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Justyna Jupowicz-Kozak quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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In september

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "In september" is not correct as it should be "In September" with a capital "S".
You can use it when referring to the month of September in a sentence. Example: "In September, the leaves begin to change color."

⚠ May contain grammatical issues

News & Media

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

In September or October.

News & Media

The New York Times

In September growth was 4.4%.

News & Media

The Economist

In September, she picked up the phone.

News & Media

The New York Times

In September, Springsteen will turn 60.

News & Media

Independent

In September Ford got specific.

News & Media

Forbes

In September under 94% were.

News & Media

BBC

In September, Drew resigned.

In September, U.S.

News & Media

Huffington Post

Planning dinner in September.

News & Media

The New York Times

That happened in September.

News & Media

The New York Times

See you in September.

News & Media

The New York Times
Show more...

Expert writing Tips

Best practice

Always capitalize the names of months, including "September", to adhere to standard English grammar conventions.

Common error

Avoid writing months in lowercase. Ensure you always capitalize "September" and other months to maintain grammatical correctness.

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

83%

Authority and reliability

3.8/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "in september" functions as an adverbial phrase of time, specifying when an event occurs. Ludwig AI's data indicates the phrase's incorrect capitalization, highlighting the importance of adhering to grammatical rules for clarity and precision.

Expression frequency: Very common

Frequent in

News & Media

100%

Less common in

Wiki

0%

Formal & Business

0%

Science

0%

Ludwig's WRAP-UP

In summary, while the phrase "in september" is frequently used, it is grammatically incorrect due to the lack of capitalization of the month. The correct form is "In September". Ludwig AI emphasizes this point. This prepositional phrase functions as an adverbial of time, specifying when an event occurs, and is commonly found in news and media contexts. Always ensure you capitalize months in your writing to maintain grammatical correctness and professionalism. Alternatives include "During September" and "Throughout September" for varied phrasing while maintaining accuracy.

FAQs

Why is it incorrect to write "in september"?

Months of the year are proper nouns and must be capitalized. The correct form is "In September".

What can I say instead of "in september" if I want to specify a time period?

Use the correctly capitalized form "In September" or alternatives like "During September" or "Throughout September".

Which is correct, "in september" or "In September"?

"In September" is correct. The capitalization indicates that it's a proper noun referring to the month of September.

Does the capitalization of months matter in formal writing?

Yes, capitalization is crucial in formal writing. Failing to capitalize proper nouns like months makes your writing appear unprofessional and grammatically incorrect. Always use "In September".

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Source & Trust

83%

Authority and reliability

3.8/5

Expert rating

Real-world application tested

Most frequent sentences: