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
The months of September and October are noted for their peak temperatures, with an average high-temperature of 36.5°C (97.7°F).Humidity
With an average relative humidity of 39%, September is the least humid month in Palmeirais.Rainfall
January through July, September through December are months with rainfall. September is the first month it rains. Throughout September, in the average 2.5 rainfall days, it receives 3mm (0.12") of precipitation. In Palmeirais, during the entire year, the rain falls for 157.4 days and collects up to 636mm (25.04") of precipitation.Daylight
The average length of the day in September is 12h and 5min.On the first day of September in Palmeirais, sunrise is at 05:51 and sunset at 17:52. On the last day of the month, sunrise is at 05:37 and sunset at 17:46 -03.
Sunshine
The month with the most sunshine in Palmeirais is September, with an average of 9.9h of sunshine.UV index
With an average maximum UV index of 8, September is the month with the highest UV index in Palmeirais. A UV Index of 8 to 10 symbolizes a very high health risk from unprotected exposure to Sun's UV rays for the average person.Note: In September, the maximum UV index of 8 transforms into these recommendations:
Prioritize your safety. Without precautions, skin and eyes might get hurt quickly. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the hottest in Palmeirais?
How hot does it get in Palmeirais in September?
What is the least humid month in Palmeirais?
What is the average humidity in September in Palmeirais?
When does it start raining in Palmeirais?
What is the average length of the day in September in Palmeirais?
What time are sunrise and sunset in September in Palmeirais?
What month has the most sunshine in Palmeirais?
How many hours of sunshine does Palmeirais have in September?
When is the highest UV index in Palmeirais?
What is the UV index intensity in September in Palmeirais?
Average temperature in September
Palmeirais, Brazil
- Average high temperature in September: 36.5°C
The warmest months (with the highest average high temperature) are September and October (36.5°C).
The months with the lowest average high temperature are March and April (31.4°C).
- Average low temperature in September: 23.5°C
The month with the highest average low temperature is October (25°C).
The coldest month (with the lowest average low temperature) is July (21.8°C).
Average pressure in September
Palmeirais, Brazil
- Average pressure in September: 1011.8mbar
The month with the highest atmospheric pressure is July (1013.9mbar).
The month with the lowest atmospheric pressure is November (1008.9mbar).
Average wind speed in September
Palmeirais, Brazil
- Average wind speed in September: 14.2km/h
The windiest month (with the highest average wind speed) is July (15.9km/h).
The calmest month (with the lowest average wind speed) is March (7.3km/h).
Average humidity in September
Palmeirais, Brazil
- Average humidity in September: 39%
The month with the highest relative humidity is March (78%).
The month with the lowest relative humidity is September (39%).
Average rainfall in September
Palmeirais, Brazil
- Average rainfall in September: 3mm
The wettest month (with the highest rainfall) is March (137mm).
The driest month (with the least rainfall) is August (0mm).
Average rainfall days in September
Palmeirais, Brazil
- Average rainfall days in September: 2.5 days
The month with the highest number of rainy days is March (26.8 days).
The month with the least rainy days is August (0.5 days).
Average daylight in September /
Average sunshine in September
Palmeirais, Brazil
- Average daylight in September: 12h and 1min
The month with the longest days is December (Average daylight: 12h and 30min).
The month with the shortest days is June (Average daylight: 11h and 48min).
- Average sunshine in September: 9h and 5min
The month with the most sunshine is September (Average sunshine: 9h and 54min).
The month with the least sunshine is April (Average sunshine: 7h and 24min).
Average sunshine days in September
Palmeirais, Brazil
- Average sunshine days in September: 27.2 days
The month with the most sunshine days is August (30.2 days).
The month with the least sunshine days is March (3.1 days).
Average UV index in September
Palmeirais, Brazil
- Average UV index in September: 8
The month with the highest UV index is September (UV index 8).
The months with the lowest UV index are January, February, March, April, May, June, July, August, October, November and December (UV index 7).
Average cloud cover in September
Palmeirais, Brazil
- Average cloud cover in September: 17
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in September
Palmeirais, Brazil
- Average visibility in September: 10km
The months with the highest visibility are May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March and April (9km).
