September weather forecastWhite Oak, MO
September
Weather in September
September, the first month of the autumn in White Oak, is also a moderately hot month, with an average temperature fluctuating between 82°F (27.8°C) and 63.3°F (17.4°C).Temperature
September denotes a minimal variation in the average high-temperature to a warm 82°F (27.8°C) from August's 86.5°F (30.3°C). White Oak's temperature lowers to a mean of 63.3°F (17.4°C) during the nights in September.Heat index
The average heat index in September is computed to be a hot 87.8°F (31°C). Exposure and extended activity could potentially cause a state of fatigue and lead to heat cramps.Consider that heat index readings are for situations in the shade and light wind. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', binds temperature metrics with humidity values to give a sense of the actual warmth. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are extremely vital to babies and toddlers. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
Humidity
The average relative humidity in September in White Oak is 72%.Rainfall
The month with the least rainfall in White Oak is September, when the rain falls for 12.4 days and typically collects 1.81" (46mm) of precipitation.Snowfall
In White Oak, Missouri, snow does not fall in April through October.Daylight
The average length of the day in September in White Oak is 12h and 24min.On the first day of the month, sunrise is at 6:32 am and sunset at 7:27 pm. On the last day of September, in White Oak, sunrise is at 6:55 am and sunset at 6:44 pm CDT.
Sunshine
In White Oak, the average sunshine in September is 9.7h.UV index
The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: The maximum UV index of 5 during September leads to these instructions:
Put precautions into practice - Protective measures against sun-induced damage are advised. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
White Oak, MO
- Average high temperature in September: 82°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (43.3°F).
- Average low temperature in September: 63.3°F
The month with the highest average low temperature is July (72°F).
The coldest month (with the lowest average low temperature) is January (31.1°F).
Average pressure in September
White Oak, MO
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
White Oak, MO
- Average wind speed in September: 6.3mph
The windiest month (with the highest average wind speed) is February (9.7mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in September
White Oak, MO
- Average humidity in September: 72%
The month with the highest relative humidity is March (78%).
The month with the lowest relative humidity is October (67%).
Average rainfall in September
White Oak, MO
- Average rainfall in September: 1.81"
The wettest month (with the highest rainfall) is April (4.49").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days in September
White Oak, MO
- Average rainfall days in September: 12.4 days
The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is November (9.9 days).
Average snowfall in September
White Oak, MO
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.42").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
White Oak, MO
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
White Oak, MO
- Average daylight in September: 12h and 24min
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 42min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in September
White Oak, MO
- Average sunshine days in September: 15.6 days
The month with the most sunshine days is October (19.5 days).
The months with the least sunshine days are May and July (13.2 days).
Average UV index in September
White Oak, MO
- 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
White Oak, MO
- Average cloud cover in September: 27
The months with the most cloud cover are February and March (Cloud cover 47).
The month with the least cloud cover is June (Cloud cover 24).
Average visibility in September
White Oak, MO
- 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).





