Temperature in Maryland in September

Daytime highs, nighttime lows and the warmest cities in Maryland, the United States of America this September.

Maryland, the United States of America, a region in the United States of America, experiences maximum daytime temperatures in September ranging from 21°C (70°F) in McHenry to 27°C (81°F) in Pocomoke City. Nighttime temperatures generally drop to 16°C (61°F) in Pocomoke City and 11°C (52°F) in McHenry.

What is the temperature of the different cities in Maryland, the United States of America in September?

Find the average daytime temperatures in September for the most popular destinations in Maryland on the map below. Click on a destination dot for more detailed information.

Select a Month

Check the conditions for any month of the year.

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For a detailed overview over the year and the best time to visit Maryland, check out our Maryland's climate page.

See also: Maryland weather by month.

Best Places to Visit in Maryland in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Maryland.

Conditions Temperatures Precipitation
Avg daytime high -5°C (23°F) cold → 32°C (90°F) hot

Marker color shows the average daytime high temperature in September: blue is cold, red is hot.

See all September weather averages, cities and regions in Maryland

Maryland temperatures in September: frequently asked questions

How hot does it get in Maryland, the United States of America in September?

Average daytime highs in Maryland, the United States of America during September reach about 26°C (79°F) in Ocean City.

How cold does it get at night in Maryland, the United States of America in September?

Average overnight lows in Maryland, the United States of America during September sit near 18°C (64°F) in Ocean City.

What is the warmest city in September in Maryland, the United States of America?

Pocomoke City tops the warmest city list in our database with average maximum daytime temperatures around 27°C (81°F) and a minimum nighttime temperature of around 16°C (61°F).

What is the coldest city in September in Maryland, the United States of America?

When looking through our records, we find that McHenry stands out as the coolest city in Maryland, the United States of America for the month of September. Daytime highs average 21°C (70°F) and it cools down to about 11°C (52°F) at night.

What is the water temperature in September?

The water temperature averages approximately 21°C (70°F) in Ocean City this month, good for swimming and cooling off.

Interested in more climate information?

We have much more information about the climate in Maryland.

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