September weather forecastTeresópolis, Brazil

September

Weather in September

September, the first month of the spring in Teresópolis, is also a moderately hot month, with an average temperature ranging between max 25.3°C (77.5°F) and min 15.4°C (59.7°F).

Temperature

Teresópolis signifies an average high-temperature of a still warm 25.3°C (77.5°F) in September, closely mirroring the 23.3°C (73.9°F) of August. In Teresópolis, the average low-temperature during the month of September is a moderate 15.4°C (59.7°F).

Humidity

The least humid month in Teresópolis is September, with an average relative humidity of 79%.

Rainfall

In Teresópolis, Brazil, in September, during 13.7 rainfall days, 42mm (1.65") of precipitation is typically accumulated. Throughout the year, there are 222.1 rainfall days, and 1069mm (42.09") of precipitation is accumulated.

Daylight

In September, the average length of the day in Teresópolis is 11h and 59min.
On the first day of the month, sunrise is at 06:01 and sunset at 17:42. On the last day of September, sunrise is at 05:32 and sunset at 17:50 -03.

Sunshine

The average sunshine in September in Teresópolis, Brazil, is 7.9h.

UV index

The months with the lowest UV index are February through November, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A maximum high daily UV index of 5 during September translates into the following directions:
Make use of precautions - It is urged to ward off sun damage. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.

Frequently asked questions

In September, in Teresópolis, the average high-temperature is 25.3°C (77.5°F), and the average low-temperature is 15.4°C (59.7°F). In February, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines relative humidity and air temperature, is computed to be 32°C (89.6°F).

The least humid month is September, with an average relative humidity of 79%.

In September, the average relative humidity in Teresópolis is 79%.

In Teresópolis, Brazil, in September, during 13.7 rainfall days, 42mm (1.65") of precipitation is typically accumulated.

The average day length in September in Teresópolis is 11h and 59min.

In September, on the first day of the month, sunrise is at 06:01 and sunset at 17:42. On the last day of the month, sunrise is at 05:32 and sunset at 17:50 -03.

In Teresópolis, Brazil, the average sunshine duration in September is 7.9h.

The months with the lowest UV index in Teresópolis are February through November, with an average maximum UV index of 5.

The average daily maximum UV index in September in Teresópolis, Brazil, is 5. A UV Index estimate of 3 to 5 represents a medium 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
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Teresópolis, Brazil

  • Average high temperature in September: 25.3°C

The warmest month (with the highest average high temperature) is February (27.8°C).
The month with the lowest average high temperature is June (22.1°C).

  • Average low temperature in September: 15.4°C

The month with the highest average low temperature is January (19.4°C).
The coldest month (with the lowest average low temperature) is August (13.8°C).

Average pressure in September
Teresópolis, Brazil

  • Average pressure in September: 1017.9mbar

The month with the highest atmospheric pressure is July (1020.7mbar).
The month with the lowest atmospheric pressure is December (1012.1mbar).

Average wind speed in September
Teresópolis, Brazil

  • Average wind speed in September: 6.6km/h

The windiest month (with the highest average wind speed) is September (6.6km/h).
The calmest months (with the lowest average wind speed) are March and April (5km/h).

Average humidity in September
Teresópolis, Brazil

  • Average humidity in September: 79%

The months with the highest relative humidity are March and April (89%).
The month with the lowest relative humidity is September (79%).

Average rainfall in September
Teresópolis, Brazil

  • Average rainfall in September: 42mm

The wettest month (with the highest rainfall) is November (172mm).
The driest month (with the least rainfall) is July (31mm).

Average rainfall days in September
Teresópolis, Brazil

  • Average rainfall days in September: 13.7 days

The month with the highest number of rainy days is March (26.2 days).
The month with the least rainy days is August (11.1 days).

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

  • Average daylight in September: 12h and 0min

The month with the longest days is December (Average daylight: 13h and 30min).
The month with the shortest days is June (Average daylight: 10h and 48min).

  • Average sunshine in September: 7h and 54min

The month with the most sunshine is February (Average sunshine: 8h and 6min).
The month with the least sunshine is November (Average sunshine: 6h and 36min).

Average sunshine days in September
Teresópolis, Brazil

  • Average sunshine days in September: 13.8 days

The month with the most sunshine days is August (16.3 days).
The month with the least sunshine days is March (3.8 days).

Average UV index in September
Teresópolis, Brazil

  • Average UV index in September: 5

The months with the highest UV index are January and December (UV index 6).
The months with the lowest UV index are February, March, April, May, June, July, August, September, October and November (UV index 5).

Average cloud cover in September
Teresópolis, Brazil

  • Average cloud cover in September: 37

The month with the most cloud cover is November (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 34).

Average visibility in September
Teresópolis, Brazil

  • Average visibility in September: 8km

The months with the highest visibility are February, July, August and September (8km).
The months with the lowest visibility are March, April and May (6km).