September weather forecast
Rio Nido, CA

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Weather in September

The first month of the autumn, September, is still a warm month in Rio Nido, California, with an average temperature ranging between min 53.4°F (11.9°C) and max 79.9°F (26.6°C).

Temperature

The arrival of September is marked by an average high-temperature of a still moderately hot 79.9°F (26.6°C), bearing a close resemblance to August. Rio Nido demonstrates a significant disparity from daytime highs throughout the month of September, with an average nighttime temperature of 53.4°F (11.9°C).

Humidity

With an average relative humidity of 62%, September is the least humid month in Rio Nido.

Rainfall

In September, the rain falls for 1.9 days. Throughout September, 0.08" (2mm) of precipitation is accumulated. In Rio Nido, during the entire year, the rain falls for 60.1 days and collects up to 12.87" (327mm) of precipitation.

Daylight

In Rio Nido, California, the average length of the day in September is 12h and 25min.
On the first day of September in Rio Nido, California, sunrise is at 6:41 am and sunset at 7:41 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 6:55 pm PDT.

Sunshine

In September, the average sunshine is 10.8h.

UV index

The average daily maximum UV index in September in Rio Nido is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for average individuals.
Note: A maximum high UV index of 5 in September translates into the following recommendations:
Undertake precautions - It is suggested to shield oneself from sunburn. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
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Frequently asked questions

What is the usual temperature for Rio Nido in September?

The high-temperature during September is 79.9°F (26.6°C) and the low-temperature is 53.4°F (11.9°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines relative humidity and air temperature, in August is appraised at 84.2°F (29°C).

What is the least humid month in Rio Nido?

With an average relative humidity of 62%, September is the least humid month in Rio Nido, California.

What is the average humidity in September in Rio Nido?

In Rio Nido, California, the average relative humidity in September is 62%.

How many days does it rain in September in Rio Nido?

In Rio Nido, during September, the rain falls for 1.9 days and regularly aggregates up to 0.08" (2mm) of precipitation.

What is the average length of the day in September in Rio Nido?

In Rio Nido, the average day length in September is 12h and 25min.

When are sunrise and sunset in September in Rio Nido?

In September, on the first day of the month, sunrise is at 6:41 am and sunset at 7:41 pm. On the last day of the month, in Rio Nido, sunrise is at 7:07 am and sunset at 6:55 pm PDT.

How long on average sun shines in September in Rio Nido?

The average sunshine duration in September in Rio Nido, California, is 10.8h.

How high is the UV index in September in Rio Nido?

The average daily maximum UV index in September in Rio Nido is 5. A UV Index estimate of 3 to 5 represents a moderate health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Rio Nido, CA

Average temperature in September - Rio Nido, CA
  • Average high temperature in September: 79.9°F

The warmest month (with the highest average high temperature) is August (81°F).
The month with the lowest average high temperature is December (56.3°F).

  • Average low temperature in September: 53.4°F

The months with the highest average low temperature are August and September (53.4°F).
The coldest month (with the lowest average low temperature) is December (41.4°F).

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Average pressure in September
Rio Nido, CA

Average pressure in September - Rio Nido, CA
  • Average pressure in September: 29.92"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).

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Average wind speed in September
Rio Nido, CA

Average wind speed in September - Rio Nido, CA
  • Average wind speed in September: 5.3mph

The windiest month (with the highest average wind speed) is May (7.2mph).
The calmest month (with the lowest average wind speed) is November (5mph).

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Average humidity in September
Rio Nido, CA

Average humidity in September - Rio Nido, CA
  • Average humidity in September: 62%

The month with the highest relative humidity is March (77%).
The month with the lowest relative humidity is September (62%).

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Average rainfall in September
Rio Nido, CA

Average rainfall in September - Rio Nido, CA
  • Average rainfall in September: 0.08"

The wettest month (with the highest rainfall) is February (3.27").
The driest months (with the least rainfall) are July and August (0.04").

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Average rainfall days in September
Rio Nido, CA

Average rainfall days in September - Rio Nido, CA
  • Average rainfall days in September: 1.9 days

The month with the highest number of rainy days is March (10.3 days).
The month with the least rainy days is August (0.9 days).

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Average daylight in September /
Average sunshine in September
Rio Nido, CA

Average daylight in September / Average sunshine in September - Rio Nido, CA
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in September: 10h and 5min

The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).

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Average sunshine days in September
Rio Nido, CA

Average sunshine days in September - Rio Nido, CA
  • Average sunshine days in September: 27.9 days

The month with the most sunshine days is July (28.9 days).
The month with the least sunshine days is February (19.9 days).

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Average UV index in September
Rio Nido, CA

Average UV index in September - Rio Nido, CA
  • Average UV index in September: 5

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

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Average cloud cover in September
Rio Nido, CA

Average cloud cover in September - Rio Nido, CA
  • Average cloud cover in September: 12

The month with the most cloud cover is March (Cloud cover 42).
The month with the least cloud cover is July (Cloud cover 11).

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Average visibility in September
Rio Nido, CA

Average visibility in September - Rio Nido, CA
  • Average visibility in September: 6mi

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

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Rio Nido, California, USA

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