September weather forecast
Andrew, WV

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Weather in September

September, the first month of the autumn in Andrew, is still a warm month, with an average temperature fluctuating between 77.9°F (25.5°C) and 56.5°F (13.6°C).

Temperature

September's onset introduces a mild reduction in the average high-temperature, from a moderately hot 84°F (28.9°C) in August to a still warm 77.9°F (25.5°C). Nighttime temperature experiences an average drop to a moderate 56.5°F (13.6°C) in September.

Humidity

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

Rainfall

September is the month with the least rainfall. Rain falls for 12.8 days and accumulates 1.77" (45mm) of precipitation.

Snowfall

In Andrew, snow does not fall in May through September.

Daylight

In September, the average length of the day is 12h and 25min.
On the first day of the month, sunrise is at 6:57 am and sunset at 7:56 pm. On the last day of September, sunrise is at 7:22 am and sunset at 7:10 pm EDT.

Sunshine

In September, the average sunshine is 8.1h.

UV index

In Andrew, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The daily high UV index of 4 in September translates into this advice:
Prioritize safety - Suggestions to prevent sun damage are offered. Minimize direct exposure to the Sun during midday when its radiation is at its peak. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Updated: Jul 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in September?

The high-temperature, in September, in Andrew, is 77.9°F (25.5°C), while the low-temperature averages to 56.5°F (13.6°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines relative humidity and air temperature, in August is appraised at 93.2°F (34°C).

What is the average humidity in September in Andrew?

The average relative humidity in September is 78%.

What is the driest month?

September is the month with the least rainfall. Rain falls for 12.8 days and accumulates 1.77" (45mm) of precipitation.

How much does it rain in September?

In Andrew, in September, it is raining for 12.8 days, with typically 1.77" (45mm) of accumulated precipitation.

When it does not snow?

In Andrew, snow does not fall in May through September.

Does it snow in September?

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

How many hours of daylight does Andrew have in September?

In Andrew, the average day length in September is 12h and 25min.

When are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:57 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 7:10 pm EDT.

How many hours of sunshine does Andrew have in September?

In September, the average sunshine duration is 8.1h.

What is the UV index intensity in September?

The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health threat from unprotected exposure to 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
Andrew, WV

Average temperature in September - Andrew, WV
  • Average high temperature in September: 77.9°F

The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (39°F).

  • Average low temperature in September: 56.5°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (25.9°F).

Average pressure in September
Andrew, WV

Average pressure in September - Andrew, WV
  • Average pressure in September: 30.06"Hg

The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

Average wind speed in September
Andrew, WV

Average wind speed in September - Andrew, WV
  • Average wind speed in September: 4.3mph

The windiest months (with the highest average wind speed) are January and February (6.6mph).
The calmest month (with the lowest average wind speed) is August (4mph).

Average humidity in September
Andrew, WV

Average humidity in September - Andrew, WV
  • Average humidity in September: 78%

The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are June, July, August and November (76%).

Average rainfall in September
Andrew, WV

Average rainfall in September - Andrew, WV
  • Average rainfall in September: 1.77"

The wettest month (with the highest rainfall) is May (3.74").
The driest month (with the least rainfall) is September (1.77").

Average rainfall days in September
Andrew, WV

Average rainfall days in September - Andrew, WV
  • Average rainfall days in September: 12.8 days

The month with the highest number of rainy days is May (20.6 days).
The month with the least rainy days is November (10.9 days).

Average snowfall in September
Andrew, WV

Average snowfall in September - Andrew, WV
  • Average snowfall in September: 0"

The months with the highest snowfall are January and February (5.12").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September
Andrew, WV

Average snowfall days in September - Andrew, WV
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Andrew, WV

Average daylight in September / Average sunshine in September - Andrew, WV
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in September: 8h and 1min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

Average sunshine days in September
Andrew, WV

Average sunshine days in September - Andrew, WV
  • Average sunshine days in September: 14.9 days

The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is February (8.7 days).

Average UV index in September
Andrew, WV

Average UV index in September - Andrew, WV
  • 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, November and December (UV index 2).

Average cloud cover in September
Andrew, WV

Average cloud cover in September - Andrew, WV
  • Average cloud cover in September: 38

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in September
Andrew, WV

Average visibility in September - Andrew, WV
  • Average visibility in September: 5mi

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

Andrew, West Virginia, USA

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