Willis Weather in September

Willis in September averages 32°C (90°F) during the day and 20°C (68°F) at night. Keep in mind that quite a bit of rainfall is expected this month.

Rainfall in Willis in September

You can typically expect 10 days of rain this month, averaging around 112 mm (4.4 in). The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Willis in September

September in Willis sees highs of 32°C (90°F) and lows of 20°C (68°F) overnight. Indoor breaks or shaded spots can make the warmer part of the day much more comfortable. With overnight lows of 20°C (68°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.

Sunshine in Willis in September

With approximately 235 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.

For Willis itself, March and April generally stand out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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 the United States of America, check out our Willis's climate page.

Willis Temperature in September

Min Temperature 20°C (68°F)  

Max Temperature 32°C (90°F)  

Chance of Rain 33%  

Precipitation 112 mm (4.4 in)  

Rainy days 10 days  

Humidity 77% *  

Sunshine 235 hours *  

Percentage Sunshine 64% *  

* Data from: Houston, the United States of America (74 KM, 46 Miles).

What to Wear in Willis in September

Warm temperatures in September make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Prepare for significant rainfall with proper waterproof clothing and shoes. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Willis in September

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

Swimming

9/10

Cycling

7/10

Walking

7/10

Camping

6/10

Outdoor sports

7/10

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 the United States of America, check out our Willis's climate page.

More climate data for Willis

Temperature Rainfall Sunshine Humidity

See the full Willis climate overview or explore weather in the United States of America.