September weather forecast
Bulnes, Chile

September

Weather in September

September, the first month of the spring in Bulnes, is a comfortable month, with temperature in the range of an average high of 17.2°C (63°F) and an average low of 5.6°C (42.1°F).

Temperature

In September, Bulnes experiences a minor shift in meteorological conditions with average high-temperatures marked at an enjoyable 17.2°C (63°F), closely mirroring the climate in August. An average nighttime temperature of 5.6°C (42.1°F) is noted during the month of September.

Humidity

In September, the average relative humidity is 74%.

Rainfall

In Bulnes, in September, during 9.4 rainfall days, 58mm (2.28") of precipitation is typically accumulated. In Bulnes, during the entire year, the rain falls for 88.3 days and collects up to 706mm (27.8") of precipitation.

Daylight

In Bulnes, the average length of the day in September is 11h and 53min.
On the first day of the month, sunrise is at 07:08 and sunset at 18:29 -04. On the last day of September, sunrise is at 07:25 and sunset at 19:52 -03.
Note: On Sunday, 08. September 2024, at 00:00, Daylight Saving Time starts, and the time zone changes from -04 to -03. Daylight Saving Time lasts until Sunday, 06. April 2025, at 00:00; consequently, the time zone reverts from -03 to -04.

Sunshine

The average sunshine in September is 7.8h.

UV index

May through July and September, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: The daily maximum UV index of 3 in September interprets into the following advice:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.

Frequently asked questions

What is the average September temperature?
September temperatures vary between a high-temperature of 17.2°C (63°F) and a low-temperature of 5.6°C (42.1°F). In March, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines air temperature and relative humidity, is computed to be 28°C (82.4°F).
What is the average humidity in September?
The average relative humidity in September is 74%.
How many days does it rain in September?
In Bulnes, during September, the rain falls for 9.4 days and regularly aggregates up to 58mm (2.28") of precipitation.
How many hours of daylight does Bulnes have in September?
In September, the average day length in Bulnes is 11h and 53min.
What time are sunrise and sunset in September?
On the first day of September, sunrise is at 07:08 and sunset at 18:29 -04. On the last day of the month, sunrise is at 07:25 and sunset at 19:52 -03.
When does Daylight Saving Time (DST) start in September?
On Sunday, 08. September 2024, at 00:00, Daylight Saving Time starts, and the time zone changes from -04 to -03. DST ends on Sunday, 06. April 2025, at 00:00.
How long on average sun shines in September?
In Bulnes, the average sunshine duration in September is 7.8h.
When is the lowest UV index?
May through July and September, with an average maximum UV index of 3, are months with the lowest UV index.
How high is the UV index in September?
In September, the average daily maximum UV index is 3. A UV Index reading 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September
Bulnes, Chile
  • Average high temperature in September: 17.2°C

The warmest month (with the highest average high temperature) is January (30.9°C).
The month with the lowest average high temperature is July (12.4°C).

  • Average low temperature in September: 5.6°C

The month with the highest average low temperature is January (13.4°C).
The coldest month (with the lowest average low temperature) is July (4.7°C).

Average pressure in September
Bulnes, Chile
  • Average pressure in September: 1019.7mbar

The month with the highest atmospheric pressure is July (1020.1mbar).
The month with the lowest atmospheric pressure is February (1013.8mbar).

Average wind speed in September
Bulnes, Chile
  • Average wind speed in September: 10.5km/h

The windiest month (with the highest average wind speed) is January (12.5km/h).
The calmest month (with the lowest average wind speed) is May (9.5km/h).

Average humidity in September
Bulnes, Chile
  • Average humidity in September: 74%

The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is January (50%).

Average rainfall in September
Bulnes, Chile
  • Average rainfall in September: 58mm

The wettest month (with the highest rainfall) is June (178mm).
The driest month (with the least rainfall) is January (5mm).

Average rainfall days in September
Bulnes, Chile
  • Average rainfall days in September: 9.4 days

The months with the highest number of rainy days are July and August (13.7 days).
The month with the least rainy days is January (1.8 days).

Average daylight in September /
Average sunshine in September
Bulnes, Chile
  • Average daylight in September: 11h and 5min

The month with the longest days is December (Average daylight: 14h and 36min).
The month with the shortest days is June (Average daylight: 9h and 42min).

  • Average sunshine in September: 7h and 5min

The month with the most sunshine is January (Average sunshine: 11h and 48min).
The month with the least sunshine is June (Average sunshine: 6h and 6min).

Average sunshine days in September
Bulnes, Chile
  • Average sunshine days in September: 19.2 days

The month with the most sunshine days is January (29 days).
The month with the least sunshine days is July (16.5 days).

Average UV index in September
Bulnes, Chile
  • Average UV index in September: 3

The months with the highest UV index are January and February (UV index 6).
The months with the lowest UV index are May, June, July and September (UV index 3).

Average cloud cover in September
Bulnes, Chile
  • Average cloud cover in September: 33

The months with the most cloud cover are June, July and August (Cloud cover 42).
The month with the least cloud cover is January (Cloud cover 8).

Average visibility in September
Bulnes, Chile
  • Average visibility in September: 9km

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

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