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
September
Weather in September
Temperature
As August transitions into September, Weems Creek sees a gentle drop in the average high-temperature, transitioning from a warm 28.5°C to a still moderately hot 25°C. Throughout the month of September, Weems Creek sees a steady low-temperature average of 18.1°C.Humidity
In September, the average relative humidity is 75%.Rainfall
In Weems Creek, during September, the rain falls for 10.5 days and regularly aggregates up to 16mm of precipitation. Throughout the year, there are 120.4 rainfall days, and 266mm of precipitation is accumulated.Snowfall
In Weems Creek, snow does not fall in April through October.Daylight
The average length of the day in September is 12h and 26min.On the first day of September, sunrise is at 6:35 am and sunset at 7:36 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 6:49 pm EDT.
Sunshine
The average sunshine in September is 9.2h.UV index
In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: In September, a regular UV index of 5 translates into these guidelines:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
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 Weems Creek have in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Weems Creek have in September?
How high is the UV index in September?
Average temperature in September
Weems Creek, MD
- Average high temperature in September: 25°C
The warmest month (with the highest average high temperature) is July (29.3°C).
The month with the lowest average high temperature is January (4.6°C).
- Average low temperature in September: 18.1°C
The month with the highest average low temperature is July (22.2°C).
The coldest month (with the lowest average low temperature) is January (-1.2°C).
Average pressure in September
Weems Creek, MD
- Average pressure in September: 1017.6mbar
The month with the highest atmospheric pressure is November (1020.4mbar).
The month with the lowest atmospheric pressure is June (1014mbar).
Average wind speed in September
Weems Creek, MD
- Average wind speed in September: 12.2km/h
The windiest month (with the highest average wind speed) is January (16.1km/h).
The calmest months (with the lowest average wind speed) are July and August (10.6km/h).
Average humidity in September
Weems Creek, MD
- Average humidity in September: 75%
The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are January, March, April and November (72%).
Average rainfall in September
Weems Creek, MD
- Average rainfall in September: 16mm
The wettest month (with the highest rainfall) is August (43mm).
The driest month (with the least rainfall) is January (12mm).
Average rainfall days in September
Weems Creek, MD
- Average rainfall days in September: 10.5 days
The months with the highest number of rainy days are July and August (14.3 days).
The month with the least rainy days is November (5.3 days).
Average snowfall in September
Weems Creek, MD
- Average snowfall in September: 0mm
The month with the highest snowfall is January (17mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Weems Creek, MD
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.5 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
Weems Creek, 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 48min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in September
Weems Creek, MD
- Average sunshine days in September: 17.4 days
The month with the most sunshine days is November (23.4 days).
The month with the least sunshine days is August (13.8 days).
Average UV index in September
Weems Creek, 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 and December (UV index 2).
Average cloud cover in September
Weems Creek, MD
- Average cloud cover in September: 33
The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in September
Weems Creek, MD
- Average visibility in September: 9km
The months with the highest visibility are February, April, June, July, August, October and November (10km).
The months with the lowest visibility are January, March, May, September and December (9km).