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
In September, the average high-temperature marginally decreases from a very hot 96.4°F (35.8°C) in August to a tropical 88.7°F (31.5°C). Holland records an average nighttime low-temperature of 70.9°F (21.6°C) throughout September.Heat index
Throughout September, the heat index is calculated to be a sweltering 100.4°F (38°C). Emphasize additional safety, risk of heat cramps and heat exhaustion is high. Continuous activity might result in heatstroke.Heat index evaluations are typically in the context of light winds and shaded environments. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is a numerical representation of warmth when taking temperature and moisture levels into account. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.
Through perspiration, the body has a natural mechanism to eliminate excessive heat via sweat evaporation. When relative humidity is heightened, it slows the rate of evaporation, thereby decreasing the body's ability to shed heat and creating a sensation of overheating. Heat absorption that surpasses the body's shedding capability can lead to overheating and varying levels of dehydration.
Humidity
The average relative humidity in September in Holland is 66%.Rainfall
In Holland, during September, the rain falls for 15.3 days and regularly aggregates up to 2.72" (69mm) of precipitation. In Holland, during the entire year, the rain falls for 145.4 days and collects up to 28.5" (724mm) of precipitation.Snowfall
In Holland, snow does not fall in March through October and December.Daylight
The average length of the day in September is 12h and 20min.On the first day of the month, sunrise is at 7:06 am and sunset at 7:52 pm. On the last day of September, in Holland, sunrise is at 7:23 am and sunset at 7:15 pm CDT.
Sunshine
In September, the average sunshine is 8.5h.UV index
In Holland, Texas, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for average individuals.Note: A maximum high daily UV index of 6 during September translates into the following directions:
Resist extreme sun exposure. Guarding against solar damage is essential. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is September in Holland?
What is the average humidity in September in Holland?
How much does it rain in Holland in September?
When it does not snow in Holland?
How many hours of daylight does Holland have in September?
When are sunrise and sunset in September in Holland?
How many hours of sunshine does Holland have in September?
What is the UV index intensity in September in Holland?
Average temperature in September
Holland, TX
- Average high temperature in September: 88.7°F
The warmest month (with the highest average high temperature) is August (96.4°F).
The month with the lowest average high temperature is January (58.1°F).
- Average low temperature in September: 70.9°F
The month with the highest average low temperature is August (76.3°F).
The coldest month (with the lowest average low temperature) is January (41.9°F).
Average pressure in September
Holland, TX
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in September
Holland, TX
- Average wind speed in September: 6.7mph
The windiest month (with the highest average wind speed) is March (10.1mph).
The calmest month (with the lowest average wind speed) is September (6.7mph).
Average humidity in September
Holland, TX
- Average humidity in September: 66%
The month with the highest relative humidity is May (76%).
The month with the lowest relative humidity is August (58%).
Average rainfall in September
Holland, TX
- Average rainfall in September: 2.72"
The wettest month (with the highest rainfall) is October (4.13").
The driest month (with the least rainfall) is February (1.34").
Average rainfall days in September
Holland, TX
- Average rainfall days in September: 15.3 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (8.7 days).
Average snowfall in September
Holland, TX
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.2").
The months with the least snowfall are March, April, May, June, July, August, September, October and December (0").
Average snowfall days in September
Holland, TX
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.8 days).
The months with the least snowfall days are March, April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Holland, TX
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in September: 8h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in September
Holland, TX
- Average sunshine days in September: 12.5 days
The month with the most sunshine days is January (20.3 days).
The month with the least sunshine days is September (12.5 days).
Average UV index in September
Holland, 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 3).
Average cloud cover in September
Holland, TX
- Average cloud cover in September: 30
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility in September
Holland, 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).
Holland, Texas, USA
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