Climate averages 1991–2020

Cape Coral weather
in September.

A hot, wet month: the 5th warmest and the 11th driest of the year.

Long-term climate patterns, not a forecast for a particular trip.

Average high 30.2°C Daytime mean, September

Average low 24.1°C Night-time mean, September

Rainfall 141 mm 18 days with ≥1 mm

Daylight 12 h Sunrise to sunset, per day

September is a hot month in Cape Coral: daytime highs average 30.2°C and nights cool to about 24.1°C. By daytime temperature it is the 5th warmest of the 12 months.

Expect about 141 mm of rain on roughly 18 days, which makes September a wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 20 min on an average September day.

The nearest other city in this atlas is Fort Myers (13 km away). In September its highs average 30.4°C, about as warm as Cape Coral, with 156 mm of rain.

Among the 498 cities listed in the United States, Cape Coral ranks joint 113th of 498 for the warmest September highs and 473rd of 498 for the driest September (rainfall, lowest first). The mean September high of those 498 cities is 26.9°C; Cape Coral is 3.3°C warmer than that mean.

From September to October, average highs fall by 1.6°C to 28.6°C, and monthly rainfall falls from 141 mm to 72 mm.

The annual picture

September in context

30-year average

Average highAverage low°C

Monthly rainfall

Average total · mm

Averages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated

Every month, side by side

Cape Coral climate table

1991–2020

Monthly climate averages for Cape Coral, 1991–2020
Month	Average highHigh / low	Average low	Rainfall mm/month	Rain days ≥1 mm/day	Daylight hours/dayDaylight h/day
January	22.5°C13.8°C	13.8°C	47	4.9	10.711 h
February	23.8°C14.8°C	14.8°C	36	4.4	11.211 h
March	25.6°C16.4°C	16.4°C	39	4.8	12.012 h
April	28.0°C19.0°C	19.0°C	44	5.8	12.813 h
May	30.4°C21.6°C	21.6°C	60	8.3	13.413 h
June	30.7°C24.1°C	24.1°C	142	18.2	13.814 h
July	30.9°C24.7°C	24.7°C	124	20.0	13.614 h
August	31.0°C24.8°C	24.8°C	133	20.7	13.113 h
September, selected	30.2°C24.1°C	24.1°C	141	18.2	12.312 h
October	28.6°C21.6°C	21.6°C	72	8.5	11.612 h
November	25.9°C17.8°C	17.8°C	32	3.7	10.911 h
December	23.8°C15.5°C	15.5°C	36	4.4	10.511 h

Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.

Compare places

September in nearby cities

Distance from Cape Coral

Read the numbers correctly

Climate, not a promise.

These patterns help compare months. They cannot tell you the weather on a specific day of your trip.

Sources, method and limits

How these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Cape Coral) is explained once on the Cape Coral year overview and on the Sources, method and limits page.