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
Calverton, Maryland, observes a small decrease in the average high-temperature with the arrival of September, falling from August's warm 83.5°F (28.6°C) to a still moderately hot 77°F (25°C). Throughout September, Calverton encounters an average temperature drop to an enjoyable 61.3°F (16.3°C).Humidity
In Calverton, the average relative humidity in September is 75%.Rainfall
In Calverton, in September, it is raining for 13.2 days, with typically 2.24" (57mm) of accumulated precipitation. In Calverton, during the entire year, the rain falls for 158.5 days and collects up to 30.75" (781mm) of precipitation.Snowfall
In Calverton, snow does not fall in April through October.Daylight
In September, the average length of the day is 12h and 26min.On the first day of the month, sunrise is at 6:37 am and sunset at 7:37 pm. On the last day of September, in Calverton, Maryland, sunrise is at 7:03 am and sunset at 6:51 pm EDT.
Sunshine
The average sunshine in September in Calverton is 9.2h.UV index
In Calverton, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: In September, a regular UV index of 5 translates into these guidelines:
Undertake precautions - Guarding against sun damage is counselled. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Frequently asked questions
What are September temperatures in Calverton?
What is the average humidity in September in Calverton?
How many days does it rain in September in Calverton?
When it does not snow in Calverton?
What is the average length of the day in September in Calverton?
When is the sunrise / sunset in September in Calverton?
How many hours of sunshine does Calverton have in September?
What is the UV index intensity in September in Calverton?
Average temperature in September
Calverton, MD
- Average high temperature in September: 77°F
The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (38.5°F).
- Average low temperature in September: 61.3°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 (27.1°F).
Average pressure in September
Calverton, MD
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in September
Calverton, MD
- Average wind speed in September: 6.5mph
The windiest month (with the highest average wind speed) is March (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in September
Calverton, MD
- Average humidity in September: 75%
The month with the highest relative humidity is May (77%).
The months with the lowest relative humidity are April, July and November (72%).
Average rainfall in September
Calverton, MD
- Average rainfall in September: 2.24"
The wettest month (with the highest rainfall) is August (4.13").
The driest month (with the least rainfall) is January (1.85").
Average rainfall days in September
Calverton, MD
- Average rainfall days in September: 13.2 days
The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is November (8.4 days).
Average snowfall in September
Calverton, MD
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.09").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Calverton, MD
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (4.2 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
Calverton, MD
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in September: 9h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in September
Calverton, MD
- Average sunshine days in September: 14.6 days
The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is May (10.3 days).
Average UV index in September
Calverton, MD
- 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, November and December (UV index 2).
Average cloud cover in September
Calverton, MD
- Average cloud cover in September: 34
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility in September
Calverton, MD
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Calverton, Maryland, USA
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