Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
September ushers in a minute temperature change, with average high-temperatures reducing from August's hot 89.2°F (31.8°C) to a warm 82°F (27.8°C). Langley's average low-temperature for the month of September records at an enjoyable 62.4°F (16.9°C).Heat index
September's mean heat index is estimated at a tropical 87.8°F (31°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.Know that the heat index computations account for shaded terrains and slight winds. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'real feel' or 'feels like', melds the effects of warmth and moisture to generate a feeling of heat. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
Humidity
The average relative humidity in September is 72%.Rainfall
In Langley, during September, the rain falls for 9.7 days and regularly aggregates up to 1.46" (37mm) of precipitation. Throughout the year, there are 112.7 rainfall days, and 14.33" (364mm) of precipitation is accumulated.Snowfall
April, June through October are months without snowfall.Daylight
The average length of the day in September is 12h and 24min.On the first day of September, sunrise is at 6:52 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 7:04 pm CDT.
Sunshine
In Langley, the average sunshine in September is 9.3h.UV index
The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum high daily UV index of 5 during September translates into the following directions:
Undertake precautions - Guarding against sun damage is counselled. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature?
What is the average humidity in September?
How much does it rain in Langley in September?
When it does not snow?
What is the average length of the day in September in Langley?
What time are sunrise and sunset in September in Langley?
How many hours of sunshine does Langley have in September?
What is the UV index reading in September?
Average temperature in September
Langley, OK
- Average high temperature in September: 82°F
The warmest month (with the highest average high temperature) is July (90.9°F).
The month with the lowest average high temperature is January (44.4°F).
- Average low temperature in September: 62.4°F
The month with the highest average low temperature is July (70.9°F).
The coldest month (with the lowest average low temperature) is January (29.3°F).
Average pressure in September
Langley, OK
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Langley, OK
- Average wind speed in September: 7.5mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is July (6.9mph).
Average humidity in September
Langley, OK
- Average humidity in September: 72%
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is October (69%).
Average rainfall in September
Langley, OK
- Average rainfall in September: 1.46"
The wettest month (with the highest rainfall) is May (2.32").
The driest month (with the least rainfall) is November (0.51").
Average rainfall days in September
Langley, OK
- Average rainfall days in September: 9.7 days
The months with the highest number of rainy days are May and June (12.4 days).
The month with the least rainy days is December (4.9 days).
Average snowfall in September
Langley, OK
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.43").
The months with the least snowfall are April, June, July, August, September and October (0").
Average snowfall days in September
Langley, OK
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Langley, 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 42min).
- Average sunshine in September: 9h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The months with the least sunshine are January and December (Average sunshine: 5h and 30min).
Average sunshine days in September
Langley, OK
- Average sunshine days in September: 17.5 days
The month with the most sunshine days is December (22.8 days).
The month with the least sunshine days is April (14.8 days).
Average UV index in September
Langley, OK
- 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 and December (UV index 2).
Average cloud cover in September
Langley, OK
- Average cloud cover in September: 27
The month with the most cloud cover is March (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility in September
Langley, 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).
Langley, Oklahoma, USA
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