September
/sɛpˈtɛmbə/
"september" is a 9-letter English headword indexed on PlainSpell.
The verdict
“September” is in the everyday core of English, ranked #741 in English word frequency and used as a proper noun.
- #741
- frequency rank, English
- 9
- letters
- 14
- tracked misspellings
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - The ninth month of the Gregorian calendar, following August and preceding October, containing the southward equinox.
| Property | Value |
|---|---|
| Headword | September |
| Language | English |
| Part of speech | Proper noun |
| IPA | /sɛpˈtɛmbə/ |
| Letters | 9 |
| Frequency rank | #741 |
| Misspellings tracked | 14 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “September” sits in English frequency
Spelling & Dictionary Insight
The English entry for September is 9 letters long, classified as a proper noun, and transcribed in the International Phonetic Alphabet as /sɛpˈtɛmbə/. Corpus data places it at rank #741 in overall English word frequency, putting it firmly in the everyday core of the language. Wiktionary records 3 distinct senses for this headword, so context determines which meaning a reader should apply.
Our generated misspelling index lists 14 likely wrong-spelling variants for September, with forms such as "esptember", "sepetmber", and "sepptember". Every one of these variants traces to a single-character edit -- an added or dropped letter, a swapped consonant, or a vowel swap -- the kind of slip a spell-checker is built to catch. This headword has no recorded confusable partner, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.
Etymologically, the entry records: PIE word *septḿ̥ Etymology tree Proto-Afroasiatic *sṗɣ? Proto-Semitic *šabʕ-bor.? Proto-Indo-European *septḿ̥ Proto-Italic *septəm Latin septem Latin September Old French septembreder. Old English Middle English English September From Middle English, from … The correct English form is September, spelled S-E-P-T-E-M-B-E-R.
Definition
- 1The ninth month of the Gregorian calendar, following August and preceding October, containing the southward equinox.
- 2Celi, Roman goddess of September
- 3A female or male given name transferred from the month name [in turn from English].
Etymology
PIE word *septḿ̥ Etymology tree Proto-Afroasiatic *sṗɣ? Proto-Semitic *šabʕ-bor.? Proto-Indo-European *septḿ̥ Proto-Italic *septəm Latin septem Latin September Old French septembreder. Old English Middle English English September From Middle English, from late Old English, from Old French septembre, Latin September (“seventh month”), from septem (“seven”), from Proto-Indo-European *septḿ̥ (“seven”); + Latin -ber, from -bris, an adjectival suffix; September was the seventh month in the Roman calendar.
This word in other languages
Common misspellings
Also misspelled as: esptember,sepetmber,sepptember,septebmer,septembber,septemberr,septembre,septemebr,septemmber,septmeber,septtember,setpember,spetember,sseptember
Misspelling Pattern Breakdown
How far each generated variant is from the correct spelling of September - measured in single-character edits (insert, delete, or substitute a letter). Larger bars are easier to catch; one-edit slips are the sneakiest.
Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.
Frequently Asked Questions
How do you spell "September"?
What does "September" mean?
What are common misspellings of "September"?
How do you pronounce "September"?
What is the origin of the word "September"?
Is PlainSpell free to use?
Using “September”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is S-E-P-T-E-M-B-E-R - every other letter order is a misspelling in standard orthography.
- Say it as /sɛpˈtɛmbə/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- Browse more English words and confusable pairs in the same reference. English words
Data Source
Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.