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 is the warmest month, with the temperature often reaching an average high of 35.8°C (96.4°F) and an average low of 21.5°C (70.7°F).Humidity
With an average relative humidity of 39%, September is the least humid month in Monte Alegre do Piauí.Rainfall
January through July, September through December are months with rainfall in Monte Alegre do Piauí, Brazil. September is the first month it rains in Monte Alegre do Piauí, Brazil. Throughout September, in the average 1.5 rainfall days, it receives 2mm (0.08") of precipitation. Throughout the year, in Monte Alegre do Piauí, there are 161.3 rainfall days, and 709mm (27.91") of precipitation is accumulated.Daylight
The average length of the day in September in Monte Alegre do Piauí is 12h and 3min.On the first day of September, sunrise is at 06:03 and sunset at 17:59. On the last day of the month, sunrise is at 05:45 and sunset at 17:56 -03.
Sunshine
The average sunshine in September in Monte Alegre do Piauí is 9.9h.UV index
The months with the highest UV index in Monte Alegre do Piauí, Brazil, are January, March through November, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, a daily UV index of 7 turns into the following recommendations:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. 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 time of the year is the hottest in Monte Alegre do Piauí?
How hot does it get in Monte Alegre do Piauí in September?
What is the least humid month in Monte Alegre do Piauí?
What is the average humidity in September in Monte Alegre do Piauí?
When does it start raining in Monte Alegre do Piauí?
What is the average length of the day in September in Monte Alegre do Piauí?
When is the sunrise / sunset in September in Monte Alegre do Piauí?
How many hours of sunshine does Monte Alegre do Piauí have in September?
What is the month with the highest UV index in Monte Alegre do Piauí?
What is the UV index intensity in September in Monte Alegre do Piauí?
Average temperature in September
Monte Alegre do Piauí, Brazil
- Average high temperature in September: 35.8°C
The warmest month (with the highest average high temperature) is September (35.8°C).
The months with the lowest average high temperature are February, March and April (30.8°C).
- Average low temperature in September: 21.5°C
The month with the highest average low temperature is October (23.1°C).
The coldest month (with the lowest average low temperature) is July (19.5°C).
Average pressure in September
Monte Alegre do Piauí, Brazil
- Average pressure in September: 1012.7mbar
The month with the highest atmospheric pressure is July (1015.1mbar).
The month with the lowest atmospheric pressure is November (1009.7mbar).
Average wind speed in September
Monte Alegre do Piauí, Brazil
- Average wind speed in September: 13.1km/h
The windiest months (with the highest average wind speed) are July and August (13.2km/h).
The calmest month (with the lowest average wind speed) is March (6.1km/h).
Average humidity in September
Monte Alegre do Piauí, Brazil
- Average humidity in September: 39%
The month with the highest relative humidity is March (79%).
The month with the lowest relative humidity is September (39%).
Average rainfall in September
Monte Alegre do Piauí, Brazil
- Average rainfall in September: 2mm
The wettest month (with the highest rainfall) is March (147mm).
The driest month (with the least rainfall) is August (0mm).
Average rainfall days in September
Monte Alegre do Piauí, Brazil
- Average rainfall days in September: 1.5 days
The month with the highest number of rainy days is March (26.8 days).
The month with the least rainy days is August (0.3 days).
Average daylight in September /
Average sunshine in September
Monte Alegre do Piauí, 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 36min).
- Average sunshine in September: 9h and 5min
The month with the most sunshine is December (Average sunshine: 10h and 30min).
The month with the least sunshine is April (Average sunshine: 6h and 18min).
Average sunshine days in September
Monte Alegre do Piauí, Brazil
- Average sunshine days in September: 28 days
The month with the most sunshine days is August (30.6 days).
The month with the least sunshine days is March (3.1 days).
Average UV index in September
Monte Alegre do Piauí, Brazil
- Average UV index in September: 7
The months with the highest UV index are January, March, April, May, June, July, August, September, October and November (UV index 7).
The months with the lowest UV index are February and December (UV index 6).
Average cloud cover in September
Monte Alegre do Piauí, Brazil
- Average cloud cover in September: 12
The month with the most cloud cover is March (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 11).
Average visibility in September
Monte Alegre do Piauí, Brazil
- Average visibility in September: 10km
The months with the highest visibility are May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January, February, March, April and December (9km).
