September weather forecast
Lake Hiawatha, NJ

Weather in September

September, the first month of the autumn, in Lake Hiawatha, is also a moderately hot month, with temperature in the range of an average high of 74.3°F (23.5°C) and an average low of 56.3°F (13.5°C).

Temperature

In September, the average high-temperature slightly decreases, from 81.3°F (27.4°C) in August, to a still moderately hot 74.3°F (23.5°C). In September, the average low-temperature is 56.3°F (13.5°C).

Humidity

In September, the average relative humidity in Lake Hiawatha is 78%.

Rainfall

September is the month with the least rainfall in Lake Hiawatha, New Jersey. Rain falls for 12.5 days and accumulates 1.77" (45mm) of precipitation.

Snowfall

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

Daylight

The average length of the day is 12.4h.

Sunshine

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

UV index

The average daily maximum UV index in Lake Hiawatha is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from the exposure to the Sun's UV radiation for the ordinary person.
Note: The daily maximum UV index of 4 interpret into the following advice:
Take precautions - Protection against sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the average humidity in September in Lake Hiawatha?

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

What is the driest month in Lake Hiawatha?

The month with the least rainfall is September when the rain falls for 12.5 days and typically collects 1.77" (45mm) of precipitation.

How much does it rain in Lake Hiawatha in September?

In September, the rain falls for 12.5 days. Throughout September, 1.77" (45mm) of precipitation is accumulated.

When it does not snow in Lake Hiawatha?

In Lake Hiawatha, New Jersey, 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 September, the average length of the day in Lake Hiawatha, New Jersey, is 12.4h.

How many hours of sunshine does Lake Hiawatha have in September?

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

What is the UV index reading in September in Lake Hiawatha?

The average daily maximum UV index in September in Lake Hiawatha, New Jersey, is 4. A UV Index estimate of 3 to 5 represents a moderate health threat from unprotected exposure to the UV radiation.

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"

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

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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%

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").
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).
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: 12.4h

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.3h).

  • Average sunshine in September: 8.4h

The month with the most sunshine is July (Average sunshine: 10.2h).
The month with the least sunshine is February (Average sunshine: 4.4h).

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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

Months with the highest UV index are June, July and August (UV index 6).
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

Months with the most cloud cover are February, March and December (Cloud cover 50).
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

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

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