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
With the onset of September, Warrenham experiences a modest temperature adjustment, with the average high-temperature gently receding from a warm 77.4°F (25.2°C) in August to a pleasant 70.7°F (21.5°C). During the month of September, Warrenham experiences a steady low-temperature average of 50.2°F (10.1°C).Humidity
In Warrenham, the average relative humidity in September is 81%.Rainfall
In September, the rain falls for 12.5 days. Throughout September, 2.05" (52mm) of precipitation is accumulated. In Warrenham, during the entire year, the rain falls for 155.2 days and collects up to 24.45" (621mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 28min.On the first day of September, sunrise is at 6:31 am and sunset at 7:37 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 6:47 pm EDT.
Sunshine
In September, the average sunshine is 8.4h.UV index
In Warrenham, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: A typical high UV index of 3 in September suggests the following recommendations:
Undertake precautions - Obligation exists to protect against skin and eye damage. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September?
How much does it rain in Warrenham in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Warrenham have in September?
When are sunrise and sunset in September?
How many hours of sunshine does Warrenham have in September?
What is the UV index intensity in September?
Average temperature in September
Warrenham, PA
- Average high temperature in September: 70.7°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (28.4°F).
- Average low temperature in September: 50.2°F
The month with the highest average low temperature is July (57.4°F).
The coldest month (with the lowest average low temperature) is January (16.9°F).
Average pressure in September
Warrenham, PA
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Warrenham, PA
- Average wind speed in September: 6.2mph
The windiest month (with the highest average wind speed) is January (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in September
Warrenham, PA
- Average humidity in September: 81%
The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are April, June and July (79%).
Average rainfall in September
Warrenham, PA
- Average rainfall in September: 2.05"
The wettest month (with the highest rainfall) is August (2.83").
The driest month (with the least rainfall) is January (1.38").
Average rainfall days in September
Warrenham, PA
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is July (17.5 days).
The months with the least rainy days are January and February (7 days).
Average snowfall in September
Warrenham, PA
- Average snowfall in September: 0"
The month with the highest snowfall is February (4.57").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Warrenham, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Warrenham, PA
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 2h and 42min).
Average sunshine days in September
Warrenham, PA
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is September (15.5 days).
The month with the least sunshine days is April (9.5 days).
Average UV index in September
Warrenham, PA
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in September
Warrenham, PA
- Average cloud cover in September: 43
The month with the most cloud cover is February (Cloud cover 73).
The month with the least cloud cover is July (Cloud cover 38).
Average visibility in September
Warrenham, PA
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
Warrenham, Pennsylvania, USA
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