September weather forecastBonaparte Landing, NJ

September

Weather in September

The first month of the autumn, September, is also a moderately hot month in Bonaparte Landing, New Jersey, with an average temperature fluctuating between 54.9°F (12.7°C) and 73.8°F (23.2°C).

Temperature

The transition into September is accompanied by a slight temperature decrease, with the average high-temperature shifting from a warm 80.4°F (26.9°C) in August to a still moderately hot 73.8°F (23.2°C). Bonaparte Landing's temperature in September lowers to a consistent average of 54.9°F (12.7°C) during the nights.

Humidity

In Bonaparte Landing, the average relative humidity in September is 79%.

Rainfall

The month with the least rainfall is September, when the rain falls for 12.5 days and typically collects 2.05" (52mm) of precipitation.

Snowfall

In Bonaparte Landing, snow does not fall in June through September.

Daylight

The average length of the day in September is 12h and 28min.
On the first day of September, sunrise is at 6:26 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 6:41 pm EDT.

Sunshine

In Bonaparte Landing, the average sunshine in September is 8.3h.

UV index

The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: The UV index of 4 during September translates into the following guidance:
Ensure safety - Sun damage prevention is strongly urged. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.

Frequently asked questions

During September, Bonaparte Landing experiences an average high-temperature of 73.8°F (23.2°C) and a low-temperature of 54.9°F (12.7°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in July is appraised at 89.6°F (32°C).

The average relative humidity in September is 79%.

September is the month with the least rainfall. Rain falls for 12.5 days and accumulates 2.05" (52mm) of precipitation.

In September, the rain falls for 12.5 days. Throughout September, 2.05" (52mm) of precipitation is accumulated.

June through September are months without snowfall.

In Bonaparte Landing, in September, it doesn't snow. In October, it regularly snows.

The average day length in September in Bonaparte Landing is 12h and 28min.

On the first day of September, sunrise is at 6:26 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 6:41 pm EDT.

In Bonaparte Landing, the average sunshine duration in September is 8.3h.

In Bonaparte Landing, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium hazard to health 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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Bonaparte Landing, NJ

  • Average high temperature in September: 73.8°F

The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (33.3°F).

  • Average low temperature in September: 54.9°F

The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).

Average pressure in September
Bonaparte Landing, 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).

Average wind speed in September
Bonaparte Landing, NJ

  • Average wind speed in September: 5.5mph

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).

Average humidity in September
Bonaparte Landing, NJ

  • Average humidity in September: 79%

The months with the highest relative humidity are February, October and December (81%).
The month with the lowest relative humidity is April (76%).

Average rainfall in September
Bonaparte Landing, NJ

  • Average rainfall in September: 2.05"

The wettest month (with the highest rainfall) is July (3.66").
The driest month (with the least rainfall) is September (2.05").

Average rainfall days in September
Bonaparte Landing, NJ

  • Average rainfall days in September: 12.5 days

The months with the highest number of rainy days are May and July (17.4 days).
The month with the least rainy days is January (7.5 days).

Average snowfall in September
Bonaparte Landing, NJ

  • Average snowfall in September: 0"

The month with the highest snowfall is February (5.71").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Bonaparte Landing, NJ

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Bonaparte Landing, NJ

  • Average daylight in September: 12h and 30min

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 18min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).

Average sunshine days in September
Bonaparte Landing, NJ

  • Average sunshine days in September: 15.6 days

The month with the most sunshine days is November (16.4 days).
The month with the least sunshine days is June (10.6 days).

Average UV index in September
Bonaparte Landing, NJ

  • Average UV index in September: 4

The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in September
Bonaparte Landing, NJ

  • Average cloud cover in September: 43

The months with the most cloud cover are February, March and December (Cloud cover 52).
The months with the least cloud cover are July and August (Cloud cover 37).

Average visibility in September
Bonaparte Landing, NJ

  • Average visibility in September: 5mi

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