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 average high-temperature slightly decreases in September, shifting from a sweltering 95.4°F (35.2°C) in August to a tropical 86.9°F (30.5°C). Potosi, in September, witnesses an average low-temperature of 68°F (20°C).Heat index
The heat index value during September is evaluated at a tropical 93.2°F (34°C). Incorporate additional preventive steps, heat exhaustion and heat cramps are possible. Long-lasting activity may cause heatstroke.Heat index readings emphasize conditions of light breezes and shaded spots. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', unifies temperature and humidity readings to offer a comprehensive feel of warmth. A person's impression of weather can be swayed by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Young children are more at risk than adults since they tend to sweat less. Moreover, their large skin surface in proportion to their small bodies and the high heat production due to their activities contribute to their vulnerability.
Humidity
The months with the highest humidity are May, September and November, with an average relative humidity of 59%.Rainfall
In Potosi, Texas, in September, during 11.4 rainfall days, 2.09" (53mm) of precipitation is typically accumulated. In Potosi, during the entire year, the rain falls for 95.8 days and collects up to 16.14" (410mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in September is 12h and 21min.On the first day of the month, sunrise is at 7:14 am and sunset at 8:02 pm. On the last day of September, sunrise is at 7:32 am and sunset at 7:24 pm CDT.
Sunshine
In Potosi, Texas, the average sunshine in September is 8.7h.UV index
In Potosi, 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 the ordinary person.Note: A daily maximum UV index of 6 in September translates into the following instructions:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in Potosi in September?
What are the most humid months in Potosi?
What is the average humidity in September in Potosi?
How much does it rain in Potosi in September?
When it does not snow in Potosi?
How many hours of daylight does Potosi have in September?
When are sunrise and sunset in September in Potosi?
How long on average sun shines in September in Potosi?
What is the UV index intensity in September in Potosi?
Average temperature in September
Potosi, TX
- Average high temperature in September: 86.9°F
The warmest month (with the highest average high temperature) is August (95.4°F).
The months with the lowest average high temperature are January and December (56.5°F).
- Average low temperature in September: 68°F
The month with the highest average low temperature is August (74.8°F).
The coldest month (with the lowest average low temperature) is January (38.1°F).
Average pressure in September
Potosi, 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
Potosi, TX
- Average wind speed in September: 9.4mph
The windiest month (with the highest average wind speed) is April (13.5mph).
The calmest month (with the lowest average wind speed) is September (9.4mph).
Average humidity in September
Potosi, TX
- Average humidity in September: 59%
The months with the highest relative humidity are May, September and November (59%).
The month with the lowest relative humidity is August (48%).
Average rainfall in September
Potosi, TX
- Average rainfall in September: 2.09"
The wettest month (with the highest rainfall) is October (2.24").
The driest months (with the least rainfall) are January and February (0.71").
Average rainfall days in September
Potosi, TX
- Average rainfall days in September: 11.4 days
The month with the highest number of rainy days is May (12 days).
The month with the least rainy days is January (4 days).
Average snowfall in September
Potosi, TX
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.91").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Potosi, TX
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.6 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
Potosi, TX
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is December (Average sunshine: 6h and 18min).
Average sunshine days in September
Potosi, TX
- Average sunshine days in September: 17.3 days
The month with the most sunshine days is January (25.7 days).
The month with the least sunshine days is May (16 days).
Average UV index in September
Potosi, 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
Potosi, TX
- Average cloud cover in September: 27
The month with the most cloud cover is March (Cloud cover 28).
The month with the least cloud cover is August (Cloud cover 17).
Average visibility in September
Potosi, 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).
Potosi, Texas, USA
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