September weather forecast
Courtland, CA

Share

Weather in September

The first month of the autumn, September, is still a tropical month in Courtland, California, with an average temperature ranging between max 86.9°F (30.5°C) and min 58.1°F (14.5°C).

Temperature

In September, Courtland experiences a minor shift in meteorological conditions with average high-temperatures marked at a still hot 86.9°F (30.5°C), closely mirroring the climate in August. Despite the significant gap from daytime peaks, Courtland experiences an average low-temperature of 58.1°F (14.5°C) in September.

Heat index

For September, the heat index is appraised at a tropical 89.6°F (32°C). Prolonged activity during exposure might result in a state of fatigue and cause heat cramps.
Heat index details are generally centered around shaded locations and a mild breeze. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Younglings are generally more in peril than adults due to their reduced perspiration. Coupled with a larger skin surface relative to their tiny bodies and greater heat production because of their activity, they become more at risk.

Humidity

With an average relative humidity of 49%, September is the least humid month in Courtland, California.

Rainfall

January through July, September through December are months with rainfall. September is the first month it rains. Throughout September, in the average 1.6 rainfall days, it receives 0.08" (2mm) of precipitation. In Courtland, California, during the entire year, the rain falls for 68.7 days and collects up to 11.18" (284mm) of precipitation.

Daylight

In September, the average length of the day in Courtland is 12h and 25min.
On the first day of September in Courtland, California, sunrise is at 6:36 am and sunset at 7:35 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 6:50 pm PDT.

Sunshine

In September, the average sunshine in Courtland is 11.2h.

UV index

In Courtland, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: In September, the UV index of 5 transforms into the following advice:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.

Frequently asked questions

How hot is it in Courtland in September?

The high-temperature in Courtland during September is 86.9°F (30.5°C) and the low-temperature is 58.1°F (14.5°C). In September, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is appraised at 89.6°F (32°C).

What is the least humid month in Courtland?

With an average relative humidity of 49%, September is the least humid month in Courtland.

What is the average humidity in September in Courtland?

In September, the average relative humidity in Courtland, California, is 49%.

When does it start to rain in Courtland?

September is the first month it rains. Throughout September, in the average 1.6 rainfall days, it receives 0.08" (2mm) of precipitation.

How many hours of daylight does Courtland have in September?

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

When is the sunrise / sunset in September in Courtland?

On the first day of September, sunrise is at 6:36 am and sunset at 7:35 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 6:50 pm PDT.

How long on average sun shines in September in Courtland?

In Courtland, California, the average sunshine duration in September is 11.2h.

What is the UV index intensity in September in Courtland?

In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Courtland, CA

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

The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is December (55°F).

  • Average low temperature in September: 58.1°F

The month with the highest average low temperature is September (58.1°F).
The coldest month (with the lowest average low temperature) is January (41.5°F).

Average pressure in September
Courtland, CA

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

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in September
Courtland, CA

Average wind speed in September - Courtland, CA
  • Average wind speed in September: 5.9mph

The windiest month (with the highest average wind speed) is June (7.6mph).
The calmest month (with the lowest average wind speed) is November (4.7mph).

Average humidity in September
Courtland, CA

Average humidity in September - Courtland, CA
  • Average humidity in September: 49%

The months with the highest relative humidity are January and March (74%).
The month with the lowest relative humidity is September (49%).

Average rainfall in September
Courtland, CA

Average rainfall in September - Courtland, CA
  • Average rainfall in September: 0.08"

The wettest month (with the highest rainfall) is February (2.17").
The driest month (with the least rainfall) is August (0").

Average rainfall days in September
Courtland, CA

Average rainfall days in September - Courtland, CA
  • Average rainfall days in September: 1.6 days

The month with the highest number of rainy days is March (13 days).
The month with the least rainy days is August (0.7 days).

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

Average daylight in September / Average sunshine in September - Courtland, 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 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 54min).

Average sunshine days in September
Courtland, CA

Average sunshine days in September - Courtland, CA
  • Average sunshine days in September: 27.7 days

The month with the most sunshine days is August (29.9 days).
The month with the least sunshine days is March (17.3 days).

Average UV index in September
Courtland, CA

Average UV index in September - Courtland, 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
Courtland, CA

Average cloud cover in September - Courtland, CA
  • Average cloud cover in September: 8

The months with the most cloud cover are March and December (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 4).

Average visibility in September
Courtland, CA

Average visibility in September - Courtland, 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).

Courtland, California, USA

Weather forecast for your location

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