September weather forecastPutnam, TX
September
Weather in September
The first month of the autumn, September, is still a tropical month in Putnam, Texas, with temperature in the range of an average low of 68.2°F (20.1°C) and an average high of 86.5°F (30.3°C).Temperature
The arrival of September correlates with a minor temperature reduction, down from August's torrid 95.2°F (35.1°C) to a tropical 86.5°F (30.3°C). The average low-temperature during September nights is an agreeable 68.2°F (20.1°C).Heat index
The heat index in September is computed to be a hot 91.4°F (33°C). Take greater precautions, heat exhaustion and heat cramps may be expected. Heatstroke could result from lengthy activity.Realize that the values for the heat index are set for shaded places and light winds. Direct sunlight exposure may cause a 15 Fahrenheit (8 Celsius) degrees rise in the heat index.
Note: The heat index, also known as 'real feel' or 'apparent temperature', marries air temperature and humidity to produce a value illustrating perceived warmth. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. You should know that direct sun exposure can heighten weather effects, potentially elevating the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Young individuals usually face greater risks than adults as their sweat production is less. Also, their larger skin surface relative to their small bodies and the high heat generation due to their activity contributes to their vulnerability.
Humidity
In Putnam, the average relative humidity in September is 60%.Rainfall
In September, the rain falls for 11.6 days. Throughout September, 2.05" (52mm) of precipitation is accumulated. In Putnam, during the entire year, the rain falls for 102.9 days and collects up to 17.95" (456mm) of precipitation.Snowfall
In Putnam, snow does not fall in April through October.Daylight
The average length of the day in September is 12h and 21min.On the first day of September in Putnam, sunrise is at 7:12 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 7:22 pm CDT.
Sunshine
In September, the average sunshine in Putnam is 8.7h.UV index
In September, the average daily maximum UV index in Putnam is 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: The daily high UV index of 6 in September translates into this advice:
Shield from overexposure. Defense against sun-related harm is required. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Putnam, TX
- Average high temperature in September: 86.5°F
The warmest month (with the highest average high temperature) is August (95.2°F).
The month with the lowest average high temperature is December (56.1°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 (37.8°F).
Average pressure in September
Putnam, 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
Putnam, TX
- Average wind speed in September: 9mph
The windiest month (with the highest average wind speed) is April (13.4mph).
The calmest month (with the lowest average wind speed) is September (9mph).
Average humidity in September
Putnam, TX
- Average humidity in September: 60%
The month with the highest relative humidity is May (62%).
The month with the lowest relative humidity is August (49%).
Average rainfall in September
Putnam, TX
- Average rainfall in September: 2.05"
The wettest month (with the highest rainfall) is May (2.52").
The driest month (with the least rainfall) is January (0.87").
Average rainfall days in September
Putnam, TX
- Average rainfall days in September: 11.6 days
The month with the highest number of rainy days is May (13.2 days).
The month with the least rainy days is January (4.8 days).
Average snowfall in September
Putnam, TX
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.18").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Putnam, TX
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2 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
Putnam, TX
- Average daylight in September: 12h and 24min
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 42min
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 12min).
Average sunshine days in September
Putnam, TX
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is January (24.3 days).
The month with the least sunshine days is May (13.8 days).
Average UV index in September
Putnam, 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
Putnam, TX
- Average cloud cover in September: 27
The month with the most cloud cover is March (Cloud cover 30).
The month with the least cloud cover is August (Cloud cover 17).
Average visibility in September
Putnam, 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).
