sunshine is June (Average sunshine: 4h and 36min).
Average sunshine days in September
Andorinha, Brazil
- Average sunshine days in September: 18.7 days
The month with the most sunshine days is October (19.9 days).
The month with the least sunshine days is July (12 days).
Average UV index in September
Andorinha, Brazil
- Average UV index in September: 6
The months with the highest UV index are January, February, March, October and November (UV index 7).
The months with the lowest UV index are May, June and July (UV index 5).
Average cloud cover in September
Andorinha, Brazil
- Average cloud cover in September: 44
The months with the most cloud cover are June and July (Cloud cover 64).
The month with the least cloud cover is November (Cloud cover 38).
Average visibility in September
Andorinha, Brazil
- Average visibility in September: 10km
The months with the highest visibility are September, October, November and December (10km).
The months with the lowest visibility are April, May, June and July (8km).
