September weather forecast
Lake Hiawatha, NJ

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Weather in September

September, the first month of the autumn in Lake Hiawatha, is still a warm month, with an average temperature fluctuating between 56.3°F and 74.3°F.

Temperature

As September arrives, Lake Hiawatha's weather displays a minor decrease in high-temperatures, transitioning from August's 81.3°F to a still warm 74.3°F. An average temperature of 56.3°F marks the nights in September.

Humidity

The average relative humidity in September is 78%.

Rainfall

September is the month with the least rainfall. Rain falls for 12.5 days and accumulates 1.77" of precipitation.

Snowfall

June through September are months without snowfall in Lake Hiawatha.

Daylight

In Lake Hiawatha, the average length of the day in September is 12h and 27min.
On the first day of September, sunrise is at 6:24 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 6:53 am and sunset at 6:41 pm EDT.

Sunshine

The average sunshine in September is 8.4h.

UV index

In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In September, the maximum UV index of 4 suggests this advice:
Exercise care. People with light skin might get burns in fewer than 30 minutes. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
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FAQ

What are the temperatures in Lake Hiawatha in September?

The high-temperature, in September, in Lake Hiawatha, is 74.3°F, while the low-temperature averages to 56.3°F. The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in August is calculated to be 86°F.

What is the average humidity in September in Lake Hiawatha?

The average relative humidity in September in Lake Hiawatha is 78%.

What is the driest month in Lake Hiawatha?

The month with the least rainfall in Lake Hiawatha, New Jersey, is September, when the rain falls for 12.5 days and typically collects 1.77" of precipitation.

How much does it rain in Lake Hiawatha in September?

In September, in Lake Hiawatha, New Jersey, the rain falls for 12.5 days. Throughout September, 1.77" of precipitation is accumulated.

When it does not snow in Lake Hiawatha?

In Lake Hiawatha, snow does not fall in June through September.

Does it snow in Lake Hiawatha in September?

In Lake Hiawatha, in September, it doesn't snow. In October, it regularly snows.

What is the average length of the day in September in Lake Hiawatha?

In Lake Hiawatha, the average day length in September is 12h and 27min.

What time are sunrise and sunset in September in Lake Hiawatha?

In September, on the first day of the month, sunrise is at 6:24 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 6:53 am and sunset at 6:41 pm EDT.

How long on average sun shines in September in Lake Hiawatha?

In Lake Hiawatha, the average sunshine duration in September is 8.4h.

How high is the UV index in September in Lake Hiawatha?

In Lake Hiawatha, New Jersey, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health risk from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Lake Hiawatha, NJ

Average temperature in September - Lake Hiawatha, NJ
  • Average high temperature in September: 74.3°F

The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (34.5°F).

  • Average low temperature in September: 56.3°F

The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

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Average pressure in September
Lake Hiawatha, NJ

Average pressure in September - Lake Hiawatha, NJ
  • Average pressure in September: 30.06"Hg

The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in September
Lake Hiawatha, NJ

Average wind speed in September - Lake Hiawatha, NJ
  • Average wind speed in September: 5.7mph

The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

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Average humidity in September
Lake Hiawatha, NJ

Average humidity in September - Lake Hiawatha, NJ
  • Average humidity in September: 78%

The months with the highest relative humidity are February, October and December (80%).
The month with the lowest relative humidity is April (74%).

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Average rainfall in September
Lake Hiawatha, NJ

Average rainfall in September - Lake Hiawatha, NJ
  • Average rainfall in September: 1.77"

The wettest month (with the highest rainfall) is December (3.43").
The driest month (with the least rainfall) is September (1.77").

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Average rainfall days in September
Lake Hiawatha, NJ

Average rainfall days in September - Lake Hiawatha, NJ
  • Average rainfall days in September: 12.5 days

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (8.2 days).

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Average snowfall in September
Lake Hiawatha, NJ

Average snowfall in September - Lake Hiawatha, NJ
  • Average snowfall in September: 0"

The month with the highest snowfall is March (4.69").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Lake Hiawatha, NJ

Average snowfall days in September - Lake Hiawatha, NJ
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (8.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in September /
Average sunshine in September
Lake Hiawatha, NJ

Average daylight in September / Average sunshine in September - Lake Hiawatha, NJ
  • Average daylight in September: 12h and 3min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in September: 8h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).

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Average sunshine days in September
Lake Hiawatha, NJ

Average sunshine days in September - Lake Hiawatha, NJ
  • Average sunshine days in September: 15.6 days

The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is April (11.2 days).

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Average UV index in September
Lake Hiawatha, NJ

Average UV index in September - Lake Hiawatha, NJ
  • Average UV index in September: 4

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

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Average cloud cover in September
Lake Hiawatha, NJ

Average cloud cover in September - Lake Hiawatha, NJ
  • Average cloud cover in September: 41

The months with the most cloud cover are February, March and December (Cloud cover 50).
The months with the least cloud cover are July and August (Cloud cover 35).

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Average visibility in September
Lake Hiawatha, NJ

Average visibility in September - Lake Hiawatha, NJ
  • Average visibility in September: 5mi

The months with the highest visibility are January, April, July, August, October, November and December (6mi).
The months with the lowest visibility are February, March, May, June and September (5mi).

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Lake Hiawatha, New Jersey, USA

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