September weather forecast
Kiefer, OK

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Weather in September

September, the first month of the autumn in Kiefer, is still a warm month, with temperature in the range of an average low of 64°F (17.8°C) and an average high of 83.5°F (28.6°C).

Temperature

The commencement of September includes a gentle temperature shift, with the average high-temperature dropping a bit from a tropical 90.7°F (32.6°C) in August to a warm 83.5°F (28.6°C). During the month of September, the nighttime temperature falls to an average of 64°F (17.8°C).

Heat index

During September, the heat index is evaluated at a hot 89.6°F (32°C). If one sustains activity during exposure, it could lead to a sense of fatigue, with a chance of heat cramps.
Understanding the heat index involves considering values for shaded locales with light wind. A rise in the heat index by 15 Fahrenheit (8 Celsius) degrees may result from direct sunlight exposure.
Note: The heat index, also known as 'felt air temperature' or 'real feel', offers an insight into how hot it feels when we factor in moisture content. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. Consider the fact that direct sun exposure can influence how hot one feels, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.

Humidity

In September, the average relative humidity is 70%.

Rainfall

In September, the rain falls for 11.9 days. Throughout September, 3.39" (86mm) of precipitation is accumulated. Throughout the year, there are 129 rainfall days, and 29.41" (747mm) of precipitation is accumulated.

Snowfall

In Kiefer, snow does not fall in March through October.

Daylight

The average length of the day in September is 12h and 23min.
On the first day of the month, sunrise is at 6:56 am and sunset at 7:51 pm. On the last day of September, sunrise is at 7:19 am and sunset at 7:08 pm CDT.

Sunshine

The average sunshine in September is 8.6h.

UV index

The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum UV index, 5 during September, leads to the following recommendations:
Be vigilant - Preventing sunburn is recommended. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.

Frequently asked questions

How hot is it in September?

The high-temperature, in September, in Kiefer, is 83.5°F (28.6°C), while the low-temperature averages to 64°F (17.8°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, in September is evaluated at 89.6°F (32°C).

What is the average humidity in September?

In Kiefer, the average relative humidity in September is 70%.

How much does it rain in September?

In September, the rain falls for 11.9 days. Throughout September, 3.39" (86mm) of precipitation is accumulated.

When it does not snow?

March through October are months without snowfall in Kiefer.

What is the average length of the day in September?

In September, the average day length is 12h and 23min.

When is the sunrise / sunset in September?

On the first day of September, sunrise is at 6:56 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 7:08 pm CDT.

How many hours of sunshine does Kiefer have in September?

In Kiefer, the average sunshine duration in September is 8.6h.

How high is the UV index in September in Kiefer?

The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from exposure to the Sun's UV radiation.
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
Kiefer, OK

Average temperature in September - Kiefer, OK
  • Average high temperature in September: 83.5°F

The warmest month (with the highest average high temperature) is July (91.6°F).
The month with the lowest average high temperature is January (46.6°F).

  • Average low temperature in September: 64°F

The month with the highest average low temperature is July (72.3°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).

Average pressure in September
Kiefer, OK

Average pressure in September - Kiefer, OK
  • Average pressure in September: 29.99"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

Average wind speed in September
Kiefer, OK

Average wind speed in September - Kiefer, OK
  • Average wind speed in September: 7.5mph

The windiest month (with the highest average wind speed) is March (10.8mph).
The calmest month (with the lowest average wind speed) is July (7.2mph).

Average humidity in September
Kiefer, OK

Average humidity in September - Kiefer, OK
  • Average humidity in September: 70%

The month with the highest relative humidity is May (80%).
The months with the lowest relative humidity are January, August and October (67%).

Average rainfall in September
Kiefer, OK

Average rainfall in September - Kiefer, OK
  • Average rainfall in September: 3.39"

The wettest month (with the highest rainfall) is May (5.08").
The driest month (with the least rainfall) is January (1.26").

Average rainfall days in September
Kiefer, OK

Average rainfall days in September - Kiefer, OK
  • Average rainfall days in September: 11.9 days

The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (6 days).

Average snowfall in September
Kiefer, OK

Average snowfall in September - Kiefer, OK
  • Average snowfall in September: 0"

The month with the highest snowfall is February (1.18").
The months with the least snowfall are March, April, May, June, July, August, September and October (0").

Average snowfall days in September
Kiefer, OK

Average snowfall days in September - Kiefer, OK
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (2.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in September /
Average sunshine in September
Kiefer, OK

Average daylight in September / Average sunshine in September - Kiefer, OK
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in September: 8h and 4min

The months with the most sunshine are July and August (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).

Average sunshine days in September
Kiefer, OK

Average sunshine days in September - Kiefer, OK
  • Average sunshine days in September: 16.6 days

The month with the most sunshine days is January (22.2 days).
The month with the least sunshine days is May (14.2 days).

Average UV index in September
Kiefer, OK

Average UV index in September - Kiefer, OK
  • Average UV index in September: 5

The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 2).

Average cloud cover in September
Kiefer, OK

Average cloud cover in September - Kiefer, OK
  • Average cloud cover in September: 29

The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 21).

Average visibility in September
Kiefer, OK

Average visibility in September - Kiefer, OK
  • 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).

Kiefer, Oklahoma, USA

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