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 arrival of September is marked by a minor reduction in average high-temperature, sliding from a hot 94.6°F (34.8°C) in August to a warm 85.8°F (29.9°C). In September, the average low-temperature is a refreshing 66.9°F (19.4°C).Heat index
The heat index value for September is appraised at a tropical 93.2°F (34°C). Implement enhanced safety actions, heat cramps and heat exhaustion could occur. Sustained activity might result in heatstroke.Note that heat index values are valued for light wind and location in the shade. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', marries air temperature and humidity to produce a value illustrating perceived warmth. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of 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 quite important for babies and toddlers. Youngsters generally face more threats than adults given their lesser ability to sweat. Coupled with their larger skin surface relative to their small bodies and higher heat production due to their activities, they are more endangered.
Humidity
The average relative humidity in September is 65%.Rainfall
In Lone Grove, Oklahoma, during September, the rain falls for 12 days and regularly aggregates up to 2.6" (66mm) of precipitation. Throughout the year, in Lone Grove, there are 121.2 rainfall days, and 24.09" (612mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall in Lone Grove, Oklahoma.Daylight
In Lone Grove, Oklahoma, the average length of the day in September is 12h and 22min.On the first day of September in Lone Grove, sunrise is at 7:03 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 7:14 pm CDT.
Sunshine
In September, the average sunshine in Lone Grove is 8.5h.UV index
The average daily maximum UV index in September in Lone Grove is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily high UV index of 5 in September translates into this advice:
Undertake protective steps - Preventing sun damage is advised. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Boost your sun resistance with garments that are densely woven yet spacious.
Frequently asked questions
How hot is September in Lone Grove?
What is the average humidity in September in Lone Grove?
How many days does it rain in September in Lone Grove?
When it does not snow in Lone Grove?
What is the average length of the day in September in Lone Grove?
What time are sunrise and sunset in September in Lone Grove?
How long on average sun shines in September in Lone Grove?
What is the UV index reading in September in Lone Grove?
Average temperature in September
Lone Grove, OK
- Average high temperature in September: 85.8°F
The warmest month (with the highest average high temperature) is August (94.6°F).
The month with the lowest average high temperature is January (51.6°F).
- Average low temperature in September: 66.9°F
The month with the highest average low temperature is July (73.8°F).
The coldest month (with the lowest average low temperature) is January (35.2°F).
Average pressure in September
Lone Grove, OK
- Average pressure in September: 29.97"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in September
Lone Grove, OK
- Average wind speed in September: 7.4mph
The windiest months (with the highest average wind speed) are March and April (10.7mph).
The calmest month (with the lowest average wind speed) is September (7.4mph).
Average humidity in September
Lone Grove, OK
- Average humidity in September: 65%
The month with the highest relative humidity is May (76%).
The month with the lowest relative humidity is August (57%).
Average rainfall in September
Lone Grove, OK
- Average rainfall in September: 2.6"
The wettest month (with the highest rainfall) is May (3.66").
The driest month (with the least rainfall) is December (1.06").
Average rainfall days in September
Lone Grove, OK
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is May (13.7 days).
The month with the least rainy days is January (5.2 days).
Average snowfall in September
Lone Grove, OK
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.14").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Lone Grove, OK
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.8 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
Lone Grove, OK
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in September: 8h and 3min
The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).
Average sunshine days in September
Lone Grove, OK
- Average sunshine days in September: 15.3 days
The month with the most sunshine days is January (24.5 days).
The month with the least sunshine days is May (15.1 days).
Average UV index in September
Lone Grove, OK
- Average UV index in September: 5
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
Lone Grove, OK
- Average cloud cover in September: 28
The month with the most cloud cover is March (Cloud cover 36).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in September
Lone Grove, 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).
Lone Grove, Oklahoma, USA
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