September weather forecast
Clements, CA

Share

Weather in September

The first month of the autumn, September, is also a hot month in Clements, California, with temperature in the range of an average high of 88.2°F (31.2°C) and an average low of 58.1°F (14.5°C).

Temperature

With the onset of September, Clements experiences a modest temperature adjustment, with the average high-temperature gently receding from 93.7°F (34.3°C) in August to a still tropical 88.2°F (31.2°C). Clements anticipates a considerable cooling off from the daytime high to an average minimum temperature of 58.1°F (14.5°C) in September.

Heat index

For September, the heat index is calculated to be a hot 89.6°F (32°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Evaluating the heat index requires understanding its values in the shade and with gentle winds. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', embodies the combination of air temperature and moisture content to illustrate perceived heat. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. Given direct exposure to sunlight, one might experience a rise in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.

Humidity

In September, the average relative humidity in Clements is 43%.

Rainfall

In Clements, California, during September, the rain falls for 2.1 days and regularly aggregates up to 0.16" (4mm) of precipitation. Throughout the year, in Clements, California, there are 70.8 rainfall days, and 15.91" (404mm) of precipitation is accumulated.

Snowfall

In Clements, California, snow does not fall in January through November.

Daylight

The average length of the day in September is 12h and 25min.
On the first day of September, sunrise is at 6:34 am and sunset at 7:33 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 6:48 pm PDT.

Sunshine

The average sunshine in September is 11.3h.

UV index

The average daily maximum UV index in September in Clements is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A maximum UV index of 5 in September translates into the following recommendations:
Take measures. Individuals with light skin might experience burns in under 30 minutes. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
[Resources]

Frequently asked questions

How hot does it get in Clements in September?

The high-temperature during September is 88.2°F (31.2°C) and the low-temperature is 58.1°F (14.5°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which factors the actual air temperature with the relative humidity, in September is calculated to be 89.6°F (32°C).

What is the average humidity in September in Clements?

In September, the average relative humidity in Clements, California, is 43%.

How many days does it rain in September in Clements?

In September, in Clements, the rain falls for 2.1 days. Throughout September, 0.16" (4mm) of precipitation is accumulated.

When it does not snow in Clements?

January through November are months without snowfall.

What is the average length of the day in September in Clements?

The average day length in September in Clements, California, is 12h and 25min.

When is the sunrise / sunset in September in Clements?

In September, on the first day of the month, sunrise is at 6:34 am and sunset at 7:33 pm. On the last day of the month, in Clements, sunrise is at 6:59 am and sunset at 6:48 pm PDT.

How long on average sun shines in September in Clements?

In September, the average sunshine duration in Clements, California, is 11.3h.

What is the UV index intensity in September in Clements?

In Clements, California, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Clements, CA

Average temperature in September - Clements, CA
  • Average high temperature in September: 88.2°F

The warmest month (with the highest average high temperature) is July (94.6°F).
The month with the lowest average high temperature is December (54.5°F).

  • Average low temperature in September: 58.1°F

The months with the highest average low temperature are July and August (59.4°F).
The coldest month (with the lowest average low temperature) is December (40.1°F).

[Resources]

Average pressure in September
Clements, CA

Average pressure in September - Clements, CA
  • Average pressure in September: 29.93"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

[Resources]

Average wind speed in September
Clements, CA

Average wind speed in September - Clements, CA
  • Average wind speed in September: 4mph

The windiest month (with the highest average wind speed) is February (5.6mph).
The calmest month (with the lowest average wind speed) is September (4mph).

[Resources]

Average humidity in September
Clements, CA

Average humidity in September - Clements, CA
  • Average humidity in September: 43%

The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is July (41%).

[Resources]

Average rainfall in September
Clements, CA

Average rainfall in September - Clements, CA
  • Average rainfall in September: 0.16"

The wettest month (with the highest rainfall) is March (2.91").
The driest months (with the least rainfall) are July and August (0.04").

[Resources]

Average rainfall days in September
Clements, CA

Average rainfall days in September - Clements, CA
  • Average rainfall days in September: 2.1 days

The month with the highest number of rainy days is March (13.2 days).
The month with the least rainy days is August (0.8 days).

[Resources]

Average snowfall days in September
Clements, CA

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

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

[Resources]

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

Average daylight in September / Average sunshine in September - Clements, 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 36min).

  • Average sunshine in September: 11h and 2min

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 48min).

[Resources]

Average sunshine days in September
Clements, CA

Average sunshine days in September - Clements, CA
  • Average sunshine days in September: 27.4 days

The month with the most sunshine days is July (29.2 days).
The month with the least sunshine days is March (16.8 days).

[Resources]

Average UV index in September
Clements, CA

Average UV index in September - Clements, CA
  • Average UV index in September: 5

The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 2).

[Resources]

Average cloud cover in September
Clements, CA

Average cloud cover in September - Clements, CA
  • Average cloud cover in September: 7

The month with the most cloud cover is March (Cloud cover 37).
The month with the least cloud cover is July (Cloud cover 4).

[Resources]

Average visibility in September
Clements, CA

Average visibility in September - Clements, 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).

[Resources]

Clements, California, USA

Weather forecast for your location

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