September weather forecast
Bethpage, TN

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Weather in September

September brings forth autumn weather in Bethpage, breaking away from the heat of summer months. The dip in temperatures indicate the gradual arrival of the colder season. Rainfall reduces to 2.56" (65mm), further affirming the transition from summer to fall. The days of highly humid, hot weather have now been replaced by the markedly cooler days of September. A comparison with August reveals a falling trend in temperature and rainfall.

Temperature

As September begins, there is a minor decrease in the average high-temperature, softly falling from a warm 85.5°F (29.7°C) in August to a still moderately hot 80.1°F (26.7°C). Throughout the month of September, Bethpage witnesses an average temperature of 61.3°F (16.3°C).

Humidity

In September, the average relative humidity is 77%.

Rainfall

In September, the rain falls for 14.6 days. Throughout September, 2.56" (65mm) of precipitation is accumulated. Throughout the year, there are 176.5 rainfall days, and 41.22" (1047mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall.

Daylight

In Bethpage, the average length of the day in September is 12h and 24min.
On the first day of the month, sunrise is at 6:17 am and sunset at 7:12 pm. On the last day of September, sunrise is at 6:40 am and sunset at 6:29 pm CDT.

Sunshine

The average sunshine in September is 8.3h.

UV index

In Bethpage, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.
Note: In September, a daily maximum UV index of 5 leads to the following instructions:
Prioritize safety - Suggestions to prevent sun damage are offered. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Updated: Aug 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Bethpage in September?

The high-temperature, in September, in Bethpage, is 80.1°F (26.7°C), while the low-temperature averages to 61.3°F (16.3°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in August is computed to be 96.8°F (36°C).

What is the average humidity in September?

In September, the average relative humidity is 77%.

How many days does it rain in September?

In Bethpage, in September, during 14.6 rainfall days, 2.56" (65mm) of precipitation is typically accumulated.

When it does not snow?

May through October are months without snowfall.

What is the average length of the day in September?

The average day length in September is 12h and 24min.

When is the sunrise / sunset in September?

In September, on the first day of the month, sunrise is at 6:17 am and sunset at 7:12 pm. On the last day of the month, sunrise is at 6:40 am and sunset at 6:29 pm CDT.

How many hours of sunshine does Bethpage have in September?

The average sunshine duration in September is 8.3h.

What is the UV index reading in September?

In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate health threat from exposure to the Sun's UV radiation.
Average humidity
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
Bethpage, TN

Average temperature in September - Bethpage, TN
  • Average high temperature in September: 80.1°F

The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is January (42.8°F).

  • Average low temperature in September: 61.3°F

The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (28.9°F).

Average pressure in September
Bethpage, TN

Average pressure in September - Bethpage, TN
  • Average pressure in September: 30.03"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

Average wind speed in September
Bethpage, TN

Average wind speed in September - Bethpage, TN
  • Average wind speed in September: 5.1mph

The windiest month (with the highest average wind speed) is February (8.2mph).
The calmest month (with the lowest average wind speed) is July (4.6mph).

Average humidity in September
Bethpage, TN

Average humidity in September - Bethpage, TN
  • Average humidity in September: 77%

The months with the highest relative humidity are February, March, May, July and December (79%).
The month with the lowest relative humidity is October (75%).

Average rainfall in September
Bethpage, TN

Average rainfall in September - Bethpage, TN
  • Average rainfall in September: 2.56"

The wettest month (with the highest rainfall) is July (5.2").
The driest month (with the least rainfall) is November (2.28").

Average rainfall days in September
Bethpage, TN

Average rainfall days in September - Bethpage, TN
  • Average rainfall days in September: 14.6 days

The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is November (10.3 days).

Average snowfall in September
Bethpage, TN

Average snowfall in September - Bethpage, TN
  • Average snowfall in September: 0"

The month with the highest snowfall is February (1.54").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in September
Bethpage, TN

Average snowfall days in September - Bethpage, TN
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (5.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Bethpage, TN

Average daylight in September / Average sunshine in September - Bethpage, TN
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in September: 8h and 2min

The months with the most sunshine are June and August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).

Average sunshine days in September
Bethpage, TN

Average sunshine days in September - Bethpage, TN
  • Average sunshine days in September: 14.5 days

The month with the most sunshine days is November (18.2 days).
The month with the least sunshine days is July (9.8 days).

Average UV index in September
Bethpage, TN

Average UV index in September - Bethpage, TN
  • Average UV index in September: 5

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

Average cloud cover in September
Bethpage, TN

Average cloud cover in September - Bethpage, TN
  • Average cloud cover in September: 34

The month with the most cloud cover is February (Cloud cover 56).
The month with the least cloud cover is June (Cloud cover 31).

Average visibility in September
Bethpage, TN

Average visibility in September - Bethpage, TN
  • Average visibility in September: 6mi

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

Bethpage, Tennessee, USA

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