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 coincides with a reduction in the average high-temperature, falling from a fiery hot 97.5°F (36.4°C) in August to a hot 87.6°F (30.9°C). An average low-temperature of 68.9°F (20.5°C) is common during the nights of September.Heat index
Throughout September, the heat index is estimated at a hot 93.2°F (34°C). Exercise more precautions, heat cramps and heat exhaustion are potential risks. Continuous activity could precipitate heatstroke.When referencing the heat index, its values are suitable for shady environments and light breezes. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', ties air temperature with relative humidity to produce the perceived temperature sensation. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. One's exposure to direct sunlight has the potential to intensify the heat sensation, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.
Humidity
In Harrold, the average relative humidity in September is 59%.Rainfall
In Harrold, in September, during 12.5 rainfall days, 2.28" (58mm) of precipitation is typically accumulated. In Harrold, Texas, during the entire year, the rain falls for 101.3 days and collects up to 19.88" (505mm) of precipitation.Snowfall
In Harrold, snow does not fall in May through October.Daylight
In September, the average length of the day in Harrold is 12h and 22min.On the first day of September, sunrise is at 7:10 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 7:21 pm CDT.
Sunshine
The average sunshine in September is 8.6h.UV index
In September, the average daily maximum UV index in Harrold is 6. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for average individuals.Note: A typical high UV index of 6 in September suggests the following recommendations:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it hot in Harrold during September?
What is the average humidity in September in Harrold?
How many days does it rain in September in Harrold?
When it does not snow in Harrold?
What is the average length of the day in September in Harrold?
What time are sunrise and sunset in September in Harrold?
How many hours of sunshine does Harrold have in September?
What is the UV index reading in September in Harrold?
Average temperature in September
Harrold, TX
- Average high temperature in September: 87.6°F
The warmest month (with the highest average high temperature) is August (97.5°F).
The month with the lowest average high temperature is December (54°F).
- Average low temperature in September: 68.9°F
The month with the highest average low temperature is July (77°F).
The coldest month (with the lowest average low temperature) is January (36°F).
Average pressure in September
Harrold, TX
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in September
Harrold, TX
- Average wind speed in September: 8.6mph
The windiest month (with the highest average wind speed) is April (12mph).
The calmest month (with the lowest average wind speed) is September (8.6mph).
Average humidity in September
Harrold, TX
- Average humidity in September: 59%
The month with the highest relative humidity is May (63%).
The month with the lowest relative humidity is August (47%).
Average rainfall in September
Harrold, TX
- Average rainfall in September: 2.28"
The wettest month (with the highest rainfall) is May (3.23").
The driest month (with the least rainfall) is February (0.79").
Average rainfall days in September
Harrold, TX
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is May (12.7 days).
The month with the least rainy days is January (3.6 days).
Average snowfall in September
Harrold, TX
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.1").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Harrold, TX
- 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
Harrold, 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: 9h and 54min).
- Average sunshine in September: 8h and 4min
The months with the most sunshine are June and July (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 6h and 18min).
Average sunshine days in September
Harrold, TX
- Average sunshine days in September: 15.4 days
The month with the most sunshine days is January (25.8 days).
The month with the least sunshine days is September (15.4 days).
Average UV index in September
Harrold, TX
- Average UV index in September: 6
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
Harrold, TX
- Average cloud cover in September: 26
The month with the most cloud cover is March (Cloud cover 31).
The months with the least cloud cover are June and August (Cloud cover 18).
Average visibility in September
Harrold, 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).
Harrold, Texas, USA
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