September weather forecastItabuna, Brazil

September

Weather in September

The first month of the spring, September, is also a moderately hot month in Itabuna, Brazil, with an average temperature fluctuating between 18.9°C (66°F) and 26.5°C (79.7°F).

Temperature

The arrival of September brings an average high-temperature of a still warm 26.5°C (79.7°F), nearly identical to August's 25.7°C (78.3°F). In Itabuna, the average low-temperature during the month of September is an enjoyable 18.9°C (66°F).

Humidity

The average relative humidity in September in Itabuna is 83%.

Rainfall

September is the month with the least rainfall in Itabuna. Rain falls for 15.5 days and accumulates 26mm (1.02") of precipitation.

Daylight

In September, the average length of the day in Itabuna is 12h and 1min.
On the first day of September in Itabuna, sunrise is at 05:41 and sunset at 17:32. On the last day of the month, sunrise is at 05:20 and sunset at 17:33 -03.

Sunshine

In Itabuna, the average sunshine in September is 6.7h.

UV index

January through December, with an average maximum UV index of 6, are months with the highest UV index. January through December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A maximum daily UV index of 6 during September morphs into the following directions:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. A hat with a broad brim is indispensable, filtering out up to half of UV rays.

Frequently asked questions

In September, the average high-temperature and low-temperature in Itabuna are 26.5°C (79.7°F) and 18.9°C (66°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 May is computed to be 32°C (89.6°F).

In September, the average relative humidity in Itabuna is 83%.

September is the month with the least rainfall in Itabuna, Brazil. Rain falls for 15.5 days and accumulates 26mm (1.02") of precipitation.

In Itabuna, during September, the rain falls for 15.5 days and regularly aggregates up to 26mm (1.02") of precipitation.

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

On the first day of September in Itabuna, Brazil, sunrise is at 05:41 and sunset at 17:32. On the last day of the month, sunrise is at 05:20 and sunset at 17:33 -03.

The average sunshine duration in September is 6.7h.

January through December, with an average maximum UV index of 6, are months with the highest UV index in Itabuna, Brazil.

January through December, with an average maximum UV index of 6, are months with the lowest UV index.

The average daily maximum UV index in September in Itabuna is 6. A UV Index value of 6 to 7 symbolizes a high health threat 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
Itabuna, Brazil

  • Average high temperature in September: 26.5°C

The warmest month (with the highest average high temperature) is March (30.1°C).
The month with the lowest average high temperature is July (25.4°C).

  • Average low temperature in September: 18.9°C

The month with the highest average low temperature is March (21.7°C).
The coldest month (with the lowest average low temperature) is August (18.1°C).

Average pressure in September
Itabuna, Brazil

  • Average pressure in September: 1018mbar

The month with the highest atmospheric pressure is July (1019.4mbar).
The month with the lowest atmospheric pressure is December (1012.9mbar).

Average wind speed in September
Itabuna, Brazil

  • Average wind speed in September: 7.6km/h

The windiest month (with the highest average wind speed) is September (7.6km/h).
The calmest months (with the lowest average wind speed) are February, March and April (6.3km/h).

Average humidity in September
Itabuna, Brazil

  • Average humidity in September: 83%

The months with the highest relative humidity are June and July (86%).
The month with the lowest relative humidity is February (81%).

Average rainfall in September
Itabuna, Brazil

  • Average rainfall in September: 26mm

The wettest month (with the highest rainfall) is March (90mm).
The driest month (with the least rainfall) is September (26mm).

Average rainfall days in September
Itabuna, Brazil

  • Average rainfall days in September: 15.5 days

The month with the highest number of rainy days is January (23.7 days).
The month with the least rainy days is September (15.5 days).

Average daylight in September /
Average sunshine in September
Itabuna, 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: 6h and 42min

The month with the most sunshine is February (Average sunshine: 9h and 42min).
The month with the least sunshine is July (Average sunshine: 5h and 30min).

Average sunshine days in September
Itabuna, Brazil

  • Average sunshine days in September: 9.9 days

The month with the most sunshine days is August (10.3 days).
The month with the least sunshine days is February (3.6 days).

Average UV index in September
Itabuna, Brazil

  • Average UV index in September: 6

The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 6).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 6).

Average cloud cover in September
Itabuna, Brazil

  • Average cloud cover in September: 49

The month with the most cloud cover is November (Cloud cover 57).
The month with the least cloud cover is February (Cloud cover 45).

Average visibility in September
Itabuna, Brazil

  • Average visibility in September: 8km

The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (8km).
The month with the lowest visibility is July (7km).