Cleveland, OH weather in September
September in Cleveland: mild, with frequent rain. Highs 76°F, lows 57°F, about 10 wet days. A good month for most outdoor plans.
- Normal high
- 76°F
- Normal low
- 57°F
- Wet days
- 10
- 3.9 in total
- Muggy days
- 4
- dew point 65°F+
How September changes from start to finish
| September 1 | September 30 | |
|---|---|---|
| Normal high | 80°F | 70°F |
| Normal low | 62°F | 52°F |
| Chance of a wet day | 33% | 35% |
| Sunrise / sunset | 6:53 am / 8:00 pm | 7:22 am / 7:10 pm |
| Daylight | 13.1 h | 11.8 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Eastern Time).
A typical September day
- 6 am63°Fdew point 55°F
- 9 am67°Fdew point 56°F
- Noon71°Fdew point 58°F
- 3 pm72°Fdew point 58°F
- 6 pm70°Fdew point 57°F
- 9 pm67°Fdew point 56°F
NOAA hourly normals (local standard time) from Cleveland Burke Airport (1 mi away); average wind 10 mph.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F15 of 30
- Beach dayshigh 80-95°F, under 0.05 in of rain, afternoon wind under 15 mph6 of 30
- Hot dayshigh 90°F or more1 of 30
- Muggy daysdaily mean dew point 65°F or more4 of 30
- Wet daysat least 0.01 in of rain or melted snow10 of 30
- Notable rainat least 0.10 in7 of 30
- Freezing nightslow 32°F or below0 of 30
- Snow on the groundsnow depth 1 in or more0 of 30
Average days per September, counted from daily records for each year 1991-2020.
Rain in September
Normal precipitation is 3.9 in; a dry September brings about 2.3 in and a wet one about 4.8 in (25th and 75th percentiles). About 3 days bring half an inch or more, and about 1 an inch or more.
How September varies from year to year
- Warmest September, 1991-20202019: average high 81°F
- Coolest September2006: average high 70°F
- Wettest September1996: 11.1 in
- Driest September2017: 0.8 in
- Highest reading96°F (September 10, 2013)
- Lowest reading35°F (September 29, 2000)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
September compared with August and October
| August | September | October | |
|---|---|---|---|
| Normal high | 82°F | 76°F | 64°F |
| Normal low | 64°F | 57°F | 47°F |
| Wet days | 10 | 10 | 12 |
| Comfortable days | 9 | 15 | 11 |
| Daylight | 13.8 h | 12.5 h | 11.1 h |
Highs change by -6°F from August and -12°F into October.
How Cleveland ranks in September
- Normal high268th warmest of 378 cities; 6th of 6 in Ohio
- Wet days316th driest of 378
- Comfortable days81st most of 342
What to pack for Cleveland in September
- A rain jacket or umbrella – rain on about 10 days
Heating and cooling
September has 70 heating degree days and 110 cooling degree days (base 65°F), 3% of the year's total heating and cooling demand.
Questions
How hot is Cleveland in September?
The normal high is 76°F and the normal low is 57°F. From 1991 to 2020 the hottest September reading was 96°F (September 10, 2013).
Does it rain a lot in Cleveland in September?
About 10 days in September have at least 0.01 in of precipitation, and the normal total is 3.9 in. The wettest September in 1991-2020 was in 1996 (11.1 in); the driest was in 2017 (0.8 in).
Is September a good time to visit Cleveland?
September ranks 3rd of 12 months on our comfort score for Cleveland (67 out of 100). It has about 15 comfortable days and about 1 day at 90°F or hotter. The best months are May, June and September.
Where the numbers come from
- Temperature, rain, snowfall and snow depth: Cleveland (USW00014820), 10 mi SW of the city center, 763 ft (109 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Frost dates and humidity and wind by hour: Cleveland Burke Airport (USW00004853), 1.4 mi NNE of the city center, 584 ft (70 ft lower than the city). NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Cleveland-Hopkins International Airport (725240-14820), 10 mi SW of the city center, 777 ft (123 ft higher than the city). Hourly observations, 1991-2020.
- Not available for this location: cloud cover (no station close enough or similar enough in elevation).