September weather forecast
Monterey, VA

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Weather in September

The first month of the autumn, September, is still a pleasant month in Monterey, Virginia, with an average temperature fluctuating between 49.6°F (9.8°C) and 69.4°F (20.8°C).

Temperature

The start of September marks an average high-temperature of a pleasant 69.4°F (20.8°C), hardly distinguishable from the conditions in August. Monterey witnesses an average low-temperature of 49.6°F (9.8°C) throughout the month of September.

Humidity

The average relative humidity in September in Monterey is 83%.

Rainfall

In Monterey, in September, during 14.6 rainfall days, 1.5" (38mm) of precipitation is typically accumulated. In Monterey, during the entire year, the rain falls for 153.4 days and collects up to 23.23" (590mm) of precipitation.

Snowfall

In Monterey, snow does not fall in June through September.

Daylight

In Monterey, Virginia, the average length of the day in September is 12h and 25min.
On the first day of the month, sunrise is at 6:48 am and sunset at 7:47 pm. On the last day of September, in Monterey, sunrise is at 7:13 am and sunset at 7:02 pm EDT.

Sunshine

The average sunshine in September is 7.5h.

UV index

In Monterey, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum daily UV index of 3 during September translates into the following directions:
Guard yourself - Avoiding sunburn is suggested. The Sun's radiation is especially intense around midday; try to stay in shade during this period. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
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Frequently asked questions

What are the temperatures in Monterey in September?

In September, in Monterey, the average high-temperature is 69.4°F (20.8°C), and the average low-temperature is 49.6°F (9.8°C).

What is the average humidity in September in Monterey?

In Monterey, Virginia, the average relative humidity in September is 83%.

How many days does it rain in September in Monterey?

In Monterey, Virginia, in September, during 14.6 rainfall days, 1.5" (38mm) of precipitation is typically accumulated.

When it does not snow in Monterey?

In Monterey, Virginia, snow does not fall in June through September.

Does it snow in Monterey in September?

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

How many hours of daylight does Monterey have in September?

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

When is the sunrise / sunset in September in Monterey?

On the first day of September in Monterey, sunrise is at 6:48 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 7:02 pm EDT.

How many hours of sunshine does Monterey have in September?

The average sunshine duration in September in Monterey is 7.5h.

What is the UV index reading in September in Monterey?

In Monterey, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate vulnerability 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
Monterey, VA

Average temperature in September - Monterey, VA
  • Average high temperature in September: 69.4°F

The warmest month (with the highest average high temperature) is July (75.9°F).
The month with the lowest average high temperature is January (31.6°F).

  • Average low temperature in September: 49.6°F

The month with the highest average low temperature is July (55.8°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).

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Average pressure in September
Monterey, VA

Average pressure in September - Monterey, VA
  • Average pressure in September: 30.06"Hg

The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).

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Average wind speed in September
Monterey, VA

Average wind speed in September - Monterey, VA
  • Average wind speed in September: 4.6mph

The windiest month (with the highest average wind speed) is February (8.6mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

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Average humidity in September
Monterey, VA

Average humidity in September - Monterey, VA
  • Average humidity in September: 83%

The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is June (80%).

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Average rainfall in September
Monterey, VA

Average rainfall in September - Monterey, VA
  • Average rainfall in September: 1.5"

The wettest month (with the highest rainfall) is May (2.72").
The driest month (with the least rainfall) is November (1.3").

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Average rainfall days in September
Monterey, VA

Average rainfall days in September - Monterey, VA
  • Average rainfall days in September: 14.6 days

The month with the highest number of rainy days is May (20.1 days).
The month with the least rainy days is February (6.7 days).

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Average snowfall in September
Monterey, VA

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

The month with the highest snowfall is January (7.64").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Monterey, VA

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

The month with the highest number of snowfall days is January (18.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Monterey, VA
  • 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: 7h and 3min

The month with the most sunshine is June (Average sunshine: 9h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).

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Average sunshine days in September
Monterey, VA

Average sunshine days in September - Monterey, VA
  • Average sunshine days in September: 11.7 days

The month with the most sunshine days is October (14.6 days).
The month with the least sunshine days is May (7.7 days).

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Average UV index in September
Monterey, VA

Average UV index in September - Monterey, VA
  • Average UV index in September: 3

The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in September
Monterey, VA

Average cloud cover in September - Monterey, VA
  • Average cloud cover in September: 51

The month with the most cloud cover is January (Cloud cover 68).
The months with the least cloud cover are June, July and August (Cloud cover 47).

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Average visibility in September
Monterey, VA

Average visibility in September - Monterey, VA
  • Average visibility in September: 4mi

The months with the highest visibility are April and November (5mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (4mi).

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Monterey, Virginia, USA

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