Humboldt Weather in September

September in Humboldt averages 27°C (81°F) during the day and 14°C (57°F) at night. Quite a bit of rainfall is typical this month, with around 137 mm (5.4 in) on average. An umbrella is a good idea.

Rainfall in Humboldt in September

Rain is expected on roughly 8 days, totalling around 137 mm (5.4 in) for the month. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in Humboldt in September

Daytime temperatures in Humboldt reach 27°C (81°F) in September, dropping to 14°C (57°F) at night. Overall, the month follows a fairly predictable daily temperature pattern. At 14°C (57°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

For Humboldt itself, October generally stands 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.

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For a detailed overview over the year and the best time to visit the United States of America, check out our Humboldt's climate page.

Humboldt Temperature in September

Min Temperature 14°C (57°F)  

Max Temperature 27°C (81°F)  

Chance of Rain 27%  

Precipitation 137 mm (5.4 in)  

Rainy days 8 days  

What to Wear in Humboldt 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). High rain levels are expected, so pack waterproof gear and an umbrella or poncho.

What To Do in Humboldt in September

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

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 Humboldt's climate page.

More climate data for Humboldt

Temperature Rainfall

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