September weather forecastAlhandra, Brazil

September

Weather in September

September, the first month of the spring in Alhandra, is also a moderately hot month, with an average temperature varying between 21.7°C (71.1°F) and 28.1°C (82.6°F).

Temperature

The average high-temperature in September, at a still moderately hot 28.1°C (82.6°F), reveals a modest deviation from August's 27.6°C (81.7°F). Alhandra reports an average nighttime low-temperature of 21.7°C (71.1°F) in September.

Heat index

The heat index in September is appraised at a hot 32°C (89.6°F). Persistent activity under exposure might lead to a feeling of weariness, with subsequent heat cramps.
Be aware that heat index ratings are designed for shaded locations and minor breezes. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. In direct sunlight, the heat's impact can be heightened, potentially leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.

Humidity

In September, the average relative humidity is 78%.

Rainfall

In Alhandra, in September, during 17.8 rainfall days, 24mm (0.94") of precipitation is typically accumulated. In Alhandra, Brazil, during the entire year, the rain falls for 200.7 days and collects up to 437mm (17.2") of precipitation.

Daylight

In September, the average length of the day in Alhandra, Brazil, is 12h and 4min.
On the first day of September in Alhandra, sunrise is at 05:20 and sunset at 17:18. On the last day of the month, sunrise is at 05:04 and sunset at 17:14 -03.

Sunshine

The average sunshine in September in Alhandra is 7.3h.

UV index

In Alhandra, the average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A typical high UV index of 6 in September suggests the following recommendations:
Fend off overexposure. Sun protection is vital. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.

Frequently asked questions

In Alhandra, 28.1°C (82.6°F) is the average high-temperature and 21.7°C (71.1°F) is the average low-temperature during September. In September, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which represents the influence of relative humidity on air temperature, is appraised at 32°C (89.6°F).

The average relative humidity in September in Alhandra, Brazil, is 78%.

In September, the rain falls for 17.8 days. Throughout September, 24mm (0.94") of precipitation is accumulated.

In Alhandra, Brazil, the average day length in September is 12h and 4min.

In September, on the first day of the month, sunrise is at 05:20 and sunset at 17:18. On the last day of the month, in Alhandra, sunrise is at 05:04 and sunset at 17:14 -03.

In September, the average sunshine duration in Alhandra is 7.3h.

In Alhandra, Brazil, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Alhandra, Brazil

  • Average high temperature in September: 28.1°C

The warmest month (with the highest average high temperature) is March (31.4°C).
The month with the lowest average high temperature is July (27°C).

  • Average low temperature in September: 21.7°C

The months with the highest average low temperature are February and March (24.3°C).
The coldest month (with the lowest average low temperature) is August (21.3°C).

Average pressure in September
Alhandra, Brazil

  • Average pressure in September: 1015.6mbar

The month with the highest atmospheric pressure is August (1016.2mbar).
The months with the lowest atmospheric pressure are February and March (1011.9mbar).

Average wind speed in September
Alhandra, Brazil

  • Average wind speed in September: 13.4km/h

The windiest month (with the highest average wind speed) is September (13.4km/h).
The calmest month (with the lowest average wind speed) is April (9.6km/h).

Average humidity in September
Alhandra, Brazil

  • Average humidity in September: 78%

The month with the highest relative humidity is July (85%).
The months with the lowest relative humidity are November and December (72%).

Average rainfall in September
Alhandra, Brazil

  • Average rainfall in September: 24mm

The wettest month (with the highest rainfall) is July (78mm).
The driest month (with the least rainfall) is November (13mm).

Average rainfall days in September
Alhandra, Brazil

  • Average rainfall days in September: 17.8 days

The month with the highest number of rainy days is July (23 days).
The month with the least rainy days is February (12.7 days).

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

  • Average daylight in September: 12h and 6min

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 42min).

  • Average sunshine in September: 7h and 18min

The month with the most sunshine is March (Average sunshine: 7h and 30min).
The month with the least sunshine is July (Average sunshine: 6h and 12min).

Average sunshine days in September
Alhandra, Brazil

  • Average sunshine days in September: 7.3 days

The month with the most sunshine days is March (15.3 days).
The month with the least sunshine days is July (6.2 days).

Average UV index in September
Alhandra, Brazil

  • Average UV index in September: 6

The months with the highest UV index are January, February, March, April, October, November and December (UV index 7).
The months with the lowest UV index are July and August (UV index 5).

Average cloud cover in September
Alhandra, Brazil

  • Average cloud cover in September: 49

The month with the most cloud cover is July (Cloud cover 56).
The month with the least cloud cover is March (Cloud cover 42).

Average visibility in September
Alhandra, Brazil

  • Average visibility in September: 10km

The months with the highest visibility are January, February, March, September, October, November and December (10km).
The months with the lowest visibility are April, May, June, July and August (9km).