September weather forecast
Putnam, TX

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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.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in Putnam in September?

In September, the average high-temperature and low-temperature are 86.5°F (30.3°C) and 68.2°F (20.1°C) respectively. The average heat index (a.k.a. 'felt air temperature', 'feels like'), which factors the actual air temperature with the relative humidity, in September is computed to be 91.4°F (33°C).

What is the average humidity in September in Putnam?

In Putnam, the average relative humidity in September is 60%.

How much does it rain in Putnam in September?

In Putnam, during September, the rain falls for 11.6 days and regularly aggregates up to 2.05" (52mm) of precipitation.

When it does not snow in Putnam?

In Putnam, Texas, snow does not fall in April through October.

How many hours of daylight does Putnam have in September?

The average day length in September in Putnam is 12h and 21min.

What time are sunrise and sunset in September in Putnam?

In September, on the first day of the month, 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.

How many hours of sunshine does Putnam have in September?

The average sunshine duration in September in Putnam is 8.7h.

What is the UV index intensity in September in Putnam?

In September, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Putnam, TX

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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 / Average sunshine in September - Putnam, 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 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 - 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 - 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 - 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 - 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).

Putnam, Texas, USA

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