September weather forecastArque, Bolivia

September

Weather in September

September, the first month of the spring in Arque, is still a refreshing month, with temperature in the range of an average high of 17.4°C (63.3°F) and an average low of 6.5°C (43.7°F).

Temperature

The average high-temperature during September registers at a still refreshing 17.4°C (63.3°F), maintaining a close resemblance to the previous month. Arque observes an average low-temperature of 6.5°C (43.7°F) during September nights.

Humidity

The average relative humidity in September is 57%.

Rainfall

In September, the rain falls for 12 days. Throughout September, 31mm (1.22") of precipitation is accumulated. Throughout the year, there are 191.7 rainfall days, and 836mm (32.91") of precipitation is accumulated.

Snowfall

In Arque, Bolivia, snow does not fall in January through June, August through December.

Daylight

In Arque, the average length of the day in September is 12h and 1min.
On the first day of the month, sunrise is at 06:32 and sunset at 18:18. On the last day of September, in Arque, sunrise is at 06:07 and sunset at 18:23 -04.

Sunshine

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

UV index

January through June, August through December, with an average maximum UV index of 4, are months with the highest UV index. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: In September, the maximum UV index of 4 transforms into these recommendations:
Act with care - The need to guard against sun damage is communicated. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. During bright days, sunglasses that offer UVA and UVB defense are recommended.

Frequently asked questions

The average high-temperature and low-temperature in Arque during September are 17.4°C (63.3°F) and 6.5°C (43.7°F) respectively.

In Arque, the average relative humidity in September is 57%.

In September, in Arque, the rain falls for 12 days. Throughout September, 31mm (1.22") of precipitation is accumulated.

January through June, August through December are months without snowfall.

In Arque, the average day length in September is 12h and 1min.

In September, on the first day of the month, sunrise is at 06:32 and sunset at 18:18. On the last day of the month, sunrise is at 06:07 and sunset at 18:23 -04.

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

The months with the highest UV index are January through June, August through December, with an average maximum UV index of 4.

In September, the average daily maximum UV index in Arque, Bolivia, is 4. 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 snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Arque, Bolivia

  • Average high temperature in September: 17.4°C

The warmest month (with the highest average high temperature) is November (18.8°C).
The month with the lowest average high temperature is July (16.1°C).

  • Average low temperature in September: 6.5°C

The month with the highest average low temperature is December (9.8°C).
The coldest month (with the lowest average low temperature) is July (4.4°C).

Average pressure in September
Arque, Bolivia

  • Average pressure in September: 1015.5mbar

The month with the highest atmospheric pressure is July (1017.3mbar).
The month with the lowest atmospheric pressure is November (1011.6mbar).

Average wind speed in September
Arque, Bolivia

  • Average wind speed in September: 10.9km/h

The windiest month (with the highest average wind speed) is September (10.9km/h).
The calmest month (with the lowest average wind speed) is February (7km/h).

Average humidity in September
Arque, Bolivia

  • Average humidity in September: 57%

The month with the highest relative humidity is February (71%).
The month with the lowest relative humidity is July (53%).

Average rainfall in September
Arque, Bolivia

  • Average rainfall in September: 31mm

The wettest month (with the highest rainfall) is December (147mm).
The driest month (with the least rainfall) is June (7mm).

Average rainfall days in September
Arque, Bolivia

  • Average rainfall days in September: 12 days

The month with the highest number of rainy days is January (27.2 days).
The month with the least rainy days is June (4.9 days).

Average snowfall in September
Arque, Bolivia

  • Average snowfall in September: 0mm

The month with the highest snowfall is July (2mm).
The months with the least snowfall are January, February, March, April, May, June, August, September, October, November and December (0mm).

Average snowfall days in September
Arque, Bolivia

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is July (0.2 days).
The months with the least snowfall days are January, February, March, April, May, June, September, October, November and December (0 days).

Average daylight in September /
Average sunshine in September
Arque, Bolivia

  • Average daylight in September: 12h and 0min

The month with the longest days is December (Average daylight: 13h and 12min).
The month with the shortest days is June (Average daylight: 11h and 6min).

  • Average sunshine in September: 9h and 42min

The month with the most sunshine is November (Average sunshine: 11h and 24min).
The month with the least sunshine is June (Average sunshine: 8h and 6min).

Average sunshine days in September
Arque, Bolivia

  • Average sunshine days in September: 5.2 days

The month with the most sunshine days is June (17.3 days).
The month with the least sunshine days is December (1.4 days).

Average UV index in September
Arque, Bolivia

  • Average UV index in September: 4

The months with the highest UV index are January, February, March, April, May, June, August, September, October, November and December (UV index 4).
The month with the lowest UV index is July (UV index 3).

Average cloud cover in September
Arque, Bolivia

  • Average cloud cover in September: 14

The month with the most cloud cover is February (Cloud cover 32).
The month with the least cloud cover is June (Cloud cover 8).

Average visibility in September
Arque, Bolivia

  • Average visibility in September: 10km

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).