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
Transition into September subtly marks a drop in the average high-temperature, moderately moving from a hot 91.9°F (33.3°C) in August to a warm 83.3°F (28.5°C). An average low-temperature of 63.1°F (17.3°C) is anticipated throughout the nights in Petersburg during September.Heat index
September's heat index is estimated at a hot 86°F (30°C). Persisting in activity during exposure could lead to weariness and subsequently to heat cramps.Be advised, the heat index considers values for conditions in shade and with a light breeze. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.
Humidity
The most humid month is September, with an average relative humidity of 58%.Rainfall
September is the month with the most rainfall in Petersburg. Rain falls for 12.7 days and accumulates 2.2" (56mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 22min.On the first day of September in Petersburg, sunrise is at 7:20 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 7:31 pm CDT.
Sunshine
The average sunshine in September is 9h.UV index
In Petersburg, Texas, the average daily maximum UV index in September 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 the ordinary person.Note: A maximum high daily UV index of 6 during September translates into the following directions:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Frequently asked questions
Is it hot in Petersburg during September?
What is the most humid month in Petersburg?
What is the average humidity in September in Petersburg?
What is the rainiest month in Petersburg?
How many days does it rain in September in Petersburg?
When it does not snow in Petersburg?
Does it snow in Petersburg in September?
How many hours of daylight does Petersburg have in September?
When is the sunrise / sunset in September in Petersburg?
How long on average sun shines in September in Petersburg?
What is the UV index intensity in September in Petersburg?
Average temperature in September
Petersburg, TX
- Average high temperature in September: 83.3°F
The warmest months (with the highest average high temperature) are June, July and August (91.9°F).
The month with the lowest average high temperature is December (52.2°F).
- Average low temperature in September: 63.1°F
The month with the highest average low temperature is July (71.6°F).
The coldest month (with the lowest average low temperature) is January (33.1°F).
Average pressure in September
Petersburg, TX
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in September
Petersburg, TX
- Average wind speed in September: 9.7mph
The windiest month (with the highest average wind speed) is April (13.2mph).
The calmest month (with the lowest average wind speed) is August (9.4mph).
Average humidity in September
Petersburg, TX
- Average humidity in September: 58%
The month with the highest relative humidity is September (58%).
The month with the lowest relative humidity is April (39%).
Average rainfall in September
Petersburg, TX
- Average rainfall in September: 2.2"
The wettest month (with the highest rainfall) is September (2.2").
The driest month (with the least rainfall) is February (0.35").
Average rainfall days in September
Petersburg, TX
- Average rainfall days in September: 12.7 days
The month with the highest number of rainy days is September (12.7 days).
The month with the least rainy days is November (3 days).
Average snowfall in September
Petersburg, TX
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.61").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Petersburg, TX
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (2.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Petersburg, TX
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in September: 9h and 0min
The month with the most sunshine is June (Average sunshine: 11h and 42min).
The months with the least sunshine are November and December (Average sunshine: 6h and 54min).
Average sunshine days in September
Petersburg, TX
- Average sunshine days in September: 14.9 days
The month with the most sunshine days is January (27 days).
The month with the least sunshine days is September (14.9 days).
Average UV index in September
Petersburg, TX
- Average UV index in September: 6
The months with the highest UV index are May, June and July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
Petersburg, TX
- Average cloud cover in September: 23
The month with the most cloud cover is September (Cloud cover 23).
The month with the least cloud cover is June (Cloud cover 14).
Average visibility in September
Petersburg, 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).
Petersburg, Texas, USA
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