Maryland in september: average Weather, Temperature and Climate
Weather in Maryland in september 2025
The weather in Maryland in the month of september comes from statistical datas on the past years. You can view the weather statistics the entire month, but also navigating through the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
good weather UV index: 6
Weather at 6am
67°F
Clear/Sunny
44% of time
25%
14%
8%
Weather at 12pm
79°F
Clear/Sunny
48% of time
24%
13%
9%
Weather at 6pm
72°F
Clear/Sunny
51% of time
22%
11%
9%
Weather at 3am
67°F
42%
23%
18%
10%
Evolution of daily average temperature and precipitation in Maryland in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Maryland in september.
The climate of Maryland in september is good
The climate in september in Maryland is relatively dry (with 5in of rainfall over 6 days). This is better than the previous month since in august it receives an average of 6.5in of rainfall over 9 days.
The climate enjoyable in that locality this month. Temperatures are up to 79°F. On average, the recorded minimum temperature is 67°F. Thus, the mean temperature average in september in Maryland is 74°F. Note that seasonal normals in contrast with those observed in Maryland in the month of september with a maximum record of 95°F in 2018 and a minimum record of 50°F in 2011. You can plan to have about 6 days with temperatures up to 86°F, or 20 of time.
In september in Maryland, the days on average last 12:26. Sunrise is at 05:48 and sunset is at 18:14.
With a good weather, september is advisable to go there.
Seasonal average climate and temperature of Maryland in september
Check below seasonal norms These datas are compiled from the weather statements of the last years of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 74°F | ||||
| Highest temperature | 79°F | ||||
| Lowest temperature | 67°F | ||||
| Highest record temperature | 95°F (2018) | ||||
| Lowest record temperature | 50°F (2011) | ||||
| Number of days at +86°F | 6 day(s) (20%) | ||||
| Number of days at +65°F | 30 day(s) (100%) | ||||
| Sea temperature | |||||
| Average sea temperature | 74°F | ||||
| Lowest sea temperature | 71°F | ||||
| Highest sea temperature | 77°F | ||||
| Wind | |||||
| Wind speed | 15km/h | ||||
| Wind temperature | 67°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 5in | ||||
| Number of days with rainfall | 6 day(s) (18%) | ||||
| Record daily rainfall | 5in (2010) | ||||
| Other climate data | |||||
| Humidity | 83% | ||||
| Visibility | 9.23km | ||||
| Cloud cover | 33% | ||||
| UV index | 6 | ||||
| Daily sunshine hours | 12 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 05:48 | ||||
| Time of sunset | 18:14 | ||||
| Length of day | 12:26 | ||||
| Our opinion about the weather in september | |||||
| Our opinion at whereandwhen.net | good | ||||
How was the weather last september?
Here is the day by day recorded weather in Maryland in september 2024:
70°F to 85°F
67°F to 77°F
58°F to 76°F
58°F to 77°F
59°F to 79°F
61°F to 77°F
67°F to 72°F
50°F to 72°F
54°F to 79°F
59°F to 86°F
59°F to 86°F
61°F to 83°F
63°F to 83°F
65°F to 85°F
61°F to 83°F
63°F to 76°F
68°F to 72°F
67°F to 68°F
65°F to 67°F
67°F to 79°F
68°F to 74°F
67°F to 70°F
63°F to 74°F
65°F to 67°F
68°F to 74°F
72°F to 83°F
70°F to 74°F
70°F to 76°F
70°F to 74°F
65°F to 68°F
Map: other cities in the United States (USA) in september
Cities near Maryland:
| Baltimore in september | good weather |
| Washington D. C. in september | good weather |
| Ocean City (Maryland) in september | good weather |
| Wildwood in september | good weather |
| Philadelphia in september | good weather |
| Atlantic City in september | perfect weather |
| New Jersey in september | perfect weather |
| Virginia Beach in september | good weather |
| Virginia in september | good weather |
| New York City in september | good weather |
| Brooklyn in september | good weather |
| Pittsburgh in september | good weather |
Click over cities on the map for information about the weather in september.
Maryland
perfect weather
good
tolerable
bad
very bad
Weather data for Maryland in september:
Weather data for Maryland for september are derived from an average of the weather forecast since 2009 in Maryland. There is a margin of error and these forecasts are to be considered as general information only. The weather in Maryland can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Maryland.