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
Grand Lake Towne's September weather shows a modest shift in high-temperatures, falling from August's tropical 89.2°F (31.8°C) to a moderately hot 82°F (27.8°C). Throughout September nights, Grand Lake Towne registers an average low-temperature of 62.4°F (16.9°C).Heat index
September's mean heat index is computed to be a tropical 87.8°F (31°C). Long-lasting exposure and activity potentially induce a sense of weariness, with the risk of heat cramps.Observations indicate that the heat index values are for shady locations with light wind. Exposure to the direct sun might augment heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', gauges the sensation of temperature factoring in the air's moisture content. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.
Humidity
The average relative humidity in September is 72%.Rainfall
In Grand Lake Towne, Oklahoma, during September, the rain falls for 9.7 days and regularly aggregates up to 1.46" (37mm) of precipitation. In Grand Lake Towne, during the entire year, the rain falls for 112.7 days and collects up to 14.33" (364mm) of precipitation.Snowfall
April, June through October are months without snowfall.Daylight
In Grand Lake Towne, the average length of the day in September is 12h and 24min.On the first day of September, 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 Grand Lake Towne, the average sunshine in September is 9.3h.UV index
In Grand Lake Towne, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: In September, the maximum UV index of 5 transforms into these recommendations:
Adopt protective measures - Suggestions to resist sunburn are offered. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Frequently asked questions
What are the temperatures in Grand Lake Towne in September?
What is the average humidity in September in Grand Lake Towne?
How many days does it rain in September in Grand Lake Towne?
When it does not snow in Grand Lake Towne?
What is the average length of the day in September in Grand Lake Towne?
When are sunrise and sunset in September in Grand Lake Towne?
How many hours of sunshine does Grand Lake Towne have in September?
What is the UV index intensity in September in Grand Lake Towne?
Average temperature in September
Grand Lake Towne, 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
Grand Lake Towne, 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
Grand Lake Towne, 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
Grand Lake Towne, 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
Grand Lake Towne, 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
Grand Lake Towne, 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
Grand Lake Towne, 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
Grand Lake Towne, 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
Grand Lake Towne, 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
Grand Lake Towne, 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
Grand Lake Towne, 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
Grand Lake Towne, 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
Grand Lake Towne, 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).
Grand Lake Towne, Oklahoma, USA
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