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
September's arrival comes with a mild decrease in the average high-temperature, moving subtly from a warm 83.1°F (28.4°C) in August to a still moderately hot 77.2°F (25.1°C). Callaway in September experiences a low-temperature average of 65.8°F (18.8°C).Humidity
In September, the average relative humidity is 76%.Rainfall
In Callaway, during September, the rain falls for 14.1 days and regularly aggregates up to 2.76" (70mm) of precipitation. In Callaway, during the entire year, the rain falls for 160.6 days and collects up to 34.49" (876mm) of precipitation.Snowfall
In Callaway, snow does not fall in May through October.Daylight
The average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 6:36 am and sunset at 7:35 pm. On the last day of September, sunrise is at 7:01 am and sunset at 6:50 pm EDT.
Sunshine
The average sunshine in September is 9.1h.UV index
The average daily maximum UV index in September in Callaway is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: A maximum UV index of 5 in September translates into the following recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
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 many days does it rain in September?
When it does not snow?
How many hours of daylight does Callaway have in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Callaway have in September?
What is the UV index reading in September?
Average temperature in September
Callaway, MD
- Average high temperature in September: 77.2°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (41.7°F).
- Average low temperature in September: 65.8°F
The month with the highest average low temperature is July (72.1°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).
Average pressure in September
Callaway, MD
- Average pressure in September: 30.04"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in September
Callaway, MD
- Average wind speed in September: 8mph
The windiest month (with the highest average wind speed) is March (9.8mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).
Average humidity in September
Callaway, MD
- Average humidity in September: 76%
The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are January, March and November (73%).
Average rainfall in September
Callaway, MD
- Average rainfall in September: 2.76"
The wettest month (with the highest rainfall) is July (4.53").
The driest month (with the least rainfall) is January (1.93").
Average rainfall days in September
Callaway, MD
- Average rainfall days in September: 14.1 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is January (8.8 days).
Average snowfall in September
Callaway, MD
- Average snowfall in September: 0"
The month with the highest snowfall is January (1.77").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Callaway, MD
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (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
Callaway, MD
- 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 36min).
- Average sunshine in September: 9h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).
Average sunshine days in September
Callaway, MD
- Average sunshine days in September: 14.3 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is August (10.7 days).
Average UV index in September
Callaway, 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 and December (UV index 2).
Average cloud cover in September
Callaway, MD
- Average cloud cover in September: 35
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility in September
Callaway, 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).
Callaway, Maryland, USA
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