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Maryland weather in September 2025
Expect 26°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Maryland in September. Check more long-term weather averages for Maryland in September before you book your next holiday to Maryland in 2025/2026.
- 26°C max day temperature
26 - 7 hours of sunshine per day
- 7 days with some rainfall
7 - 16°C min night temperature
16 - 12 hours of daylight per day
12 - Low heat & humidity
L - 91 mm of monthly rainfall
91 - 7 (High) UV index
7 - 22°C sea temperature
22
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Recommended for Maryland
The September weather guide for Maryland (Baltimore) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Top Maryland destinations
Below are average maximum temperatures at popular countries, regions and places in Maryland in September. Select a holiday destination to see more weather parameters.
All Maryland destinations
Metric (°C / mm) | Imperial (°F / inches)
More about the USA
How hot is it in Maryland in September?
Daytime temperatures usually reach 26°C in Baltimore, Maryland in September with low heat and humidity, falling to 16°C at night.
How sunny is it in Maryland in September?
There are normally 7 hours of bright sunshine each day in Baltimore, Maryland in September - that's 60% of daylight hours.
How warm is the sea around Maryland in September?
The average sea temperature around Baltimore, Maryland in September is 22°C.
Does it rain in Maryland in September?
There are usually 7 days with some rain in Baltimore, Maryland in September and the average monthly rainfall is 91mm.
What is the chance of a hurricane in Maryland in September?
On average less than 1 day in September in Baltimore, Maryland is likely to be affected by the passage of one or more tropical storms.
Maryland September sunrise & sunset times
Browse the sunrise and sunset times for Maryland in September 2025. Select a month to view Maryland sunrise and sunset times for the next 12 months. The Maryland sunrise and sunset times shown below are for Baltimore.
JanFebMarAprMayJunJulAugSepOctNovDec
| Date | Sunrise times | Sunset times |
|---|---|---|
| Monday, 1st September 2025 | 05:35 | 18:37 |
| Monday, 15th September 2025 | 05:48 | 18:14 |
| Tuesday, 30th September 2025 | 06:02 | 17:50 |
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