Clovis, United States — Weather in September 2026

Climate Overview

Clovis, United States in September has hot conditions, with highs reaching 34.5°C (94°F) and afternoons the warmest part of the day. Rain is rare, falling on about 1 days this month. Temperatures drop noticeably between day and night.

This month falls at the beginning of Autumn. Temperatures are at their seasonal peak.

Daily highs in September gradually drop from around 38°C (100°F) at the start to 33°C (92°F) by month's end.

Rainfall is heaviest during the middle of the month, while the first third tends to be drier.

Expect around 11.9h of sunshine at the start of September, decreasing to 11.0h by the end.

The warmest days tend to fall around the 6th, averaging 38°C (100°F).

Compared to August, this month is about 4°C cooler with 1 more rainy days. Temperatures begin dropping heading into October.

Monthly September Averages

Temperature

35°C / 19°C

Feels Like

34°C / 18°C

Rain

1 days · 5 mm

Sunshine

11.5h / day

Humidity

38% — Comfortable

Wind

12 km/h

Wind Direction

NW (312°)

Gusts

29 km/h

Daylight

12.4 h

Cloud Cover

11%

Clear Sky Days

24.1

UV Index

8.8 — Very High

Dew Point

11°C — Comfortable

Moon Phase

Waxing Crescent · 11%

Climate Charts

Daily averages based on historical data (2016–2025)

Daily Temperature

HighLow

Daily Precipitation

Rainfall

Daily Sunshine

Sunshine

Daily Wind Speed

Wind Speed

Sun Position

Sunrise 06:42

Daylight 12.4h

Sunset 19:08

What to Expect

With midday temperatures reaching 35°C (94°F), schedule outdoor activities for early morning or late afternoon.

Rain is uncommon in this month, so most days stay dry from morning through evening.

Compare Months

2days (14 mm) Excellent

0days (2 mm) Excellent

0days (0 mm) Excellent

0days (2 mm) Excellent

1days (5 mm) Excellent

1days (14 mm) Excellent

Month	Temp	Feels Like	Rain	Sun	Humidity	UV	Status	Details
January	15°C / 5°C	14°C / 2°C	8days (96 mm) Wet	7.4h Good	77% Humid	3.8 Moderate	Fair	View Details
February	17°C / 5°C	16°C / 2°C	6days (73 mm) Good	8.9h Good	70% Muggy	5.5 High	Fair	View Details
March	19°C / 7°C	18°C / 5°C	10days (102 mm) Wet	9.8h Good	68% Muggy	7 High	Good	View Details
April	25°C / 10°C	24°C / 8°C	4days (31 mm) Good	11.5h Excellent	57% Moderate	9.5 Very High	Excellent	View Details
May best	30°C / 14°C	29°C / 13°C	2days (14 mm) Excellent	12.8h Excellent	43% Moderate	11 Very High	Excellent	View Details
June	36°C / 19°C	35°C / 18°C	0days (2 mm) Excellent	13.5h Excellent	33% Comfortable	11.9 Very High	Good	View Details
July	39°C / 23°C	39°C / 22°C	0days (0 mm) Excellent	13.4h Excellent	29% Comfortable	11.9 Very High	Fair	View Details
August	38°C / 22°C	38°C / 22°C	0days (2 mm) Excellent	12.4h Excellent	32% Comfortable	10.8 Very High	Fair	View Details
September best	35°C / 19°C	34°C / 18°C	1days (5 mm) Excellent	11.5h Excellent	38% Comfortable	8.8 Very High	Excellent	View Details
October best	28°C / 13°C	26°C / 11°C	1days (14 mm) Excellent	10.1h Excellent	45% Moderate	6.7 High	Excellent	View Details
November	20°C / 8°C	18°C / 6°C	4days (46 mm) Good	8.5h Good	61% Muggy	4.6 Moderate	Good	View Details
December	15°C / 5°C	14°C / 3°C	7days (76 mm) Good	7.4h Good	75% Muggy	3.4 Moderate	Fair	View Details

What to Wear

Light, breathable fabrics like cotton and linen are essential. Opt for loose-fitting clothing in light colors to stay cool.

Temperatures drop significantly at night, so pack layers you can add or remove throughout the day.

Packing List

Breathable clothingSunscreen (SPF 30+)Sun hatSunglassesSandals

Frequently Asked Questions

Expand all

Is September a good time to visit Clovis?

September is typically excellent for visiting Clovis, with average highs of 35°C (94°F) and around 1 rainy days. Clovis, United States in September has hot conditions, with highs reaching 34.5°C (94°F) and afternoons the warmest part

Does it rain a lot in Clovis in September?

Clovis typically sees around 1 rainy days in September with 5 mm (0.2 in) of total rainfall. An umbrella should suffice.

Does it get cold at night in Clovis in September?

Nights stay pleasantly warm in Clovis during September, around 19°C (66°F). Light evening wear is sufficient.

What should I pack for Clovis in September?

With highs of 35°C (94°F) and lows of 19°C (66°F) in September, we recommend: Breathable clothing, Sunscreen (SPF 30+), Sun hat, Sunglasses, Sandals. Comfortable walking shoes are essential.

Is September among the best months weather-wise in Clovis?

Yes, September offers some of the best weather conditions in Clovis with comfortable temperatures and lower chances of rain.

What is the UV index in Clovis in September?

The average UV index in Clovis during September is 9 (very high). Strong sun protection is essential — SPF 50+, protective clothing, and avoid prolonged outdoor exposure during peak hours.

How many hours of daylight are there in Clovis in September?

Clovis gets approximately 12 hours of daylight per day in September, with around 12 hours of sunshine.

Does it snow in Clovis in September?

Snow is uncommon in Clovis during September based on 10-year climate averages.

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