September weather forecast
Pope Valley, CA

Share

Weather in September

The first month of the autumn, September, is also a moderately hot month in Pope Valley, California, with temperature in the range of an average low of 54.3°F (12.4°C) and an average high of 85.3°F (29.6°C).

Temperature

Pope Valley, California, transitions into September recording an average high-temperature of a warm 85.3°F (29.6°C), closely aligning with the preceding month's temperature. Pope Valley logs a substantial downturn to a cool 54.3°F (12.4°C) during September nights, a considerable shift from daytime highs.

Heat index

For September, the heat index is appraised at a tropical 87.8°F (31°C). Persistent activity under exposure might lead to a feeling of weariness, with subsequent heat cramps.
The heat index's values are generally associated with conditions in shade and light breezes. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is the result of factoring in humidity to the air temperature, indicating perceived warmth. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.

Humidity

The least humid month in Pope Valley is September, with an average relative humidity of 53%.

Rainfall

In Pope Valley, in September, it is raining for 2 days, with typically 0.08" (2mm) of accumulated precipitation. In Pope Valley, California, during the entire year, the rain falls for 76.2 days and collects up to 16.93" (430mm) of precipitation.

Snowfall

January, February, April through December are months without snowfall.

Daylight

In Pope Valley, California, the average length of the day in September is 12h and 25min.
On the first day of September, sunrise is at 6:39 am and sunset at 7:39 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 6:53 pm PDT.

Sunshine

In September, the average sunshine is 11h.

UV index

The average daily maximum UV index in September in Pope Valley is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In September, the maximum UV index of 5 translates into these guidelines:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.

Frequently asked questions

Is it hot in Pope Valley during September?

The high-temperature, in September, in Pope Valley, records 85.3°F (29.6°C), while the low-temperature is 54.3°F (12.4°C). In September, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines relative humidity and air temperature, is appraised at 87.8°F (31°C).

What is the least humid month in Pope Valley?

September is the least humid month, with an average relative humidity of 53%.

What is the average humidity in September in Pope Valley?

The average relative humidity in September in Pope Valley is 53%.

How many days does it rain in September in Pope Valley?

In September, in Pope Valley, California, the rain falls for 2 days. Throughout September, 0.08" (2mm) of precipitation is accumulated.

When it does not snow in Pope Valley?

January, February, April through December are months without snowfall in Pope Valley, California.

How many hours of daylight does Pope Valley have in September?

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

When is the sunrise / sunset in September in Pope Valley?

In September, on the first day of the month, sunrise is at 6:39 am and sunset at 7:39 pm. On the last day of the month, in Pope Valley, California, sunrise is at 7:05 am and sunset at 6:53 pm PDT.

How long on average sun shines in September in Pope Valley?

In September, the average sunshine duration in Pope Valley is 11h.

How high is the UV index in September in Pope Valley?

In September, the average daily maximum UV index in Pope Valley, California, is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health 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
Pope Valley, CA

Average temperature in September - Pope Valley, CA
  • Average high temperature in September: 85.3°F

The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is December (54.5°F).

  • Average low temperature in September: 54.3°F

The month with the highest average low temperature is September (54.3°F).
The coldest month (with the lowest average low temperature) is December (39.6°F).

Average pressure in September
Pope Valley, CA

Average pressure in September - Pope Valley, CA
  • Average pressure in September: 29.91"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.91"Hg).

Average wind speed in September
Pope Valley, CA

Average wind speed in September - Pope Valley, CA
  • Average wind speed in September: 4.6mph

The windiest month (with the highest average wind speed) is May (5.8mph).
The calmest month (with the lowest average wind speed) is November (4.3mph).

Average humidity in September
Pope Valley, CA

Average humidity in September - Pope Valley, CA
  • Average humidity in September: 53%

The month with the highest relative humidity is March (76%).
The month with the lowest relative humidity is September (53%).

Average rainfall in September
Pope Valley, CA

Average rainfall in September - Pope Valley, CA
  • Average rainfall in September: 0.08"

The wettest month (with the highest rainfall) is February (3.7").
The driest month (with the least rainfall) is July (0").

Average rainfall days in September
Pope Valley, CA

Average rainfall days in September - Pope Valley, CA
  • Average rainfall days in September: 2 days

The month with the highest number of rainy days is March (13.5 days).
The month with the least rainy days is August (0.3 days).

Average snowfall in September
Pope Valley, CA

Average snowfall in September - Pope Valley, CA
  • Average snowfall in September: 0"

The month with the highest snowfall is March (0.04").
The months with the least snowfall are January, February, April, May, June, July, August, September, October, November and December (0").

Average snowfall days in September
Pope Valley, CA

Average snowfall days in September - Pope Valley, CA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is March (0.2 days).
The months with the least snowfall days are January, February, April, May, June, July, August, September, October, November and December (0 days).

Average daylight in September /
Average sunshine in September
Pope Valley, CA

Average daylight in September / Average sunshine in September - Pope Valley, 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: 11h and 0min

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).

Average sunshine days in September
Pope Valley, CA

Average sunshine days in September - Pope Valley, CA
  • Average sunshine days in September: 27.5 days

The month with the most sunshine days is July (30 days).
The month with the least sunshine days is March (15.9 days).

Average UV index in September
Pope Valley, CA

Average UV index in September - Pope Valley, 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).

Average cloud cover in September
Pope Valley, CA

Average cloud cover in September - Pope Valley, CA
  • Average cloud cover in September: 10

The month with the most cloud cover is March (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 7).

Average visibility in September
Pope Valley, CA

Average visibility in September - Pope Valley, CA
  • Average visibility in September: 6mi

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

Pope Valley, California, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location