September weather forecast and climate
Dardanelle, CA

Weather in September

The first month of the autumn, September, is also an agreeable month in Dardanelle, California, with average temperature fluctuating between 47.3°F (8.5°C) and 73.2°F (22.9°C).

Temperature

In Dardanelle, California, the average high-temperature marginally drops, from a warm 79°F (26.1°C) in August, to an agreeable 73.2°F (22.9°C). The average low-temperature, in Dardanelle, is 47.3°F (8.5°C).

Humidity

In Dardanelle, California, the average relative humidity in September is 40%.

Rainfall

In Dardanelle, during September, the rain falls for 4 days and regularly aggregates up to 0.39" (10mm) of precipitation. Throughout the year, there are 66.3 rainfall days, and 33.43" (849mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through June, September through December. September is the first month it typically snows in Dardanelle, California. Throughout September, in the average 0.3 snowfall days, it receives 0.12" (3mm) of snow. In Dardanelle, during the entire year, snow falls for 63.7 days, and aggregates up to 179.69" (4564mm) of snow.

Daylight

The average length of the day is 12.4h.

Sunshine

The average sunshine in September is 11.1h.

UV index

In Dardanelle, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from the exposure to the Sun's UV radiation for ordinary individuals.
Note: The daily maximum UV index of 4 interpret into the following advice:
Take precautions - Protection against the skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the temperature in September in Dardanelle?

In Dardanelle, California, in September, the average high-temperature is 73.2°F (22.9°C), and the average low-temperature is 47.3°F (8.5°C).

What is the average humidity in September in Dardanelle?

The average relative humidity in September is 40%.

How many days does it rain in September in Dardanelle?

In Dardanelle, California, during September, the rain falls for 4 days and regularly aggregates up to 0.39" (10mm) of precipitation.

When does it start to snow in Dardanelle?

September is the first month it typically snows in Dardanelle. Throughout September, in the average 0.3 snowfall days, it receives 0.12" (3mm) of snow.

How many hours of daylight does Dardanelle have in September?

In September, the average length of the day in Dardanelle is 12.4h.

How many hours of sunshine does Dardanelle have in September?

The average sunshine in September is 11.1h.

What is the UV index intensity in September in Dardanelle?

The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health threat from the exposure to the Sun's UV radiation.

Average temperature in September
Dardanelle, CA

Average temperature in September - Dardanelle, CA
  • Average high temperature in September: 73.2°F

The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is December (41.7°F).

  • Average low temperature in September: 47.3°F

The month with the highest average low temperature is July (52.3°F).
The coldest month (with the lowest average low temperature) is December (25.2°F).

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Average pressure in September
Dardanelle, CA

Average pressure in September - Dardanelle, CA
  • Average pressure in September: 29.94"

The month with the highest atmospheric pressure is January (30.16").
The month with the lowest atmospheric pressure is June (29.91").

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Average wind speed in September
Dardanelle, CA

Average wind speed in September - Dardanelle, CA
  • Average wind speed in September: 5.8mph

The windiest month (with the highest average wind speed) is February (6.7mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

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Average humidity in September
Dardanelle, CA

Average humidity in September - Dardanelle, CA
  • Average humidity in September: 40%

The month with the highest relative humidity is March (77%).
Months with the lowest relative humidity are July and August (38%).

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Average rainfall in September
Dardanelle, CA

Average rainfall in September - Dardanelle, CA
  • Average rainfall in September: 0.39"

The wettest month (with the highest rainfall) is February (5.98").
The driest month (with the least rainfall) is August (0.16").

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Average rainfall days in September
Dardanelle, CA

Average rainfall days in September - Dardanelle, CA
  • Average rainfall days in September: 4 days

The month with the highest number of rainy days is May (10.2 days).
Months with the least rainy days are July and August (3.4 days).

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Average snowfall in September
Dardanelle, CA

Average snowfall in September - Dardanelle, CA
  • Average snowfall in September: 0.12"

The month with the highest snowfall is March (38.07").
Months with the least snowfall are July and August (0").

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Average snowfall days in September
Dardanelle, CA

Average snowfall days in September - Dardanelle, CA
  • Average snowfall days in September: 0.3 days

The month with the highest number of snowfall days is March (13.3 days).
Months with the least snowfall days are July and August (0 days).

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

Average daylight in September / Average sunshine in September - Dardanelle, CA
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.8h).
The month with the shortest days is December (Average daylight: 9.5h).

  • Average sunshine in September: 11.1h

The month with the most sunshine is July (Average sunshine: 12.1h).
Months with the least sunshine are January and February (Average sunshine: 5.7).

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Average sunshine days in September
Dardanelle, CA

Average sunshine days in September - Dardanelle, CA
  • Average sunshine days in September: 25.1 days

The month with the most sunshine days is August (25.8 days).
The month with the least sunshine days is March (13.8 days).

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Average UV index in September
Dardanelle, CA

Average UV index in September - Dardanelle, CA
  • Average UV index in September: 4

Months with the highest UV index are June and July (UV index 6).
Months with the lowest UV index are January, February, March, November and December (UV index 2).

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Average cloud cover in September
Dardanelle, CA

Average cloud cover in September - Dardanelle, CA
  • Average cloud cover in September: 9

The month with the most cloud cover is March (Cloud cover 39).
The month with the least cloud cover is July (Cloud cover 6).

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Average visibility in September
Dardanelle, CA

Average visibility in September - Dardanelle, CA
  • Average visibility in September: 6mi

Months with the highest visibility are January, February, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is March (5mi).

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