Weather in September 2025

Mount Vernon weather in September 2025

The temperatures in Mount Vernon in September are comfortable with low of 17°C and and high up to 25°C.

You can expect about 3 to 8 days of rain in Mount Vernon 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 Mount Vernon in September 2025.

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

Temperatures
Temperatures
25° / 17°
Rainy Days
Rainy Days
5
Snowy Days
Snowy Days
0
Dry Days
Dry Days
25
Rainfall
Rainfall
132
mm
10.2
Sun Hours
10.2
Hrs

Mount Vernon annual weather

Month Temperatures Rainy Days Dry Days Snowy Days Rainfall Weather More details
January 2° / -3° 5 18 8 101 mm
Awful
February 4° / -3° 6 13 9 120 mm
Awful
March 8° / 2° 7 19 5 133 mm
Awful
April 14° / 7° 8 22 1 128 mm
Ok
May 20° / 12° 8 23 0 141 mm
Ok
June 26° / 17° 7 23 0 152 mm
Good
July 29° / 21° 10 21 0 202 mm
Ok
August 29° / 21° 7 24 0 189 mm
Ok
September 25° / 17° 5 25 0 132 mm
Perfect
October 18° / 12° 6 25 0 147 mm
Good
November 11° / 5° 5 24 1 96 mm
Ok
December 6° / 1° 7 19 5 151 mm
Awful
Temperatures in Mount Vernon in September
Rain in Mount Vernon in September

Recommended Hotels in Mount Vernon

We know that finding the ideal hotel in Mount Vernon can be a hard task...

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

Weather in Mount Vernon in September - FAQ

What is the average temperature in Mount Vernon in September?
The average temperature in Mount Vernon in September is 17/25° C.
What is the chance of rain in Mount Vernon in September?
On average, there are 5 rainy days in Mount Vernon during September.
Weather wise, is September a good time to visit Mount Vernon?
The weather in Mount Vernon in September is perfect.
Can it snow in Mount Vernon in September?
On average, there are 0 snowy days in Mount Vernon in September.
More about the weather in Mount Vernon