September weather forecast
Feather Falls, CA

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Feather Falls, California, with an average temperature fluctuating between 85.5°F (29.7°C) and 59°F (15°C).

Temperature

With the arrival of September, Feather Falls notices a mild change in the average high-temperature, sliding from August's hot 91.4°F (33°C) to a moderately hot 85.5°F (29.7°C). Despite the intense daytime heat, Feather Falls sustains a steady low-temperature average of 59°F (15°C) during September.

Humidity

In Feather Falls, California, the average relative humidity in September is 36%.

Rainfall

In Feather Falls, during September, the rain falls for 2.8 days and regularly aggregates up to 0.43" (11mm) of precipitation. Throughout the year, in Feather Falls, there are 88.4 rainfall days, and 30.35" (771mm) of precipitation is accumulated.

Snowfall

In Feather Falls, snow does not fall in January, March through October.

Daylight

The average length of the day in September is 12h and 26min.
On the first day of the month, sunrise is at 6:34 am and sunset at 7:35 pm. On the last day of September, sunrise is at 7:01 am and sunset at 6:48 pm PDT.

Sunshine

The average sunshine in September in Feather Falls is 11.2h.

UV index

The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: A maximum daily UV index of 5 during September morphs into the following directions:
Take precautions - Protection against sunburn is recommended. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Opt for tightly woven and loose clothing to enhance protection from the Sun.
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Frequently asked questions

How hot does it get in Feather Falls in September?

September temperatures vary between a high-temperature of 85.5°F (29.7°C) and a low-temperature of 59°F (15°C). In June, the average heat index (a.k.a. 'real feel', 'feels like'), which represents the influence of relative humidity on air temperature, is computed to be 84.2°F (29°C).

What is the average humidity in September in Feather Falls?

In September, the average relative humidity in Feather Falls, California, is 36%.

How many days does it rain in September in Feather Falls?

In Feather Falls, in September, during 2.8 rainfall days, 0.43" (11mm) of precipitation is typically accumulated.

When it does not snow in Feather Falls?

January, March through October are months without snowfall in Feather Falls.

How many hours of daylight does Feather Falls have in September?

In September, the average day length in Feather Falls, California, is 12h and 26min.

When is the sunrise / sunset in September in Feather Falls?

In September, on the first day of the month, sunrise is at 6:34 am and sunset at 7:35 pm. On the last day of the month, in Feather Falls, California, sunrise is at 7:01 am and sunset at 6:48 pm PDT.

How long on average sun shines in September in Feather Falls?

In Feather Falls, the average sunshine duration in September is 11.2h.

What is the UV index reading in September in Feather Falls?

In Feather Falls, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate vulnerability from 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
Feather Falls, CA

Average temperature in September - Feather Falls, CA
  • Average high temperature in September: 85.5°F

The warmest month (with the highest average high temperature) is July (92.5°F).
The month with the lowest average high temperature is December (52.5°F).

  • Average low temperature in September: 59°F

The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is December (38.1°F).

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Average pressure in September
Feather Falls, CA

Average pressure in September - Feather Falls, CA
  • Average pressure in September: 29.92"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed in September
Feather Falls, CA

Average wind speed in September - Feather Falls, CA
  • Average wind speed in September: 5.7mph

The windiest months (with the highest average wind speed) are February, March and April (6.2mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

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Average humidity in September
Feather Falls, CA

Average humidity in September - Feather Falls, CA
  • Average humidity in September: 36%

The month with the highest relative humidity is March (74%).
The months with the lowest relative humidity are July and August (34%).

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Average rainfall in September
Feather Falls, CA

Average rainfall in September - Feather Falls, CA
  • Average rainfall in September: 0.43"

The wettest month (with the highest rainfall) is March (6.02").
The driest month (with the least rainfall) is July (0.04").

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Average rainfall days in September
Feather Falls, CA

Average rainfall days in September - Feather Falls, CA
  • Average rainfall days in September: 2.8 days

The month with the highest number of rainy days is March (15.5 days).
The month with the least rainy days is July (1.4 days).

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Average snowfall in September
Feather Falls, CA

Average snowfall in September - Feather Falls, CA
  • Average snowfall in September: 0"

The month with the highest snowfall is February (0.43").
The months with the least snowfall are January, March, April, May, June, July, August, September and October (0").

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Average snowfall days in September
Feather Falls, CA

Average snowfall days in September - Feather Falls, CA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (0.6 days).
The months with the least snowfall days are January, April, May, June, July, August, September and October (0 days).

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Average daylight in September /
Average sunshine in September
Feather Falls, CA

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

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in September: 11h and 1min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).

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Average sunshine days in September
Feather Falls, CA

Average sunshine days in September - Feather Falls, CA
  • Average sunshine days in September: 25.9 days

The month with the most sunshine days is July (28.3 days).
The month with the least sunshine days is March (14.5 days).

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Average UV index in September
Feather Falls, CA

Average UV index in September - Feather Falls, CA
  • Average UV index in September: 5

The months with the highest UV index are June and July (UV index 7).
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
Feather Falls, CA

Average cloud cover in September - Feather Falls, CA
  • Average cloud cover in September: 9

The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is July (Cloud cover 4).

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Average visibility in September
Feather Falls, CA

Average visibility in September - Feather Falls, 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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Feather Falls, California, USA

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