Maryland Weather in September
September in Maryland averages 29°C (84°F) during the day
and 24°C (75°F) at night.
Quite a bit of rainfall is typical this month, with around 209 mm (8.2 in) on average. An umbrella is a good idea.
Rainfall in Maryland in September
Historically, September sees about
13 days of rain, with a monthly average of
209 mm (8.2 in).
The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.
Temperature in Maryland in September
In September, Maryland gets high temperatures, with highs of
29°C (84°F). Nights cool to around
24°C (75°F).
Overall, the month follows a fairly predictable daily temperature pattern.
Nights are warm at
24°C (75°F). It's worth making sure your accommodation has decent ventilation or air conditioning.
Sunshine in Maryland in September
The area enjoys a moderate level of sunlight, with around
116 hours. It's a good balance between sunny and cloudy days.
Our weather planner can help you find worldwide destinations with pleasant weather during this period. August typically offers the best weather for Maryland.
perfect weather
pleasant
tolerable
unpleasant
poor
Avg daytime high
-5°C (23°F) cold → 32°C (90°F) hot
Monthly precipitation
0 mm (0 in) dry → 150 mm (5.9 in) wet
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
Marker color shows the average daytime high temperature in September: blue is cold, red is hot.
Marker color shows total monthly precipitation in September: pale blue is dry, deep blue is wet.