Warm
Average highs sit around 31°C, giving warm days by monthly-average standards.
September verdict
Good for holiday weather
Average highs sit around 31°C, giving warm days by monthly-average standards. Sunshine averages 7.8h per day, enough for a balanced month. Rainfall averages 124mm, so some wet days are possible.
Monthly averages
Temp
31°C
Rain
124mm
Sun
7.8h
Weather score
69
Good
Warm
Average highs sit around 31°C, giving warm days by monthly-average standards.
Showers
Rainfall averages 124mm, so some wet days are possible.
Some sun
Sunshine averages 7.8h per day, enough for a balanced month.
Map
Compare Katy, Texas, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
September31°C average high
September sits in the warmer part of the year, so midday sightseeing can feel heavier than in cooler months.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
September124mm average rain
September is one of Katy's wettest months, so rain is likely to be a major planning factor.
Driest monthsJanuary to April, July, and November to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
September7.8 hours average sun
September sits close to Katy's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsJune to August
This stretch has the strongest sunshine in the monthly averages.
September69 weather score
September scores above Katy's yearly average, so the overall weather mix is stronger than most months.
Best weather monthsApril to October
These months have the strongest weather score in the monthly averages.