United States · 1991–2020 normal

Chester in
September.

Typical September weather in Chester: 13.9°C by day, 6.1°C at night, 78 mm of rain over 10.9 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high13.9°C
Typical low6.1°C
Rain78 mm
Wet days10.9

In the year-round weather comparison, September scores 37 out of 100 (July leads the year at 76). Daylight is calculated as 12 h 48 from latitude 61.21°. Open-water sea temperature is 12.1°C (14 km from the place centre).

September at a glance

What is Chester like in September?

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

Is Chester hot in September?

Days are typically cool at 13.9°C, while nights average 6.1°C.

Does it rain much?

The measured monthly average is 78 mm across about 11 wet days.

How much daylight is there?

There are about 12 h 48 between sunrise and sunset at mid-month, calculated from the place latitude.

Is September a good time to visit?

September ranks 5 of 12 in our weather comparison; July ranks first.

The evidence behind this page

One month,
from the same station.

Place identity
GeoNames 5859105
NOAA station
USW00026409 · ANCHORAGE MERRILL FLD
Station distance
3.6 km from the place centre
Coverage
Good coverage · 23 usable years
Important limit
Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.

Next step

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The weather comparison for Chester 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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