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
The onset of September aligns with a soft reduction in the average high-temperature, gently falling from a tropical 92.1°F (33.4°C) in August to a warm 85.1°F (29.5°C). A sharp contrast between day and night is prevalent in September with an average nighttime temperature of 63.5°F (17.5°C).Heat index
The heat index value during September is appraised at a hot 93.2°F (34°C). Take additional safety steps, risk of heat exhaustion and heat cramps is notable. Prolonged activity may cause heatstroke.Heat index values are typically calculated for conditions of shade and a light breeze. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'apparent temperature' or 'feels like', determines the feeling of heat when you account for the relative humidity. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. Considering the impact of direct sunlight, it's possible for the heat index to surge by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.
Humidity
In September, the average relative humidity is 71%.Rainfall
In Bordeaux, during September, the rain falls for 11.7 days and regularly aggregates up to 2.72" (69mm) of precipitation. Throughout the year, there are 148.5 rainfall days, and 34.33" (872mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in September is 12h and 23min.On the first day of September, sunrise is at 6:52 am and sunset at 7:45 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 7:04 pm CDT.
Sunshine
The average sunshine in September is 9.4h.UV index
In Bordeaux, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: The daily high UV index of 5 in September translates into this advice:
Guard yourself - Precautionary measures against sun damage are advocated. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it hot during September?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
How many hours of daylight does Bordeaux have in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Bordeaux have in September?
How high is the UV index in September?
Average temperature in September
Bordeaux, OK
- Average high temperature in September: 85.1°F
The warmest month (with the highest average high temperature) is July (93.2°F).
The month with the lowest average high temperature is January (48.2°F).
- Average low temperature in September: 63.5°F
The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (31.6°F).
Average pressure in September
Bordeaux, OK
- Average pressure in September: 30"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Bordeaux, OK
- Average wind speed in September: 5.3mph
The windiest month (with the highest average wind speed) is April (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in September
Bordeaux, OK
- Average humidity in September: 71%
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is August (69%).
Average rainfall in September
Bordeaux, OK
- Average rainfall in September: 2.72"
The wettest month (with the highest rainfall) is May (4.33").
The driest month (with the least rainfall) is January (2.09").
Average rainfall days in September
Bordeaux, OK
- Average rainfall days in September: 11.7 days
The month with the highest number of rainy days is March (15.6 days).
The month with the least rainy days is November (8.9 days).
Average snowfall in September
Bordeaux, OK
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.98").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Bordeaux, OK
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.1 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
Bordeaux, 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 48min).
- Average sunshine in September: 9h and 2min
The months with the most sunshine are July and August (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).
Average sunshine days in September
Bordeaux, OK
- Average sunshine days in September: 16.4 days
The months with the most sunshine days are January and December (19.3 days).
The months with the least sunshine days are July and August (13.5 days).
Average UV index in September
Bordeaux, OK
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
Bordeaux, OK
- Average cloud cover in September: 26
The month with the most cloud cover is February (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility in September
Bordeaux, 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).
Bordeaux, Oklahoma, USA
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