United States · 1991–2020 normal

Middle River in
September.

Typical September weather in Middle River: 27°C by day, 18.6°C at night, 118 mm of rain over 6.2 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high27°C
Typical low18.6°C
Rain118 mm
Wet days6.2

In the year-round weather comparison, September scores 69 out of 100 (May leads the year at 86). Daylight is calculated as 12 h 24 from latitude 39.33°. Open-water sea temperature is 23.3°C (24 km from the place centre).

September at a glance

What is Middle River like in September?

Plain answers from the measured climate record—not a forecast or a promise about a particular trip.

Is Middle River hot in September?

Days are typically warm at 27°C, while nights average 18.6°C.

Does it rain much?

The measured monthly average is 118 mm across about 6 wet days.

How much daylight is there?

There are about 12 h 24 between sunrise and sunset at mid-month, calculated from the place latitude.

Is September a good time to visit?

September ranks 3 of 12 in our weather comparison; May ranks first.

Event window

Warm sea in September

The nearest open-water NOAA OISST 1991–2020 cell averages 23.3°C in September. A sheltered bay can run warmer than that open-water cell.

The evidence behind this page

One month,
from the same station.

Place identity
GeoNames 4362344
NOAA station
USW00093784 · MARYLAND SCI CTR
Station distance
15.9 km from the place centre
Coverage
Good coverage · 21 usable years
Important limit
Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.

Next step

Choose your month.
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The weather comparison for Middle River is based on climate evidence, not payments from travel companies. Flight, accommodation and activity links will be clearly labelled when they are added; there are no booking offers on this page today.

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