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Get the monthly weather forecast for Houston, TX, including daily high/low, historical averages, to help you plan ahead.
September Weather in Houston. Texas, United States. Daily high temperatures decrease by 6°F, from 92°F to 86°F, rarely falling below 79°F or exceeding 98°F. Daily low temperatures decrease by 7°F, from 76°F to 69°F, rarely falling below 60°F or exceeding 79°F. For reference, on August 5, the hottest day of the year, temperatures in ...
Houston, monthly averages in September. Min Temperature 23°C. Max Temperature 32°C. Chance of Rain 42%. Precipitation 157 mm. Rainy days 13 days. Humidity 77%. Windspeed 12 km/h. Sunshine 235 hours.
Jul 31, 2024 · September weather forecast for Houston, Texas: The average heat index, which combines air temperature and relative humidity, in September is evaluated at 104°F (40°C). September brings respite to Houston in the form of a decrease in temperatures and relative humidity, enhancing the appeal of outdoor activities.
- In Houston, in September, the average high-temperature is 88.3°F , and the average low-temperature is 72.7°F . The average heat index (a.k.a. 'real...
- In September, the average relative humidity in Houston, Texas, is 74% .
- September is the month with the most rainfall in Houston. Rain falls for 19.5 days and accumulates 4.49" of precipitation .
- In Houston, Texas, during September, the rain falls for 19.5 days and regularly aggregates up to 4.49" of precipitation .
- February through November are months without snowfall in Houston.
- In Houston, the average day length in September is 12h and 20min .
- In September, on the first day of the month, sunrise is at 6:58 am and sunset at 7:44 pm . On the last day of the month, sunrise is at 7:14 am and...
- In Houston, Texas, the average sunshine duration in September is 8.6h .
- In September, the average daily maximum UV index in Houston is 6 . A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure...
Jun 14, 2024 · In September, Houston has warm temperatures with an average high of 34.4°C (93.9°F) and an average low of 25.5°C (77.9°F). The city sees some precipitation, with an average of 1.25 inches and a 30% chance of rain. The humidity is around 64.9%. During September, Houston experiences warm and muggy conditions as summer lingers into early fall. Daytime highs frequently reach into the 90s °F ...
Sep 4, 2000 · Typical Houston September Weather. 1991–2020. Average daily high. 89.3 °F. Average daily low. 72.6 °F. Average monthly precipitation. 5.8 inches. Daily chance of precipitation.
September average low. 23 °C. 16 days. 90 °F max. or more (32 °C) 7 days. 70 °F min. or less (21 °C) Nearly every September day warms to over 80 degrees Fahrenheit (27 degrees Celsius) in Houston. The city can reach 100 °F (38 °C) now, although days that hot don't happen this late every summer.
