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
September's onset corresponds with a subtle shift in the average high-temperature, slightly moving from a very hot 95.7°F (35.4°C) in August to a hot 86.9°F (30.5°C). September nights in Jermyn are marked by an average low-temperature of 68.2°F (20.1°C).Heat index
The average heat index in September is calculated to be a hot 93.2°F (34°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.In the scope of the heat index, its values resonate with shade and light wind conditions. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', marries air temperature and humidity to produce a value illustrating perceived warmth. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
Humidity
The average relative humidity in September in Jermyn is 62%.Rainfall
In September, the rain falls for 12.5 days. Throughout September, 1.89" (48mm) of precipitation is accumulated. In Jermyn, during the entire year, the rain falls for 113.5 days and collects up to 18.74" (476mm) of precipitation.Snowfall
April through October are months without snowfall in Jermyn.Daylight
The average length of the day in September in Jermyn, Texas, is 12h and 22min.On the first day of September, sunrise is at 7:08 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 7:18 pm CDT.
Sunshine
The average sunshine in September is 8.6h.UV index
In September, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for average individuals.Note: In September, an average UV index of 6 transforms into the following instructions:
Inhibit overexposure. Warding off sun damage is of utmost importance. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it hot in Jermyn during September?
What is the average humidity in September in Jermyn?
How much does it rain in Jermyn in September?
When it does not snow in Jermyn?
What is the average length of the day in September in Jermyn?
What time are sunrise and sunset in September in Jermyn?
How long on average sun shines in September in Jermyn?
What is the UV index reading in September in Jermyn?
Average temperature in September
Jermyn, TX
- Average high temperature in September: 86.9°F
The warmest month (with the highest average high temperature) is August (95.7°F).
The month with the lowest average high temperature is December (54.5°F).
- Average low temperature in September: 68.2°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 (37°F).
Average pressure in September
Jermyn, 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 (29.88"Hg).
Average wind speed in September
Jermyn, TX
- Average wind speed in September: 7.6mph
The windiest month (with the highest average wind speed) is April (11.4mph).
The calmest month (with the lowest average wind speed) is September (7.6mph).
Average humidity in September
Jermyn, TX
- Average humidity in September: 62%
The month with the highest relative humidity is May (70%).
The month with the lowest relative humidity is August (53%).
Average rainfall in September
Jermyn, TX
- Average rainfall in September: 1.89"
The wettest month (with the highest rainfall) is May (2.44").
The driest month (with the least rainfall) is January (0.79").
Average rainfall days in September
Jermyn, TX
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is May (13.3 days).
The month with the least rainy days is January (5.4 days).
Average snowfall in September
Jermyn, TX
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.67").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Jermyn, TX
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.5 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
Jermyn, 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 0min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).
Average sunshine days in September
Jermyn, TX
- Average sunshine days in September: 15.7 days
The month with the most sunshine days is January (23.8 days).
The month with the least sunshine days is May (15 days).
Average UV index in September
Jermyn, 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
Jermyn, TX
- Average cloud cover in September: 27
The month with the most cloud cover is March (Cloud cover 33).
The month with the least cloud cover is August (Cloud cover 18).
Average visibility in September
Jermyn, 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).
Jermyn, Texas, USA
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