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United StatesThe weather in September in Houston
It's cool in September in Houston with an average temperature of 14°C. Temperatures this month range from a low of 11°C to a high of 17°C. At night, you can expect temperatures between 2°C and 8°C.
Looking for sun? September isn’t a good month to be in Houston. There’s too much chance of rain this month.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in September for Houston, Alaska. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 22°C in 2016, Houston reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 2°C in 2021. The extreme nighttime temperatures ranged from a lowest recorded value of -7°C to a highest value of 13°C.
Precipitation and snowfall
In September, there is an average of 108 mm of precipitation, spread over 13 days. Of the total precipitation, about 0,4 cm falls as snow in September. The wind speed is around 3 Bft, mostly coming from the Southeast.
Daily weather in September for Houston
Click on any day in September to get detailed info about the usual weather on that day in Houston. Check out the historical temperatures and precipitation over the past 10 years on this day.
September weather comparison
| Houston | New York | |
|---|---|---|
| Average temperature | 14°C | 27°C |
| Max. temperature | 17°C | 31°C |
| Min. temperature | 2°C | -5°C |
| Total precipitation | 108 mm | 57 mm |
| Rainy days | 13 days | 9 days |
| Total snowfall | 0,4 cm | 0 cm |
| Snowy days | 1 day | 0 days |
Start of September
The month of September starts in Houston with cool temps, averaging around 16°C during the day and nights around 8°C.
Mid September
By mid-September, daytime temps drop to around 15°C, with nights around 7°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days.
End of September
By the end of September, the average daytime temperature in Houston is around 12°C, while nighttime temps are about 5°C. A shower might pop up, but overall, the weather will be dry and sunny.
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UV index
The UV index is a maximum of 4 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.
Check out the climate of Houston for all months and discover the best travel time
Temperature charts
These charts show the average temperatures in September in Houston, Alaska. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in September in Houston
Temperature in September in Houston over the years
Precipitation charts
These charts show the average amount of precipitation in September in Houston, Alaska. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in September in Houston
Total precipitation in September in Houston over the years
Daily Snowfall in September in Houston
Snowfall in September in Houston per year
Daily UV index in September in Houston
This chart shows the average daily UV index in September in Houston, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in September in Houston
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Average weather in Houston by month
Click on a month below to see detailed weather info for Houston. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.