Houston Weather in September

Houston in September sees moderate temperatures, with highs around 15°C (59°F) and overnight lows of 4°C (39°F). Rainfall is fairly high at around 74 mm (2.9 in) on average, so pack waterproofs just in case.

Rainfall in Houston in September

This month experiences about 13 days of rain according to historical data, averaging 74 mm (2.9 in). The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.

Temperature in Houston in September

September in Houston brings moderate temperatures, with highs of 15°C (59°F) and nights around 4°C (39°F). A light jacket or extra layer can be useful, especially outside the warmest hours of the day. At 4°C (39°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.

If your ideal day consists of dry skies and pleasant temperatures, July typically offers the best circumstances for Houston.

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For a detailed overview over the year and the best time to visit Canada, check out our Houston's climate page.

Houston Temperature in September

Min Temperature 4°C (39°F)  

Max Temperature 15°C (59°F)  

Chance of Rain 43%  

Precipitation 74 mm (2.9 in)  

Rainy days 13 days  

What to Wear in Houston in September

Pack for changing conditions in Houston in September. Bring a mix of short and long sleeves, a warm layer like a hoodie or light jacket, and comfortable pants. The key is being able to add or remove layers as the days goes by. Rain gear is recommended, you can expect wet weather on multiple days.

What To Do in Houston in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Cycling

6/10

Walking

6/10

Barbeque

5/10

Camping

4/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Canada, check out our Houston's climate page.

More climate data for Houston

Temperature Rainfall

See the full Houston climate overview or explore weather in Canada.