September weather forecast
Tomar do Geru, Brazil

September

Weather in September

September, the first month of the spring in Tomar do Geru, is still a warm month, with an average temperature fluctuating between 28.4°C (83.1°F) and 18.6°C (65.5°F).

Temperature

The shift into September records an average high-temperature of a still warm 28.4°C (83.1°F), subtly varied from August's 27.3°C (81.1°F). Throughout the month of September, Tomar do Geru witnesses an average low-temperature of 18.6°C (65.5°F).

Heat index

In September, the average heat index is computed to be a hot 33°C (91.4°F). Adopt extra preventive measures, the occurrence of heat cramps and heat exhaustion is likely. Heatstroke may follow extended activity.
It is emphasized that the heat index's values are meant for shaded zones with mild winds. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Typically, children face more danger than adults as they usually perspire less. Their larger skin surface relative to their small bodies and increased heat output from their activities enhance their risk.

Humidity

In September, the average relative humidity is 79%.

Rainfall

The month with the least rainfall is September, when the rain falls for 17.1 days and typically collects 17mm (0.67") of precipitation.

Daylight

In Tomar do Geru, the average length of the day in September is 12h and 2min.
On the first day of the month, sunrise is at 05:34 and sunset at 17:28. On the last day of September, in Tomar do Geru, sunrise is at 05:15 and sunset at 17:27 -03.

Sunshine

The average sunshine in September is 6.1h.

UV index

In Tomar do Geru, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: In September, the UV index of 6 transforms into the following advice:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.

Frequently asked questions

How hot does it get in Tomar do Geru in September?
In September, the average high-temperature and low-temperature are 28.4°C (83.1°F) and 18.6°C (65.5°F) respectively. The average heat index (a.k.a. 'real feel', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, in September is computed to be 33°C (91.4°F).
What is the average humidity in September in Tomar do Geru?
The average relative humidity in September is 79%.
What is the driest month in Tomar do Geru?
The month with the least rainfall is September, when the rain falls for 17.1 days and typically collects 17mm (0.67") of precipitation.
How many days does it rain in September in Tomar do Geru?
In Tomar do Geru, Brazil, during September, the rain falls for 17.1 days and regularly aggregates up to 17mm (0.67") of precipitation.
What is the average length of the day in September in Tomar do Geru?
In Tomar do Geru, the average day length in September is 12h and 2min.
What time are sunrise and sunset in September in Tomar do Geru?
On the first day of September in Tomar do Geru, sunrise is at 05:34 and sunset at 17:28. On the last day of the month, sunrise is at 05:15 and sunset at 17:27 -03.
How many hours of sunshine does Tomar do Geru have in September?
The average sunshine duration in September in Tomar do Geru, Brazil, is 6.1h.
What is the UV index reading in September in Tomar do Geru?
In Tomar do Geru, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September - Tomar do Geru, Brazil
Average temperature in September
Tomar do Geru, Brazil
  • Average high temperature in September: 28.4°C

The warmest month (with the highest average high temperature) is March (32.8°C).
The month with the lowest average high temperature is July (26.6°C).

  • Average low temperature in September: 18.6°C

The month with the highest average low temperature is March (22.3°C).
The coldest month (with the lowest average low temperature) is August (18.1°C).

Average pressure in September - Tomar do Geru, Brazil
Average pressure in September
Tomar do Geru, Brazil
  • Average pressure in September: 1016.5mbar

The month with the highest atmospheric pressure is August (1017.6mbar).
The months with the lowest atmospheric pressure are March and December (1011.9mbar).

Average wind speed in September - Tomar do Geru, Brazil
Average wind speed in September
Tomar do Geru, Brazil
  • Average wind speed in September: 13km/h

The windiest month (with the highest average wind speed) is November (14.2km/h).
The calmest months (with the lowest average wind speed) are April and May (10.2km/h).

Average humidity in September - Tomar do Geru, Brazil
Average humidity in September
Tomar do Geru, Brazil
  • Average humidity in September: 79%

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

Average rainfall in September - Tomar do Geru, Brazil
Average rainfall in September
Tomar do Geru, Brazil
  • Average rainfall in September: 17mm

The wettest month (with the highest rainfall) is May (58mm).
The driest month (with the least rainfall) is September (17mm).

Average rainfall days in September - Tomar do Geru, Brazil
Average rainfall days in September
Tomar do Geru, Brazil
  • Average rainfall days in September: 17.1 days

The months with the highest number of rainy days are May and July (20.2 days).
The months with the least rainy days are November and December (11.6 days).

Average daylight in September / Average sunshine in September - Tomar do Geru, Brazil
Average daylight in September /
Average sunshine in September
Tomar do Geru, Brazil
  • Average daylight in September: 12h and 0min

The month with the longest days is December (Average daylight: 12h and 48min).
The month with the shortest days is June (Average daylight: 11h and 30min).

  • Average sunshine in September: 6h and 1min

The month with the most sunshine is January (Average sunshine: 8h and 54min).
The month with the least sunshine is May (Average sunshine: 5h and 6min).

Average sunshine days in September - Tomar do Geru, Brazil
Average sunshine days in September
Tomar do Geru, Brazil
  • Average sunshine days in September: 9.5 days

The month with the most sunshine days is December (15.5 days).
The month with the least sunshine days is August (6.4 days).

Average UV index in September - Tomar do Geru, Brazil
Average UV index in September
Tomar do Geru, Brazil
  • Average UV index in September: 6

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

Average cloud cover in September - Tomar do Geru, Brazil
Average cloud cover in September
Tomar do Geru, Brazil
  • Average cloud cover in September: 57

The month with the most cloud cover is July (Cloud cover 65).
The months with the least cloud cover are March and December (Cloud cover 44).

Average visibility in September - Tomar do Geru, Brazil
Average visibility in September
Tomar do Geru, Brazil
  • Average visibility in September: 7km

The months with the highest visibility are February, March, November and December (9km).
The months with the lowest visibility are May, June, July and August (6km).

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