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 onset of September aligns with a soft reduction in the average high-temperature, gently falling from a hot 91.9°F (33.3°C) in August to a moderately hot 84.4°F (29.1°C). During September, the temperature tends to dip to an average of 64°F (17.8°C) at night.Heat index
The average heat index in September is estimated at a tropical 86°F (30°C). Long-standing exposure and activity could induce a feeling of tiredness and lead to heat cramps.The metrics for the heat index are tailored for both shady environments and light winds. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is found by incorporating humidity levels into the air temperature measurement. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for 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 Gruver, the average relative humidity in September is 51%.Rainfall
In Gruver, during September, the rain falls for 7.7 days and regularly aggregates up to 0.79" (20mm) of precipitation. In Gruver, Texas, during the entire year, the rain falls for 72.8 days and collects up to 8.31" (211mm) of precipitation.Snowfall
In Gruver, snow does not fall in May through September.Daylight
In September, the average length of the day is 12h and 24min.On the first day of September, sunrise is at 7:17 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 7:30 pm CDT.
Sunshine
In Gruver, the average sunshine in September is 9.5h.UV index
In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: In September, the maximum UV index of 5 suggests these recommendations:
Take precautions - Protection against sunburn is recommended. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in September?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
Does it snow in September?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Gruver have in September?
What is the UV index intensity in September?
Average temperature in September
Gruver, TX
- Average high temperature in September: 84.4°F
The warmest month (with the highest average high temperature) is July (94.1°F).
The month with the lowest average high temperature is December (48.6°F).
- Average low temperature in September: 64°F
The month with the highest average low temperature is July (72.9°F).
The coldest months (with the lowest average low temperature) are January and December (29.8°F).
Average pressure in September
Gruver, TX
- Average pressure in September: 29.95"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed in September
Gruver, TX
- Average wind speed in September: 12.1mph
The windiest month (with the highest average wind speed) is April (13.9mph).
The calmest month (with the lowest average wind speed) is January (10.7mph).
Average humidity in September
Gruver, TX
- Average humidity in September: 51%
The month with the highest relative humidity is December (56%).
The month with the lowest relative humidity is April (45%).
Average rainfall in September
Gruver, TX
- Average rainfall in September: 0.79"
The wettest month (with the highest rainfall) is July (1.34").
The driest month (with the least rainfall) is November (0.2").
Average rainfall days in September
Gruver, TX
- Average rainfall days in September: 7.7 days
The month with the highest number of rainy days is July (10.7 days).
The months with the least rainy days are January and December (2.5 days).
Average snowfall in September
Gruver, TX
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.98").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Gruver, TX
- 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 May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Gruver, TX
- 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 3min
The month with the most sunshine is June (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).
Average sunshine days in September
Gruver, TX
- Average sunshine days in September: 19.1 days
The month with the most sunshine days is January (27.3 days).
The month with the least sunshine days is July (15.7 days).
Average UV index in September
Gruver, TX
- 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
Gruver, TX
- Average cloud cover in September: 18
The months with the most cloud cover are February and April (Cloud cover 24).
The month with the least cloud cover is June (Cloud cover 14).
Average visibility in September
Gruver, TX
- 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).
Gruver, Texas, USA
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