September weather forecast
Elgin, OK

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Weather in September

The first month of the autumn, September, is still a warm month in Elgin, Oklahoma, with an average temperature varying between 66.2°F (19°C) and 85.5°F (29.7°C).

Temperature

Onset of September comes with a temperature decline, the average high falling from a tropical 94.6°F (34.8°C) in August to a moderately hot 85.5°F (29.7°C). Nighttime temperatures consistently average a refreshing 66.2°F (19°C) during September.

Heat index

September's mean heat index is appraised at a hot 91.4°F (33°C). Ensure additional precautions, heat exhaustion and heat cramps may be expected. Heatstroke could occur from sustained activity.
Evaluating the heat index requires understanding its values in the shade and with gentle winds. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is an estimation of the warmth sensation when considering humidity levels. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 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 63%.

Rainfall

In Elgin, in September, during 10.3 rainfall days, 1.14" (29mm) of precipitation is typically accumulated. In Elgin, during the entire year, the rain falls for 89.3 days and collects up to 11.1" (282mm) of precipitation.

Snowfall

In Elgin, snow does not fall in May through October.

Daylight

In September, the average length of the day is 12h and 23min.
On the first day of the month, sunrise is at 7:06 am and sunset at 7:59 pm. On the last day of September, sunrise is at 7:27 am and sunset at 7:18 pm CDT.

Sunshine

In Elgin, the average sunshine in September is 8.7h.

UV index

In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: The UV index of 5 during September leads to these advisories:
Undertake protective steps - Recommendations to avoid sunburn are issued. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.

Frequently asked questions

How hot is it in September?

The high-temperature during September is 85.5°F (29.7°C) and the low-temperature is 66.2°F (19°C). In September, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, is appraised at 91.4°F (33°C).

What is the average humidity in September?

In Elgin, the average relative humidity in September is 63%.

How many days does it rain in September?

In September, the rain falls for 10.3 days. Throughout September, 1.14" (29mm) of precipitation is accumulated.

When it does not snow?

In Elgin, snow does not fall in May through October.

What is the average length of the day in September?

The average day length in September is 12h and 23min.

When is the sunrise / sunset in September?

In September, on the first day of the month, sunrise is at 7:06 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 7:18 pm CDT.

How long on average sun shines in September?

In Elgin, the average sunshine duration in September is 8.7h.

What is the UV index reading in September?

In Elgin, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium health risk from unprotected exposure to 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
Elgin, OK

Average temperature in September - Elgin, OK
  • Average high temperature in September: 85.5°F

The warmest month (with the highest average high temperature) is July (94.8°F).
The month with the lowest average high temperature is January (50.4°F).

  • Average low temperature in September: 66.2°F

The month with the highest average low temperature is July (73.9°F).
The coldest month (with the lowest average low temperature) is January (32.7°F).

Average pressure in September
Elgin, OK

Average pressure in September - Elgin, OK
  • Average pressure in September: 29.97"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

Average wind speed in September
Elgin, OK

Average wind speed in September - Elgin, OK
  • Average wind speed in September: 8.8mph

The windiest month (with the highest average wind speed) is April (12.2mph).
The calmest month (with the lowest average wind speed) is August (8.6mph).

Average humidity in September
Elgin, OK

Average humidity in September - Elgin, OK
  • Average humidity in September: 63%

The month with the highest relative humidity is May (69%).
The month with the lowest relative humidity is August (54%).

Average rainfall in September
Elgin, OK

Average rainfall in September - Elgin, OK
  • Average rainfall in September: 1.14"

The wettest month (with the highest rainfall) is May (1.93").
The driest month (with the least rainfall) is February (0.28").

Average rainfall days in September
Elgin, OK

Average rainfall days in September - Elgin, OK
  • Average rainfall days in September: 10.3 days

The month with the highest number of rainy days is May (11.8 days).
The month with the least rainy days is January (3.3 days).

Average snowfall in September
Elgin, OK

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

The month with the highest snowfall is January (0.51").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in September
Elgin, OK

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

The month with the highest number of snowfall days is February (1.6 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
Elgin, OK

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

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in September: 8h and 4min

The month with the most sunshine is July (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 6h and 18min).

Average sunshine days in September
Elgin, OK

Average sunshine days in September - Elgin, OK
  • Average sunshine days in September: 17.2 days

The month with the most sunshine days is January (26.6 days).
The month with the least sunshine days is May (15.8 days).

Average UV index in September
Elgin, OK

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

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

Average cloud cover in September
Elgin, OK

Average cloud cover in September - Elgin, OK
  • Average cloud cover in September: 26

The month with the most cloud cover is March (Cloud cover 33).
The month with the least cloud cover is August (Cloud cover 18).

Average visibility in September
Elgin, OK

Average visibility in September - Elgin, 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).

Elgin, Oklahoma, USA

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