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's onset brings a reduction in the average high-temperature, from a hot 94.1°F (34.5°C) in August to a moderately hot 85.1°F (29.5°C). Foss experiences an average low-temperature reading of 66°F (18.9°C) throughout September.Heat index
The heat index in September is computed to be a hot 89.6°F (32°C). Uninterrupted activity during exposure could lead to a sense of exhaustion, possibly causing heat cramps.Be advised, the heat index considers values for conditions in shade and with a light breeze. Uninterrupted exposure to the sun may boost the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is the result of factoring in humidity to the air temperature, indicating perceived warmth. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. Direct sun exposure is noteworthy in its ability to escalate the felt temperature, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are of high significance for children. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.
Humidity
In Foss, the average relative humidity in September is 60%.Rainfall
In September, in Foss, the rain falls for 10.3 days. Throughout September, 1.69" (43mm) of precipitation is accumulated. Throughout the year, in Foss, there are 97.8 rainfall days, and 18.15" (461mm) of precipitation is accumulated.Snowfall
In Foss, snow does not fall in May through September.Daylight
In Foss, Oklahoma, the average length of the day in September is 12h and 23min.On the first day of the month, sunrise is at 7:09 am and sunset at 8:03 pm. On the last day of September, sunrise is at 7:31 am and sunset at 7:21 pm CDT.
Sunshine
The average sunshine in September is 9h.UV index
The average daily maximum UV index in September in Foss is 6. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for average individuals.Note: A maximum UV index of 6 in September translates into the following recommendations:
Deflect overexposure. Sun protection is a necessity. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Frequently asked questions
How hot is September in Foss?
What is the average humidity in September in Foss?
How much does it rain in Foss in September?
When it does not snow in Foss?
Does it snow in Foss in September?
What is the average length of the day in September in Foss?
When is the sunrise / sunset in September in Foss?
How long on average sun shines in September in Foss?
How high is the UV index in September in Foss?
Average temperature in September
Foss, OK
- Average high temperature in September: 85.1°F
The warmest month (with the highest average high temperature) is July (95.2°F).
The month with the lowest average high temperature is December (49.5°F).
- Average low temperature in September: 66°F
The month with the highest average low temperature is July (74.3°F).
The coldest month (with the lowest average low temperature) is January (31.6°F).
Average pressure in September
Foss, OK
- Average pressure in September: 29.97"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in September
Foss, OK
- Average wind speed in September: 9.7mph
The windiest month (with the highest average wind speed) is April (12.9mph).
The calmest month (with the lowest average wind speed) is August (9.2mph).
Average humidity in September
Foss, OK
- Average humidity in September: 60%
The month with the highest relative humidity is May (63%).
The month with the lowest relative humidity is August (51%).
Average rainfall in September
Foss, OK
- Average rainfall in September: 1.69"
The wettest month (with the highest rainfall) is May (3.35").
The driest month (with the least rainfall) is February (0.75").
Average rainfall days in September
Foss, OK
- Average rainfall days in September: 10.3 days
The month with the highest number of rainy days is May (13.1 days).
The month with the least rainy days is January (3.4 days).
Average snowfall in September
Foss, OK
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.09").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Foss, OK
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Foss, 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 0min
The months with the most sunshine are June and July (Average sunshine: 11h and 24min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).
Average sunshine days in September
Foss, OK
- Average sunshine days in September: 17.8 days
The month with the most sunshine days is January (24.8 days).
The month with the least sunshine days is May (15 days).
Average UV index in September
Foss, OK
- Average UV index in September: 6
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
Foss, OK
- Average cloud cover in September: 23
The months with the most cloud cover are March and April (Cloud cover 30).
The months with the least cloud cover are June and August (Cloud cover 17).
Average visibility in September
Foss, 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).
Foss, Oklahoma, USA
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