Climate averages 1991–2020

Alafaya weather
in September.

A hot, wet month: the joint 4th warmest and the 9th driest of the year.

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

Average high 29.6°C Daytime mean, September

Average low 23.2°C Night-time mean, September

Rainfall 143 mm 18 days with ≥1 mm

Daylight 12 h Sunrise to sunset, per day

September is a hot month in Alafaya: daytime highs average 29.6°C and nights cool to about 23.2°C. By daytime temperature it is the joint 4th warmest of the 12 months.

Expect about 143 mm of rain on roughly 18 days, which makes September a wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 21 min on an average September day.

The nearest other city in this atlas is Orlando (17 km away). In September its highs average 29.8°C, about as warm as Alafaya, with 142 mm of rain.

Among the 498 cities listed in the United States, Alafaya ranks joint 145th of 498 for the warmest September highs and 475th of 498 for the driest September (rainfall, lowest first). The mean September high of those 498 cities is 26.9°C; Alafaya is 2.7°C warmer than that mean.

From September to October, average highs fall by 2.5°C to 27.1°C, and monthly rainfall falls from 143 mm to 69 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

Alafaya climate table

1991–2020

Monthly climate averages for Alafaya, 1991–2020
Month	Average highHigh / low	Average low	Rainfall mm/month	Rain days ≥1 mm/day	Daylight hours/dayDaylight h/day
January	20.5°C11.4°C	11.4°C	54	6.2	10.511 h
February	22.0°C12.7°C	12.7°C	51	6.3	11.211 h
March	24.2°C14.5°C	14.5°C	58	6.4	12.012 h
April	26.8°C17.2°C	17.2°C	53	6.6	12.813 h
May	29.6°C20.2°C	20.2°C	73	9.1	13.614 h
June	30.8°C23.1°C	23.1°C	152	19.0	13.914 h
July	31.3°C24.0°C	24.0°C	151	21.5	13.814 h
August	31.0°C24.1°C	24.1°C	170	22.6	13.213 h
September, selected	29.6°C23.2°C	23.2°C	143	18.2	12.412 h
October	27.1°C20.0°C	20.0°C	69	9.9	11.512 h
November	24.0°C16.1°C	16.1°C	35	5.4	10.811 h
December	21.7°C13.2°C	13.2°C	49	5.7	10.410 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 Alafaya

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 Alafaya) is explained once on the Alafaya year overview and on the Sources, method and limits page.