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 average high-temperature during September is a moderately hot 23.5°C (74.3°F), almost matching the conditions of the preceding month. São Lourenço da Serra experiences a mean temperature of 15.5°C (59.9°F) during September nights.Humidity
In São Lourenço da Serra, the average relative humidity in September is 80%.Rainfall
In São Lourenço da Serra, in September, during 12 rainfall days, 33mm (1.3") of precipitation is typically accumulated. In São Lourenço da Serra, Brazil, during the entire year, the rain falls for 192.2 days and collects up to 591mm (23.27") 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 06:17 and sunset at 17:57. On the last day of September, in São Lourenço da Serra, sunrise is at 05:48 and sunset at 18:06 -03.
Sunshine
The months with the most sunshine in São Lourenço da Serra are July and September, with an average of 7.7h of sunshine.UV index
The months with the lowest UV index are February, April through September and November, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: In September, a daily UV index of 5 turns into the following recommendations:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Experience reduced UV exposure by about half when donning a wide-brim hat.
Frequently asked questions
What are September temperatures in São Lourenço da Serra?
What is the average humidity in September in São Lourenço da Serra?
How much does it rain in São Lourenço da Serra in September?
How many hours of daylight does São Lourenço da Serra have in September?
What time are sunrise and sunset in September in São Lourenço da Serra?
What is the month with the most sunshine in São Lourenço da Serra?
How long on average sun shines in September in São Lourenço da Serra?
What are the months with the lowest UV index in São Lourenço da Serra?
What is the UV index intensity in September in São Lourenço da Serra?
Average temperature in September
São Lourenço da Serra, Brazil
- Average high temperature in September: 23.5°C
The warmest month (with the highest average high temperature) is February (26.9°C).
The month with the lowest average high temperature is June (21°C).
- Average low temperature in September: 15.5°C
The month with the highest average low temperature is January (20°C).
The coldest month (with the lowest average low temperature) is August (14°C).
Average pressure in September
São Lourenço da Serra, Brazil
- Average pressure in September: 1017.3mbar
The month with the highest atmospheric pressure is July (1020.1mbar).
The month with the lowest atmospheric pressure is December (1011.7mbar).
Average wind speed in September
São Lourenço da Serra, Brazil
- Average wind speed in September: 8.4km/h
The windiest month (with the highest average wind speed) is November (8.9km/h).
The calmest month (with the lowest average wind speed) is February (7.2km/h).
Average humidity in September
São Lourenço da Serra, Brazil
- Average humidity in September: 80%
The month with the highest relative humidity is March (87%).
The month with the lowest relative humidity is August (78%).
Average rainfall in September
São Lourenço da Serra, Brazil
- Average rainfall in September: 33mm
The wettest month (with the highest rainfall) is January (94mm).
The driest month (with the least rainfall) is August (25mm).
Average rainfall days in September
São Lourenço da Serra, Brazil
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is January (22.2 days).
The month with the least rainy days is August (9.5 days).
Average daylight in September /
Average sunshine in September
São Lourenço da Serra, Brazil
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 36min).
The month with the shortest days is June (Average daylight: 10h and 42min).
- Average sunshine in September: 7h and 4min
The months with the most sunshine are July and September (Average sunshine: 7h and 42min).
The month with the least sunshine is November (Average sunshine: 6h and 30min).
Average sunshine days in September
São Lourenço da Serra, Brazil
- Average sunshine days in September: 14 days
The month with the most sunshine days is August (18.8 days).
The month with the least sunshine days is February (5.2 days).
Average UV index in September
São Lourenço da Serra, Brazil
- Average UV index in September: 5
The months with the highest UV index are January, March, October and December (UV index 6).
The months with the lowest UV index are February, April, May, June, July, August, September and November (UV index 5).
Average cloud cover in September
São Lourenço da Serra, Brazil
- Average cloud cover in September: 42
The month with the most cloud cover is November (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in September
São Lourenço da Serra, Brazil
- Average visibility in September: 8km
The month with the highest visibility is August (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, September, October, November and December (8km).
São Lourenço da Serra, Brazil
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