September weather forecast
Spangler, CA

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Weather in September

The first month of the autumn, September, is still a hot month in Spangler, California, with temperature in the range of an average low of 66.2°F (19°C) and an average high of 86.9°F (30.5°C).

Temperature

Spangler's progression into September involves a gentle drop in the average high-temperature, from a hot 94.5°F (34.7°C) in August to a still tropical 86.9°F (30.5°C). Throughout the month of September, Spangler reports a steady low-temperature average of 66.2°F (19°C).

Humidity

In September, the average relative humidity is 22%.

Rainfall

In Spangler, in September, it is raining for 1.9 days, with typically 0.12" (3mm) of accumulated precipitation. In Spangler, during the entire year, the rain falls for 29.6 days and collects up to 2.64" (67mm) of precipitation.

Snowfall

In Spangler, snow does not fall in January through October and December.

Daylight

In September, the average length of the day is 12h and 23min.
On the first day of September, sunrise is at 6:22 am and sunset at 7:16 pm. On the last day of the month, sunrise is at 6:44 am and sunset at 6:34 pm PDT.

Sunshine

The average sunshine in September is 10.8h.

UV index

In Spangler, the average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: The UV index of 6 in September translates into these instructions:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
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Frequently asked questions

How hot does it get in Spangler in September?

September temperatures vary between a high-temperature of 86.9°F (30.5°C) and a low-temperature of 66.2°F (19°C).

What is the average humidity in September in Spangler?

In Spangler, California, the average relative humidity in September is 22%.

How much does it rain in Spangler in September?

In Spangler, California, during September, the rain falls for 1.9 days and regularly aggregates up to 0.12" (3mm) of precipitation.

When it does not snow in Spangler?

In Spangler, snow does not fall in January through October and December.

How many hours of daylight does Spangler have in September?

The average day length in September in Spangler is 12h and 23min.

What time are sunrise and sunset in September in Spangler?

On the first day of September, sunrise is at 6:22 am and sunset at 7:16 pm. On the last day of the month, sunrise is at 6:44 am and sunset at 6:34 pm PDT.

How long on average sun shines in September in Spangler?

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

How high is the UV index in September in Spangler?

In Spangler, California, the average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Spangler, CA

Average temperature in September - Spangler, CA
  • Average high temperature in September: 86.9°F

The warmest month (with the highest average high temperature) is July (95.9°F).
The month with the lowest average high temperature is December (52.5°F).

  • Average low temperature in September: 66.2°F

The month with the highest average low temperature is July (72.1°F).
The coldest month (with the lowest average low temperature) is December (37.6°F).

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Average pressure in September
Spangler, CA

Average pressure in September - Spangler, CA
  • Average pressure in September: 29.87"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.82"Hg).

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Average wind speed in September
Spangler, CA

Average wind speed in September - Spangler, CA
  • Average wind speed in September: 7.2mph

The windiest month (with the highest average wind speed) is May (9.3mph).
The calmest month (with the lowest average wind speed) is January (5.7mph).

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Average humidity in September
Spangler, CA

Average humidity in September - Spangler, CA
  • Average humidity in September: 22%

The month with the highest relative humidity is January (47%).
The month with the lowest relative humidity is August (20%).

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Average rainfall in September
Spangler, CA

Average rainfall in September - Spangler, CA
  • Average rainfall in September: 0.12"

The wettest month (with the highest rainfall) is December (0.35").
The driest month (with the least rainfall) is June (0.04").

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Average rainfall days in September
Spangler, CA

Average rainfall days in September - Spangler, CA
  • Average rainfall days in September: 1.9 days

The month with the highest number of rainy days is July (4.5 days).
The month with the least rainy days is June (1.2 days).

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Average snowfall in September
Spangler, CA

Average snowfall in September - Spangler, CA
  • Average snowfall in September: 0"

The month with the highest snowfall is November (0.83").
The months with the least snowfall are January, February, March, April, May, June, July, August, September, October and December (0").

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Average snowfall days in September
Spangler, CA

Average snowfall days in September - Spangler, CA
  • Average snowfall days in September: 0 days

The months with the highest number of snowfall days are January, February, November and December (0.1 days).
The months with the least snowfall days are March, April, May, June, July, August, September and October (0 days).

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Average daylight in September /
Average sunshine in September
Spangler, CA

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

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

  • Average sunshine in September: 10h and 5min

The month with the most sunshine is June (Average sunshine: 12h and 12min).
The months with the least sunshine are January and December (Average sunshine: 7h and 6min).

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Average sunshine days in September
Spangler, CA

Average sunshine days in September - Spangler, CA
  • Average sunshine days in September: 25.4 days

The month with the most sunshine days is December (28.1 days).
The month with the least sunshine days is July (23.2 days).

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Average UV index in September
Spangler, CA

Average UV index in September - Spangler, CA
  • Average UV index in September: 6

The month with the highest UV index is July (UV index 8).
The months with the lowest UV index are January, November and December (UV index 3).

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Average cloud cover in September
Spangler, CA

Average cloud cover in September - Spangler, CA
  • Average cloud cover in September: 4

The months with the most cloud cover are January, March and December (Cloud cover 17).
The month with the least cloud cover is September (Cloud cover 4).

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Average visibility in September
Spangler, CA

Average visibility in September - Spangler, 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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Spangler, California, USA

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