September weather forecast
Grimms Landing, WV

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Weather in September

September, the first month of the autumn in Grimms Landing, is also a moderately hot month, with temperature in the range of an average low of 57.7°F (14.3°C) and an average high of 79°F (26.1°C).

Temperature

The arrival of September correlates with a minor temperature reduction, down from August's 85.5°F (29.7°C) to a still moderately hot 79°F (26.1°C). Throughout September nights, Grimms Landing experiences a consistent temperature average of 57.7°F (14.3°C).

Humidity

In September, the average relative humidity is 76%.

Rainfall

September is the month with the least rainfall. Rain falls for 12.4 days and accumulates 1.77" (45mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

The average length of the day in September is 12h and 26min.
On the first day of the month, sunrise is at 6:57 am and sunset at 7:57 pm. On the last day of September, sunrise is at 7:23 am and sunset at 7:11 pm EDT.

Sunshine

In Grimms Landing, the average sunshine in September is 8.2h.

UV index

In Grimms Landing, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 4 in September interprets into the following advice:
Make use of precautions - Suggestions to resist sunburn are communicated. To protect against the Sun's most potent rays, avoid direct exposure around midday. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.

Frequently asked questions

What is the average September temperature?

During September, Grimms Landing experiences an average high-temperature of 79°F (26.1°C) and a low-temperature of 57.7°F (14.3°C). In August, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, is evaluated at 95°F (35°C).

What is the average humidity in September?

The average relative humidity in September is 76%.

What is the driest month?

September is the month with the least rainfall. Rain falls for 12.4 days and accumulates 1.77" (45mm) of precipitation.

How much does it rain in Grimms Landing in September?

In Grimms Landing, in September, during 12.4 rainfall days, 1.77" (45mm) of precipitation is typically accumulated.

When it does not snow?

In Grimms Landing, snow does not fall in May through September.

Does it snow in September?

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

How many hours of daylight does Grimms Landing have in September?

The average day length in September in Grimms Landing is 12h and 26min.

When is the sunrise / sunset in September?

In September, on the first day of the month, sunrise is at 6:57 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 7:11 pm EDT.

How many hours of sunshine does Grimms Landing have in September?

In Grimms Landing, the average sunshine duration in September is 8.2h.

What is the UV index intensity in September?

In Grimms 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 unsafe exposure to Sun's UV rays.
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
Grimms Landing, WV

Average temperature in September - Grimms Landing, WV
  • Average high temperature in September: 79°F

The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (38.7°F).

  • Average low temperature in September: 57.7°F

The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).

Average pressure in September
Grimms Landing, WV

Average pressure in September - Grimms Landing, WV
  • Average pressure in September: 30.05"Hg

The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).

Average wind speed in September
Grimms Landing, WV

Average wind speed in September - Grimms Landing, WV
  • Average wind speed in September: 4.5mph

The windiest months (with the highest average wind speed) are January and February (6.7mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

Average humidity in September
Grimms Landing, WV

Average humidity in September - Grimms Landing, WV
  • Average humidity in September: 76%

The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is August (74%).

Average rainfall in September
Grimms Landing, WV

Average rainfall in September - Grimms Landing, WV
  • Average rainfall in September: 1.77"

The wettest month (with the highest rainfall) is May (3.9").
The driest month (with the least rainfall) is September (1.77").

Average rainfall days in September
Grimms Landing, WV

Average rainfall days in September - Grimms Landing, WV
  • Average rainfall days in September: 12.4 days

The month with the highest number of rainy days is May (19.8 days).
The month with the least rainy days is November (10.1 days).

Average snowfall in September
Grimms Landing, WV

Average snowfall in September - Grimms Landing, WV
  • Average snowfall in September: 0"

The month with the highest snowfall is January (4.29").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September
Grimms Landing, WV

Average snowfall days in September - Grimms Landing, WV
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Grimms Landing, WV

Average daylight in September / Average sunshine in September - Grimms Landing, 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 30min).

  • Average sunshine in September: 8h and 1min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

Average sunshine days in September
Grimms Landing, WV

Average sunshine days in September - Grimms Landing, WV
  • Average sunshine days in September: 15.1 days

The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is May (8.6 days).

Average UV index in September
Grimms Landing, WV

Average UV index in September - Grimms Landing, WV
  • Average UV index in September: 4

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
Grimms Landing, WV

Average cloud cover in September - Grimms Landing, WV
  • Average cloud cover in September: 37

The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in September
Grimms Landing, WV

Average visibility in September - Grimms Landing, 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).

Grimms Landing, West Virginia, USA

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