September weather forecastItapaci, Brazil

September

Weather in September

September, the first month of the spring in Itapaci, is also a hot month, with temperature in the range of an average high of 33.5°C (92.3°F) and an average low of 20.4°C (68.7°F).

Temperature

With average high temperatures of 33.5°C (92.3°F) and lows of 20.4°C (68.7°F), September is the warmest month.

Heat index

The heat index value for September is calculated to be a very hot 35°C (95°F). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Note that heat index values are valued for light wind and location in the shade. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.
By perspiring, the human body can shed its excessive warmth since evaporated sweat cools it off. In the presence of high relative humidity, the evaporation rate diminishes, resulting in the body retaining more warmth compared to dry conditions. Heat-related disorders may develop if heat gain in the body overshadows its cooling capacity, leading to elevated temperatures.

Humidity

September is the least humid month in Itapaci, with an average relative humidity of 40%.

Rainfall

In Itapaci, during September, the rain falls for 7.9 days and regularly aggregates up to 16mm (0.63") of precipitation. Throughout the year, in Itapaci, there are 219.6 rainfall days, and 1537mm (60.51") of precipitation is accumulated.

Daylight

The average length of the day in September is 12h and 1min.
On the first day of September in Itapaci, sunrise is at 06:22 and sunset at 18:13. On the last day of the month, sunrise is at 06:01 and sunset at 18:14 -03.

Sunshine

In Itapaci, the average sunshine in September is 9.7h.

UV index

The months with the highest UV index in Itapaci are August and September, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for the average person.
Note: The maximum daily UV index of 7 during September translates into the following directions:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.

Frequently asked questions

September, with its average high-temperature of 33.5°C (92.3°F) and an average low-temperature of 20.4°C (68.7°F), holds the record as the warmest month.

The high-temperature, in September, in Itapaci, is 33.5°C (92.3°F), while the low-temperature averages to 20.4°C (68.7°F). In September, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is calculated to be 35°C (95°F).

The least humid month in Itapaci is September, with an average relative humidity of 40%.

In September, the average relative humidity in Itapaci is 40%.

In September, in Itapaci, Brazil, the rain falls for 7.9 days. Throughout September, 16mm (0.63") of precipitation is accumulated.

The average day length in September is 12h and 1min.

On the first day of September, sunrise is at 06:22 and sunset at 18:13. On the last day of the month, sunrise is at 06:01 and sunset at 18:14 -03.

In Itapaci, the average sunshine duration in September is 9.7h.

The months with the highest UV index are August and September, with an average maximum UV index of 7.

The average daily maximum UV index in September in Itapaci is 7. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation.
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
Itapaci, Brazil

  • Average high temperature in September: 33.5°C

The warmest month (with the highest average high temperature) is September (33.5°C).
The month with the lowest average high temperature is January (27°C).

  • Average low temperature in September: 20.4°C

The month with the highest average low temperature is October (21°C).
The coldest month (with the lowest average low temperature) is July (16.1°C).

Average pressure in September
Itapaci, Brazil

  • Average pressure in September: 1013.5mbar

The month with the highest atmospheric pressure is July (1017mbar).
The month with the lowest atmospheric pressure is November (1011mbar).

Average wind speed in September
Itapaci, Brazil

  • Average wind speed in September: 8.1km/h

The windiest month (with the highest average wind speed) is August (8.3km/h).
The calmest month (with the lowest average wind speed) is March (5.2km/h).

Average humidity in September
Itapaci, Brazil

  • Average humidity in September: 40%

The month with the highest relative humidity is March (88%).
The month with the lowest relative humidity is September (40%).

Average rainfall in September
Itapaci, Brazil

  • Average rainfall in September: 16mm

The wettest month (with the highest rainfall) is November (266mm).
The driest month (with the least rainfall) is July (1mm).

Average rainfall days in September
Itapaci, Brazil

  • Average rainfall days in September: 7.9 days

The months with the highest number of rainy days are January and December (29.3 days).
The month with the least rainy days is August (1.3 days).

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

  • Average daylight in September: 12h and 0min

The month with the longest days is December (Average daylight: 13h and 0min).
The month with the shortest days is June (Average daylight: 11h and 18min).

  • Average sunshine in September: 9h and 42min

The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 54min).

Average sunshine days in September
Itapaci, Brazil

  • Average sunshine days in September: 21.3 days

The month with the most sunshine days is August (29 days).
The months with the least sunshine days are February and November (0.7 days).

Average UV index in September
Itapaci, Brazil

  • Average UV index in September: 7

The months with the highest UV index are August and September (UV index 7).
The months with the lowest UV index are February and December (UV index 5).

Average cloud cover in September
Itapaci, Brazil

  • Average cloud cover in September: 15

The month with the most cloud cover is December (Cloud cover 56).
The months with the least cloud cover are July and August (Cloud cover 11).

Average visibility in September
Itapaci, Brazil

  • Average visibility in September: 10km

The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January, February and March (7km).