Fern Forest
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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.

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).

Fern Forest Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Fern Forest - and find the best time to visit.

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

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

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

Fern Forest 3-Day Forecast

Popular in September

Where to go in September - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.