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Weather in September in Maryland

Considering a trip to Maryland this September and wondering about the expected weather conditions? Find all the crucial information you need right here, addressing your question:

What is the weather like in Maryland in September?

Maryland is a region in the United States of America. September in Maryland generally has temperatures that range from pleasant to warm, with precipitation levels ranging from moderate to high.

Temperatures

The average highest temperatures fluctuate between pleasant in McHenry at 21°C to warm in Pocomoke City at 27°C. Nighttime temperatures generally drop to 16°C in Pocomoke City and 11°C in McHenry.

Precipitation

In September, precipitation varies across different areas. From moderate rainfall in Oakland with an average of 75 mm to high rainfall in Prince Frederick with 146 mm.

For a closer look at September's conditions in Maryland, see the map below. For a more detailed look at Maryland's yearly weather, check out our Maryland climate page.

Where to go in Maryland in September

Find more information for the most popular destinations in the Maryland on the map below. Click on a destination dot for more detailes.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

Popular destinations

What is the weather like in September for the 5 most popular destinations in Maryland?

Ocean City

In September Ocean City generally has high temperatures with maximum daytime temperatures around 26°C, minimum nighttime temperatures around 18°C and high monthly rainfall. So on average the conditions are pleasant that month.

Ocean City
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
29°C 
20°C 
117 mm 
9 days 
26°C 
18°C 
118 mm 
10 days 
October   >> October
>>  
21°C 
11°C 
133 mm 
10 days 
Climate in Ocean City

Baltimore

In September Baltimore generally has high temperatures with maximum daytime temperatures around 27°C, minimum nighttime temperatures around 17°C and high monthly rainfall. So on average the conditions are pleasant that month.

Baltimore
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
30°C 
21°C 
262 hours 
115 mm 
11 days 
27°C 
17°C 
225 hours 
123 mm 
9 days 
October   >> October
>>  
20°C 
11°C 
205 hours 
137 mm 
10 days 
Climate in Baltimore

Annapolis

In September Annapolis generally has high temperatures with maximum daytime temperatures around 25°C, minimum nighttime temperatures around 18°C and high monthly rainfall. So on average the conditions are pleasant that month.

Annapolis
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
29°C 
21°C 
262 hours 
110 mm 
10 days 
25°C 
18°C 
225 hours 
110 mm 
9 days 
October   >> October
>>  
19°C 
11°C 
205 hours 
143 mm 
11 days 
Climate in Annapolis

Frederick

In September Frederick generally has high temperatures with maximum daytime temperatures around 27°C, minimum nighttime temperatures around 14°C and high monthly rainfall. So on average the conditions are pleasant that month.

Frederick
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
30°C 
18°C 
262 hours 
80 mm 
11 days 
27°C 
14°C 
225 hours 
113 mm 
10 days 
October   >> October
>>  
20°C 
8°C 
205 hours 
128 mm 
11 days 
Climate in Frederick

Linthicum

In September Linthicum generally has high temperatures with maximum daytime temperatures around 26°C, minimum nighttime temperatures around 16°C and high monthly rainfall. So on average the conditions are pleasant that month.

Linthicum
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
30°C 
20°C 
262 hours 
115 mm 
11 days 
26°C 
16°C 
225 hours 
120 mm 
9 days 
October   >> October
>>  
20°C 
9°C 
205 hours 
144 mm 
10 days 
Climate in Linthicum

Is your destination not in the list? Have a look at other destinations in Maryland, in the United States of America.

Is September the best time to visit Maryland?

Given the typically pleasant weather conditions in Ocean City, September might be a good time to visit Maryland.

Generally speaking, May and July provide perfect weather in Ocean City. On the other hand, the weather in January, February and December tend to be poor.

Interested in more climate information?

We have much more information about the climate in Maryland. Interested in the weather conditions in a specific month? Select the month below.

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  • Weather and climate has detailed information for every country in the world. Are you going to the United States of America? Get detailed historical weather averages for many cities in the United States of America.

    Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.