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Roswell weather in September 2025
Expect 30°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Roswell in September. Check more long-term weather averages for Roswell in September before you book your next holiday to New Mexico in 2025/2026.
- 3030°C max day temperature
- 9 hours of sunshine per day
- 77 days with some rainfall
- 1515°C min night temperature
- 1212 hours of daylight per day
- MModerate heat & humidity
- 4646 mm of monthly rainfall
- 99 (Very High) UV index
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Recommended for New Mexico
The September weather guide for New Mexico (Roswell) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Metric (°C / mm) | Imperial (°F / inches)
More about the USA
How hot is it in Roswell in September?
Daytime temperatures usually reach 30°C in Roswell in September with moderate heat and humidity, falling to 15°C at night.
How sunny is it in Roswell in September?
There are normally 9 hours of bright sunshine each day in Roswell in September - that's 71% of daylight hours.
Does it rain in Roswell in September?
There are usually 7 days with some rain in Roswell in September and the average monthly rainfall is 46mm.
Roswell September sunrise & sunset times
Browse the sunrise and sunset times for Roswell in September 2025. Select a month to view Roswell sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Monday, 1st September 2025 | 05:33 | 18:23 |
Monday, 15th September 2025 | 05:42 | 18:04 |
Tuesday, 30th September 2025 | 05:52 | 17:43 |
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