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
Start of September brings a slight shift in the average high-temperature, dipping a bit from August's tropical 94.8°F (34.9°C) to a still hot 88.3°F (31.3°C). Jonesville throughout September, experiences an average nighttime temperature of 67.3°F (19.6°C).Heat index
For most parts of September, the heat index is computed to be a torrid 100.4°F (38°C). Apply extra caution, heat cramps and heat exhaustion could happen. Heatstroke might occur with long-duration activity.Consider that heat index readings are for situations in the shade and light wind. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is the outcome of merging air's temperature and its humidity metrics. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. Under direct sun rays, the felt temperature might be heightened, with the heat index increasing by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. Under high air temperature coupled with high humidity (high heat index), the body's perspiration is reduced, intensifying the sensation of heat. When body heat isn't effectively managed, risks of dehydration and overheating amplify.
Humidity
In Jonesville, the average relative humidity in September is 69%.Rainfall
In Jonesville, Texas, during September, the rain falls for 12 days and regularly aggregates up to 1.57" (40mm) of precipitation. Throughout the year, in Jonesville, there are 125.9 rainfall days, and 21.06" (535mm) of precipitation is accumulated.Snowfall
March through December are months without snowfall in Jonesville, Texas.Daylight
In Jonesville, the average length of the day in September is 12h and 22min.On the first day of September, sunrise is at 6:51 am and sunset at 7:40 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 7:02 pm CDT.
Sunshine
In Jonesville, Texas, the average sunshine in September is 9.3h.UV index
The average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for the average person.Note: A maximum daily UV index of 6 during September morphs into the following directions:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Frequently asked questions
Is it hot in Jonesville during September?
What is the average humidity in September in Jonesville?
How many days does it rain in September in Jonesville?
When it does not snow in Jonesville?
How many hours of daylight does Jonesville have in September?
What time are sunrise and sunset in September in Jonesville?
How long on average sun shines in September in Jonesville?
What is the UV index intensity in September in Jonesville?
Average temperature in September
Jonesville, TX
- Average high temperature in September: 88.3°F
The warmest month (with the highest average high temperature) is August (94.8°F).
The month with the lowest average high temperature is January (54.1°F).
- Average low temperature in September: 67.3°F
The month with the highest average low temperature is July (73.2°F).
The coldest month (with the lowest average low temperature) is January (38.8°F).
Average pressure in September
Jonesville, TX
- Average pressure in September: 29.98"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Jonesville, TX
- Average wind speed in September: 5.2mph
The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest months (with the lowest average wind speed) are August and September (5.2mph).
Average humidity in September
Jonesville, TX
- Average humidity in September: 69%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is August (67%).
Average rainfall in September
Jonesville, TX
- Average rainfall in September: 1.57"
The wettest month (with the highest rainfall) is April (2.32").
The driest month (with the least rainfall) is November (1.34").
Average rainfall days in September
Jonesville, TX
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is August (12.6 days).
The month with the least rainy days is November (7.8 days).
Average snowfall in September
Jonesville, TX
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.43").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in September
Jonesville, TX
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Jonesville, TX
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in September: 9h and 2min
The months with the most sunshine are July and August (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days in September
Jonesville, TX
- Average sunshine days in September: 15.4 days
The month with the most sunshine days is October (21.2 days).
The months with the least sunshine days are February and June (15.1 days).
Average UV index in September
Jonesville, TX
- Average UV index in September: 6
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 3).
Average cloud cover in September
Jonesville, TX
- Average cloud cover in September: 30
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in September
Jonesville, TX
- Average visibility in September: 6mi
The months with the highest visibility are January, March, April, June, July, August, September, October and November (6mi).
The months with the lowest visibility are February, May and December (5mi).
Jonesville, Texas, USA
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