September weather forecast
Olivehurst, CA

englishespañol中文
Share

Weather in September

The first month of the autumn, September, is still a tropical month in Olivehurst, California, with an average temperature fluctuating between 89.4°F (31.9°C) and 60.3°F (15.7°C).

Temperature

September brings a slight decrease in temperature, down from a very hot 95.5°F (35.3°C) in August to a hot 89.4°F (31.9°C). September's nights in Olivehurst exhibit a sharp contrast from day highs, with an average temperature of 60.3°F (15.7°C).

Humidity

The average relative humidity in September in Olivehurst is 39%.

Rainfall

In Olivehurst, during September, the rain falls for 2.1 days and regularly aggregates up to 0.2" (5mm) of precipitation. In Olivehurst, during the entire year, the rain falls for 78.9 days and collects up to 19.96" (507mm) of precipitation.

Daylight

In September, the average length of the day in Olivehurst is 12h and 26min.
On the first day of September in Olivehurst, sunrise is at 6:35 am and sunset at 7:36 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 6:49 pm PDT.

Sunshine

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

UV index

In September, the average daily maximum UV index in Olivehurst is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum daily UV index of 5 in September interprets into the following recommendations:
Make use of precautions - Shielding skin and eyes from injury is a requirement. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.

Frequently asked questions

How hot is September in Olivehurst?

During September, Olivehurst experiences an average high-temperature of 89.4°F (31.9°C) and a low-temperature of 60.3°F (15.7°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which represents the influence of relative humidity on air temperature, in June is calculated to be 91.4°F (33°C).

What is the average humidity in September in Olivehurst?

The average relative humidity in September is 39%.

How much does it rain in Olivehurst in September?

In Olivehurst, during September, the rain falls for 2.1 days and regularly aggregates up to 0.2" (5mm) of precipitation.

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

In Olivehurst, the average day length in September is 12h and 26min.

When are sunrise and sunset in September in Olivehurst?

In September, on the first day of the month, sunrise is at 6:35 am and sunset at 7:36 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 6:49 pm PDT.

How long on average sun shines in September in Olivehurst?

The average sunshine duration in September in Olivehurst is 11.2h.

How high is the UV index in September in Olivehurst?

The average daily maximum UV index in September in Olivehurst is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Olivehurst, CA

Average temperature in September - Olivehurst, CA
  • Average high temperature in September: 89.4°F

The warmest month (with the highest average high temperature) is July (96.3°F).
The month with the lowest average high temperature is December (54.5°F).

  • Average low temperature in September: 60.3°F

The month with the highest average low temperature is July (62.2°F).
The coldest months (with the lowest average low temperature) are January and December (41.2°F).

Average pressure in September
Olivehurst, CA

Average pressure in September - Olivehurst, 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).

Average wind speed in September
Olivehurst, CA

Average wind speed in September - Olivehurst, CA
  • Average wind speed in September: 4.8mph

The windiest month (with the highest average wind speed) is March (6.1mph).
The calmest months (with the lowest average wind speed) are September and November (4.8mph).

Average humidity in September
Olivehurst, CA

Average humidity in September - Olivehurst, CA
  • Average humidity in September: 39%

The month with the highest relative humidity is March (74%).
The month with the lowest relative humidity is July (38%).

Average rainfall in September
Olivehurst, CA

Average rainfall in September - Olivehurst, CA
  • Average rainfall in September: 0.2"

The wettest month (with the highest rainfall) is March (3.7").
The driest month (with the least rainfall) is July (0.04").

Average rainfall days in September
Olivehurst, CA

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

The month with the highest number of rainy days is March (13.9 days).
The month with the least rainy days is July (1.1 days).

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

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

Average sunshine days in September
Olivehurst, CA

Average sunshine days in September - Olivehurst, CA
  • Average sunshine days in September: 27.5 days

The month with the most sunshine days is July (29.8 days).
The month with the least sunshine days is March (16.1 days).

Average UV index in September
Olivehurst, CA

Average UV index in September - Olivehurst, 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).

Average cloud cover in September
Olivehurst, CA

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

The month with the most cloud cover is March (Cloud cover 39).
The month with the least cloud cover is July (Cloud cover 4).

Average visibility in September
Olivehurst, CA

Average visibility in September - Olivehurst, 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).

Olivehurst, California, USA

Weather forecast for your location

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