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
As Griffith enters September, the average high-temperature subtly lowers from the a tropical 90.9°F (32.7°C) of August to a warm 82.4°F (28°C). During the month of September, Griffith anticipates a mean low-temperature of 63°F (17.2°C).Heat index
The heat index value during September is appraised at 84.2°F (29°C). Long-standing exposure and activity could induce a feeling of tiredness and lead to heat cramps.Consider that heat index readings are for situations in the shade and light wind. Facing direct sunlight may hike up the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.
Humidity
With an average relative humidity of 54%, September is the most humid month in Griffith.Rainfall
September is the month with the most rainfall in Griffith, Texas. Rain falls for 9.6 days and accumulates 1.54" (39mm) of precipitation.Snowfall
May through September are months without snowfall in Griffith.Daylight
The average length of the day in September is 12h and 22min.On the first day of the month, sunrise is at 7:26 am and sunset at 8:17 pm. On the last day of September, sunrise is at 7:46 am and sunset at 7:37 pm CDT.
Sunshine
In Griffith, the average sunshine in September is 10.2h.UV index
In Griffith, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the ordinary person.Note: A daily maximum UV index of 6 in September translates into the following instructions:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Frequently asked questions
How hot does it get in Griffith in September?
What is the most humid month in Griffith?
What is the average humidity in September in Griffith?
What is the rainiest month in Griffith?
How many days does it rain in September in Griffith?
When it does not snow in Griffith?
Does it snow in Griffith in September?
How many hours of daylight does Griffith have in September?
When are sunrise and sunset in September in Griffith?
How many hours of sunshine does Griffith have in September?
How high is the UV index in September in Griffith?
Average temperature in September
Griffith, TX
- Average high temperature in September: 82.4°F
The warmest month (with the highest average high temperature) is June (91.2°F).
The month with the lowest average high temperature is December (51.3°F).
- Average low temperature in September: 63°F
The month with the highest average low temperature is July (71.1°F).
The coldest month (with the lowest average low temperature) is January (33.4°F).
Average pressure in September
Griffith, TX
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in September
Griffith, TX
- Average wind speed in September: 10.3mph
The windiest month (with the highest average wind speed) is April (13.3mph).
The calmest month (with the lowest average wind speed) is August (9.8mph).
Average humidity in September
Griffith, TX
- Average humidity in September: 54%
The month with the highest relative humidity is September (54%).
The month with the lowest relative humidity is April (33%).
Average rainfall in September
Griffith, TX
- Average rainfall in September: 1.54"
The wettest month (with the highest rainfall) is September (1.54").
The driest month (with the least rainfall) is January (0.28").
Average rainfall days in September
Griffith, TX
- Average rainfall days in September: 9.6 days
The months with the highest number of rainy days are August and September (9.6 days).
The month with the least rainy days is November (2.6 days).
Average snowfall in September
Griffith, TX
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.38").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Griffith, TX
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (3.3 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
Griffith, TX
- 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: 10h and 0min).
- Average sunshine in September: 10h and 1min
The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 54min).
Average sunshine days in September
Griffith, TX
- Average sunshine days in September: 18.5 days
The month with the most sunshine days is January (26.2 days).
The month with the least sunshine days is September (18.5 days).
Average UV index in September
Griffith, TX
- Average UV index in September: 6
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
Griffith, TX
- Average cloud cover in September: 20
The month with the most cloud cover is December (Cloud cover 21).
The month with the least cloud cover is June (Cloud cover 12).
Average visibility in September
Griffith, 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).
Griffith, Texas, USA
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