Warm
Average highs sit around 30°C, giving warm days by monthly-average standards.
September verdict
Very good for holiday weather
Average highs sit around 30°C, giving warm days by monthly-average standards. Sunshine averages 7.2h per day, enough for a balanced month. Rainfall averages 67mm, which is relatively low for holiday planning.
Monthly averages
Temp
30°C
Rain
67mm
Sun
7.2h
Weather score
78
Very good
Warm
Average highs sit around 30°C, giving warm days by monthly-average standards.
Drier
Rainfall averages 67mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 7.2h per day, enough for a balanced month.
Map
Compare Big Bend National Park, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
September30°C average high
September sits in the warmer part of the year, so midday sightseeing can feel heavier than in cooler months.
Warmest monthsMay to September
This stretch sets the upper range for average daytime heat.
September67mm average rain
September is one of Big Bend National Park's wettest months, so rain is likely to be a major planning factor.
Driest monthsJanuary to May and October to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
September7.2 hours average sun
September sits close to Big Bend National Park's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsMay to July
This stretch has the strongest sunshine in the monthly averages.
September78 weather score
September scores above Big Bend National Park's yearly average, so the overall weather mix is stronger than most months.
Best weather monthsMay to September
These months have the strongest weather score in the monthly averages.