Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
Monroe's September weather shows a modest shift in high-temperatures, falling from August's hot 86.2°F (30.1°C) to a warm 79.5°F (26.4°C). Monroe's nighttime temperature in September falls to an average of 58.6°F (14.8°C).Humidity
In September, the average relative humidity is 75%.Rainfall
July and September are months with the least rain when the rain falls for 12.5 days and typically aggregates up to 1.89" (48mm) of rain.Snowfall
In Monroe, snow does not fall in May through September.Daylight
In Monroe, the average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 6:47 am and sunset at 7:45 pm. On the last day of September, in Monroe, Virginia, sunrise is at 7:11 am and sunset at 7:00 pm EDT.
Sunshine
The average sunshine in September is 8.6h.UV index
In Monroe, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: In September, the average maximum UV index of 5 translates into the following recommendations:
Exercise care. People with light skin might get burns in fewer than 30 minutes. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Monroe in September?
What is the average humidity in September?
What is the driest month?
How much does it rain in September?
When it does not snow?
Does it snow in September?
What is the average length of the day in September in Monroe?
What time are sunrise and sunset in September?
How many hours of sunshine does Monroe have in September?
What is the UV index reading in September?
Average temperature in September
Monroe, VA
- Average high temperature in September: 79.5°F
The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is January (42.6°F).
- Average low temperature in September: 58.6°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (27.7°F).
Average pressure in September
Monroe, 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).
Average wind speed in September
Monroe, VA
- Average wind speed in September: 4.6mph
The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity in September
Monroe, VA
- Average humidity in September: 75%
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (70%).
Average rainfall in September
Monroe, VA
- Average rainfall in September: 1.89"
The wettest months (with the highest rainfall) are April and May (3.07").
The driest months (with the least rainfall) are July and September (1.89").
Average rainfall days in September
Monroe, VA
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is November (8.6 days).
Average snowfall in September
Monroe, VA
- Average snowfall in September: 0"
The month with the highest snowfall is February (3.15").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Monroe, VA
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (4.3 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
Monroe, 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 42min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in September
Monroe, VA
- Average sunshine days in September: 15.9 days
The month with the most sunshine days is November (20.1 days).
The month with the least sunshine days is May (11 days).
Average UV index in September
Monroe, VA
- 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
Monroe, VA
- Average cloud cover in September: 38
The month with the most cloud cover is March (Cloud cover 44).
The months with the least cloud cover are June and July (Cloud cover 30).
Average visibility in September
Monroe, VA
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
Monroe, Virginia, USA
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