Caldwell Weather in September
September in Caldwell brings very high temperatures, with daytime highs of 32°C (90°F) and nights around 20°C (68°F). Quite a bit of rainfall is expected, around 75 mm (3 in), so pack an umbrella.
Rainfall in Caldwell in September
Typically, about 7 days will experience rainfall, with an average of 75 mm (3 in) for the month. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.
Temperature in Caldwell in September
Caldwell in September gets highs of 32°C (90°F) during the day and drops to 20°C (68°F) at night. The hottest part of the day is usually in the afternoon, so lighter clothing can help you stay 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.For Caldwell itself, April and November 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.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Caldwell's climate page.
Caldwell Temperature in September
Min Temperature
20°C (68°F)
Max Temperature
32°C (90°F)
Chance of Rain
23%
Precipitation
75 mm (3 in)
Rainy days
7 days
Best Places in the United States of America in September
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in September →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Caldwell in September
Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Rain is likely on several days, so bring a good rain jacket.What To Do in Caldwell in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Caldwell's climate page.
See the full Caldwell climate overview or explore weather in the United States of America.
