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.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Nigeria, check out our Maryland's climate page.
Maryland Temperature in September
Min Temperature
24°C (75°F)
Max Temperature
29°C (84°F)
Chance of Rain
43%
Precipitation
209 mm (8.2 in)
Rainy days
13 days
Humidity
86% *
Sunshine
116 hours *
Percentage Sunshine
*
Historical weather for Maryland in September
Browse day-by-day weather records for Maryland spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Maryland historical weather extremes in September
Based on weather observations in Maryland between 2006 and 2025, these are the recorded extremes during September.
- On September 24, 2019, temperatures climbed to 34°C (93°F), marking the warmest September day on record.
- The coldest September day was on September 28, 2022, with a maximum of 25°C (77°F).
- Maryland registered its coldest September night on September 11, 2023, with temperatures dropping to 13°C (55°F).
Best Places in Nigeria in September
Find out more about the weather in Nigeria and which places have the best travel conditions in this month. See all of Nigeria in September →
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What to Wear in Maryland in September
Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Also bring a poncho, it will rain a lot! Waterproof everything you can. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Maryland in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Nigeria, check out our Maryland's climate page.
Temperature Rainfall Sunshine Humidity
See the full Maryland climate overview or explore weather in Nigeria.
