Weather in September 2025

Upper Marlboro weather in September 2025

The temperatures in Upper Marlboro in September are comfortable with low of 18°C and and high up to 26°C.

You can expect about 3 to 8 days of rain in Upper Marlboro during the month of September. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.

Our weather forecast can give you a great sense of what weather to expect in Upper Marlboro in September 2025.

If you’re planning to visit Upper Marlboro in the near future, we highly recommend that you review the 14 day weather forecast for Upper Marlboro before you arrive.

Temperatures
Temperatures
26° / 18°
Rainy Days
Rainy Days
5
Snowy Days
Snowy Days
0
Dry Days
Dry Days
25
Rainfall
Rainfall
143
mm
10.3
Sun Hours
10.3
Hrs

Upper Marlboro annual weather

Month Temperatures Rainy Days Dry Days Snowy Days Rainfall Weather More details
January 4° / -2° 6 19 6 104 mm
Awful
February 7° / 0° 7 15 6 120 mm
Awful
March 12° / 4° 7 20 4 122 mm
Awful
April 18° / 9° 8 22 0 130 mm
Ok
May 23° / 14° 8 23 0 156 mm
Good
June 28° / 19° 7 23 0 154 mm
Good
July 31° / 22° 8 23 0 184 mm
Ok
August 30° / 21° 8 23 0 178 mm
Ok
September 26° / 18° 5 25 0 143 mm
Perfect
October 20° / 12° 5 26 0 151 mm
Good
November 13° / 6° 5 24 1 95 mm
Ok
December 8° / 2° 7 21 3 136 mm
Awful
Temperatures in Upper Marlboro in September
Rain in Upper Marlboro in September

Recommended Hotels in Upper Marlboro

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That’s why we run our special tools and found the best hotels in Upper Marlboro. Click on hotel for more details.

Weather in Upper Marlboro in September - FAQ

What is the average temperature in Upper Marlboro in September?
The average temperature in Upper Marlboro in September is 18/26° C.
What is the chance of rain in Upper Marlboro in September?
On average, there are 5 rainy days in Upper Marlboro during September.
Weather wise, is September a good time to visit Upper Marlboro?
The weather in Upper Marlboro in September is perfect.
Can it snow in Upper Marlboro in September?
On average, there are 0 snowy days in Upper Marlboro in September.
More about the weather in Upper Marlboro