September weather forecast
Crozier, VA

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Weather in September

The first month of the autumn, September, is still a warm month in Crozier, Virginia, with an average temperature fluctuating between 62.6°F (17°C) and 81.3°F (27.4°C).

Temperature

The beginning of September subtly marks a decrease in the average high-temperature, transitioning from a tropical 88.3°F (31.3°C) in August to a warm 81.3°F (27.4°C). During September, the temperature tends to dip to an average of 62.6°F (17°C) at night.

Heat index

For September, the heat index is computed to be a hot 86°F (30°C). Staying active during long-term exposure might result in a state of exhaustion and cause heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. A rise in the heat index by 15 Fahrenheit (8 Celsius) degrees may result from direct sunlight exposure.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is an aggregate value of air's warmth and moisture to show the human-felt temperature. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Young children typically face greater hazards than adults because they do not sweat as much. Their larger skin surface in comparison to their little bodies and the high heat production from their active nature compounds their vulnerability.

Humidity

The average relative humidity in September is 73%.

Rainfall

September is the month with the least rainfall. Rain falls for 12.5 days and accumulates 1.65" (42mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

The average length of the day in September is 12h and 25min.
On the first day of the month, sunrise is at 6:42 am and sunset at 7:39 pm. On the last day of September, sunrise is at 7:06 am and sunset at 6:55 pm EDT.

Sunshine

In September, the average sunshine is 8.7h.

UV index

In Crozier, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: A typical high UV index of 5 in September suggests the following recommendations:
Be vigilant - A duty to shield skin and eyes from injury exists. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.

Frequently asked questions

What are the temperatures in September?

An average high-temperature, in September, in Crozier, is 81.3°F (27.4°C) and the average low-temperature is 62.6°F (17°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which factors the actual air temperature with the relative humidity, in September is computed to be 86°F (30°C).

What is the average humidity in September?

In September, the average relative humidity is 73%.

What is the driest month?

The month with the least rainfall in Crozier is September, when the rain falls for 12.5 days and typically collects 1.65" (42mm) of precipitation.

How many days does it rain in September?

In Crozier, in September, during 12.5 rainfall days, 1.65" (42mm) of precipitation is typically accumulated.

When it does not snow?

May through October are months without snowfall.

How many hours of daylight does Crozier have in September?

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

When are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:42 am and sunset at 7:39 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 6:55 pm EDT.

How long on average sun shines in September?

The average sunshine duration in September is 8.7h.

How high is the UV index in September in Crozier?

The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium health risk 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
Crozier, VA

Average temperature in September - Crozier, VA
  • Average high temperature in September: 81.3°F

The warmest month (with the highest average high temperature) is July (90.7°F).
The month with the lowest average high temperature is January (44.2°F).

  • Average low temperature in September: 62.6°F

The month with the highest average low temperature is July (69.6°F).
The coldest month (with the lowest average low temperature) is January (29.5°F).

Average pressure in September
Crozier, VA

Average pressure in September - Crozier, VA
  • Average pressure in September: 30.04"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in September
Crozier, VA

Average wind speed in September - Crozier, VA
  • Average wind speed in September: 5.7mph

The windiest month (with the highest average wind speed) is April (7.4mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

Average humidity in September
Crozier, VA

Average humidity in September - Crozier, VA
  • Average humidity in September: 73%

The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is July (68%).

Average rainfall in September
Crozier, VA

Average rainfall in September - Crozier, VA
  • Average rainfall in September: 1.65"

The wettest month (with the highest rainfall) is August (2.72").
The driest month (with the least rainfall) is September (1.65").

Average rainfall days in September
Crozier, VA

Average rainfall days in September - Crozier, VA
  • Average rainfall days in September: 12.5 days

The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is November (8.8 days).

Average snowfall in September
Crozier, VA

Average snowfall in September - Crozier, VA
  • Average snowfall in September: 0"

The month with the highest snowfall is February (1.77").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in September
Crozier, VA

Average snowfall days in September - Crozier, VA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (3.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in September /
Average sunshine in September
Crozier, VA

Average daylight in September / Average sunshine in September - Crozier, VA
  • Average daylight in September: 12h and 2min

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

  • Average sunshine in September: 8h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).

Average sunshine days in September
Crozier, VA

Average sunshine days in September - Crozier, VA
  • Average sunshine days in September: 15.8 days

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is May (11.9 days).

Average UV index in September
Crozier, VA

Average UV index in September - Crozier, VA
  • Average UV index in September: 5

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).

Average cloud cover in September
Crozier, VA

Average cloud cover in September - Crozier, VA
  • Average cloud cover in September: 39

The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 31).

Average visibility in September
Crozier, VA

Average visibility in September - Crozier, VA
  • Average visibility in September: 6mi

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

Crozier, Virginia, USA

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