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Baltimore weather in September 2025
Expect 26°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Baltimore in September. Check more long-term weather averages for Baltimore in September before you book your next holiday to Maryland in 2025/2026.
- 2626°C max day temperature
- 7 hours of sunshine per day
- 77 days with some rainfall
- 1616°C min night temperature
- 1212 hours of daylight per day
- LLow heat & humidity
- 9191 mm of monthly rainfall
- 77 (High) UV index
- 2222°C sea temperature
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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.
Metric (°C / mm) | Imperial (°F / inches)
More about the USA
How hot is it in Baltimore in September?
Daytime temperatures usually reach 26°C in Baltimore in September with low heat and humidity, falling to 16°C at night.
How sunny is it in Baltimore in September?
There are normally 7 hours of bright sunshine each day in Baltimore in September - that's 60% of daylight hours.
How warm is the sea around Baltimore in September?
The average sea temperature around Baltimore in September is 22°C.
Does it rain in Baltimore in September?
There are usually 7 days with some rain in Baltimore in September and the average monthly rainfall is 91mm.
What is the chance of a hurricane in Baltimore in September?
On average less than 1 day in September in Baltimore is likely to be affected by the passage of one or more tropical storms.
Baltimore September sunrise & sunset times
Browse the sunrise and sunset times for Baltimore in September 2025. Select a month to view Baltimore sunrise and sunset times for the next 12 months.
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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