September weather forecastDianópolis, Brazil

September

Weather in September

September, the first month of the spring in Dianópolis, is also a hot month, with an average temperature fluctuating between 21.2°C (70.2°F) and 33.9°C (93°F).

Temperature

September is the month when Dianópolis's temperatures reach their peak, with averages of 33.9°C (93°F) and lows of 21.2°C (70.2°F).

Humidity

The least humid month in Dianópolis is September, with an average relative humidity of 37%.

Rainfall

In Dianópolis, during September, the rain falls for 3.6 days and regularly aggregates up to 8mm (0.31") of precipitation. Throughout the year, in Dianópolis, there are 189.7 rainfall days, and 1222mm (48.11") of precipitation is accumulated.

Daylight

The average length of the day in September is 12h and 2min.
On the first day of September, sunrise is at 06:10 and sunset at 18:04. On the last day of the month, sunrise is at 05:50 and sunset at 18:03 -03.

Sunshine

In September, the average sunshine in Dianópolis is 10.8h.

UV index

The months with the highest UV index in Dianópolis are August and September, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: The daily maximum UV index of 7 in September interprets into the following advice:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.

Frequently asked questions

Dianópolis's temperatures tend to reach their peak averages in September, with a high of 33.9°C (93°F) and a low of 21.2°C (70.2°F).

In September, the average high-temperature and low-temperature in Dianópolis are 33.9°C (93°F) and 21.2°C (70.2°F) respectively. In August, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines relative humidity and air temperature, is appraised at 32°C (89.6°F).

With an average relative humidity of 37%, September is the least humid month.

The average relative humidity in September is 37%.

In Dianópolis, during September, the rain falls for 3.6 days and regularly aggregates up to 8mm (0.31") of precipitation.

In Dianópolis, Brazil, the average day length in September is 12h and 2min.

In September, on the first day of the month, sunrise is at 06:10 and sunset at 18:04. On the last day of the month, in Dianópolis, Brazil, sunrise is at 05:50 and sunset at 18:03 -03.

In Dianópolis, the average sunshine duration in September is 10.8h.

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

The average daily maximum UV index in September in Dianópolis, Brazil, is 7. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to 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 days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Dianópolis, Brazil

  • Average high temperature in September: 33.9°C

The warmest month (with the highest average high temperature) is September (33.9°C).
The months with the lowest average high temperature are January, April and May (28.3°C).

  • Average low temperature in September: 21.2°C

The month with the highest average low temperature is October (22.3°C).
The coldest month (with the lowest average low temperature) is July (18.4°C).

Average pressure in September
Dianópolis, Brazil

  • Average pressure in September: 1013.3mbar

The month with the highest atmospheric pressure is July (1016.4mbar).
The month with the lowest atmospheric pressure is November (1010.8mbar).

Average wind speed in September
Dianópolis, Brazil

  • Average wind speed in September: 12.1km/h

The windiest month (with the highest average wind speed) is August (12.8km/h).
The calmest month (with the lowest average wind speed) is March (6km/h).

Average humidity in September
Dianópolis, Brazil

  • Average humidity in September: 37%

The month with the highest relative humidity is March (82%).
The month with the lowest relative humidity is September (37%).

Average rainfall in September
Dianópolis, Brazil

  • Average rainfall in September: 8mm

The wettest month (with the highest rainfall) is March (207mm).
The driest month (with the least rainfall) is July (0mm).

Average rainfall days in September
Dianópolis, Brazil

  • Average rainfall days in September: 3.6 days

The month with the highest number of rainy days is March (28 days).
The month with the least rainy days is August (0.6 days).

Average daylight in September /
Average sunshine in September
Dianópolis, 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: 10h and 48min

The month with the most sunshine is October (Average sunshine: 10h and 54min).
The month with the least sunshine is May (Average sunshine: 7h and 0min).

Average sunshine days in September
Dianópolis, Brazil

  • Average sunshine days in September: 26.1 days

The month with the most sunshine days is July (30.3 days).
The month with the least sunshine days is March (2.3 days).

Average UV index in September
Dianópolis, 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 January, February, March, April, May, June, July, October, November and December (UV index 6).

Average cloud cover in September
Dianópolis, Brazil

  • Average cloud cover in September: 13

The month with the most cloud cover is March (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 11).

Average visibility in September
Dianópolis, Brazil

  • Average visibility in September: 10km

The months with the highest visibility are June, July, August, September and October (10km).
The months with the lowest visibility are January, March and April (8km).