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 move into September indicates a slight reduction in the average high-temperature, down from August's tropical 89.2°F (31.8°C) to a warm 82°F (27.8°C). Throughout September, a steady low-temperature average of 62.4°F (16.9°C) is noted.Heat index
In September, the average heat index is estimated at a tropical 87.8°F (31°C). With unrelenting exposure and activity, one might experience exhaustion, leading to potential heat cramps.Heat index data is primarily for areas with shade and subjected to light winds. A rise in the heat index by 15 Fahrenheit (8 Celsius) degrees may result from direct sunlight exposure.
Note: The heat index, also known as 'real feel' or 'apparent temperature', gives an indication of how one might feel in terms of heat after considering humidity. Depending on the activity and the individual's heat perception, which may vary due to factors including wind, clothing, and metabolic variations, this effect remains subjective. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Kids frequently fail to realize the necessity for resting and hydrating. Thirst is an advanced indication of dehydration - hence, maintaining hydration, especially during extended physical activities, becomes essential.
Humidity
In Spavinaw, the average relative humidity in September is 72%.Rainfall
In Spavinaw, in September, it is raining for 9.7 days, with typically 1.46" (37mm) of accumulated precipitation. Throughout the year, there are 112.7 rainfall days, and 14.33" (364mm) of precipitation is accumulated.Snowfall
In Spavinaw, snow does not fall in April, June through October.Daylight
The average length of the day in September is 12h and 24min.On the first day of September in Spavinaw, 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 Spavinaw, the average sunshine in September is 9.3h.UV index
In Spavinaw, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: A daily high UV index of 5 in September leads to these guidelines:
Exercise prevention - Precautions against solar damage are endorsed. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Frequently asked questions
What are September temperatures in Spavinaw?
What is the average humidity in September in Spavinaw?
How much does it rain in Spavinaw in September?
When it does not snow in Spavinaw?
How many hours of daylight does Spavinaw have in September?
When is the sunrise / sunset in September in Spavinaw?
How long on average sun shines in September in Spavinaw?
What is the UV index reading in September in Spavinaw?
Average temperature in September
Spavinaw, 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
Spavinaw, 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
Spavinaw, 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
Spavinaw, 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
Spavinaw, 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
Spavinaw, 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
Spavinaw, 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
Spavinaw, 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
Spavinaw, 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
Spavinaw, 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
Spavinaw, 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
Spavinaw, 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
Spavinaw, 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).
Spavinaw, Oklahoma, USA
Weather forecast for your location
2. Allow the app to use your location
