Fern Forest Weather in September

Fern Forest in September averages 25°C (77°F) during the day and 19°C (66°F) at night. Keep in mind that quite a bit of rainfall is expected this month.

Rainfall in Fern Forest in September

The climate data from previous years indicates about 18 days of rain, averaging 129 mm (5.1 in) for the month. Rain falls regularly this month and can be quite heavy when it does. Showers can be substantial, so waterproof gear is a good idea.

Temperature in Fern Forest in September

Daytime highs in Fern Forest in September reach 25°C (77°F), with nights around 19°C (66°F). Overall, the month follows a fairly predictable daily temperature pattern. Nights cool down to 19°C (66°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in Fern Forest in September

The city usually sees around 160 hours of sunlight, indicating a moderately sunny period.

For Fern Forest itself, June 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 Fern Forest's climate page.

Fern Forest Temperature in September

Min Temperature 19°C (66°F)  

Max Temperature 25°C (77°F)  

Chance of Rain 58%  

Precipitation 129 mm (5.1 in)  

Rainy days 18 days  

Humidity 78% *  

Sunshine 160 hours *  

Percentage Sunshine 45% *  

* Data from: Hilo, the United States of America (27 KM, 17 Miles).

What to Wear in Fern Forest 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. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Fern Forest in September

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

Swimming

7/10

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 Fern Forest's climate page.

More climate data for Fern Forest

Temperature Rainfall Sunshine Humidity

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