September weather forecastSerranos, Brazil

September

Weather in September

September, the first month of the spring in Serranos, is also a moderately hot month, with an average temperature ranging between max 25.5°C (77.9°F) and min 13.1°C (55.6°F).

Temperature

The highest point of temperatures falls in September and October, when the average high-temperature ascends to 25.5°C (77.9°F).

Humidity

The least humid month is September, with an average relative humidity of 71%.

Rainfall

In Serranos, during September, the rain falls for 10.9 days and regularly aggregates up to 41mm (1.61") of precipitation. In Serranos, during the entire year, the rain falls for 193.7 days and collects up to 923mm (36.34") of precipitation.

Daylight

In September, the average length of the day is 11h and 59min.
On the first day of September, sunrise is at 06:07 and sunset at 17:48. On the last day of the month, sunrise is at 05:39 and sunset at 17:56 -03.

Sunshine

The month with the most sunshine is September, with an average of 9.2h of sunshine.

UV index

The months with the highest UV index in Serranos are January through May, July through December, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: In September, the average maximum UV index of 5 translates into the following recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.

Updated: Jul 17, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The months of September and October are noted for their peak temperatures, with an average high-temperature of 25.5°C (77.9°F).

The high-temperature, in September, in Serranos, is 25.5°C (77.9°F), while the low-temperature averages to 13.1°C (55.6°F).

September is the least humid month, with an average relative humidity of 71%.

In September, the average relative humidity is 71%.

In Serranos, in September, it is raining for 10.9 days, with typically 41mm (1.61") of accumulated precipitation.

The average day length in September is 11h and 59min.

On the first day of September, sunrise is at 06:07 and sunset at 17:48. On the last day of the month, sunrise is at 05:39 and sunset at 17:56 -03.

September has the most sunshine of the year in Serranos, with an average of 9.2h of sunshine.

In Serranos, the average sunshine duration in September is 9.2h.

January through May, July through December, with an average maximum UV index of 5, are months with the highest UV index in Serranos.

The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from unprotected exposure to UV radiation.

Today

Tomorrow

Long-term

Year J F M A M J J A September O N D

Aug

September

Oct

Average high temperature

23°C

25.5°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

7.6km/h

7.9km/h

8.2km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

21.4

15.5

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Serranos, Brazil

Average high temperature in September: 25.5°C

The warmest months (with the highest average high temperature) are September and October (25.5°C).
The month with the lowest average high temperature is June (20.4°C).

Average low temperature in September: 13.1°C

The month with the highest average low temperature is January (16.7°C).
The coldest month (with the lowest average low temperature) is July (10.3°C).

Average pressure in September
Serranos, Brazil

Average pressure in September: 1017.7mbar

The month with the highest atmospheric pressure is July (1020.8mbar).
The month with the lowest atmospheric pressure is December (1012.8mbar).

Average wind speed in September
Serranos, Brazil

Average wind speed in September: 7.5km/h

The windiest months (with the highest average wind speed) are September and October (7.5km/h).
The calmest month (with the lowest average wind speed) is February (5.8km/h).

Average humidity in September
Serranos, Brazil

Average humidity in September: 71%

The months with the highest relative humidity are March and April (88%).
The month with the lowest relative humidity is September (71%).

Average rainfall in September
Serranos, Brazil

Average rainfall in September: 41mm

The wettest month (with the highest rainfall) is January (175mm).
The driest month (with the least rainfall) is June (12mm).

Average rainfall days in September
Serranos, Brazil

Average rainfall days in September: 10.9 days

The month with the highest number of rainy days is December (24.7 days).
The month with the least rainy days is August (6.2 days).

Average daylight in September /
Average sunshine in September
Serranos, Brazil

Average daylight in September: 12h and 0min

The month with the longest days is December (Average daylight: 13h and 24min).
The month with the shortest days is June (Average daylight: 10h and 48min).

Average sunshine in September: 9h and 12min

The month with the most sunshine is September (Average sunshine: 9h and 12min).
The month with the least sunshine is January (Average sunshine: 7h and 6min).

Average sunshine days in September
Serranos, Brazil

Average sunshine days in September: 15.5 days

The month with the most sunshine days is August (21.4 days).
The month with the least sunshine days is November (4.3 days).

Average UV index in September
Serranos, Brazil

Average UV index in September: 5

The months with the highest UV index are January, February, March, April, May, July, August, September, October, November and December (UV index 5).
The month with the lowest UV index is June (UV index 4).