Spring, United States — Weather in September 2026

Climate Overview

Spring, United States in September has hot conditions, with highs reaching 31.2°C (88°F) and afternoons the warmest part of the day. Rain falls on about 11 days this month.

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

Daily highs in September gradually drop from around 32°C (90°F) at the start to 30°C (86°F) by month's end.

September sees fairly even rainfall, totalling about 118 mm across the month.

The warmest days tend to fall around the 1th, averaging 32.2°C (90°F).

Compared to August, this month is about 2°C cooler with 5 fewer rainy days. Temperatures begin dropping heading into October.

Monthly September Averages

Temperature

31°C / 23°C

Feels Like

35°C / 26°C

Rain

11 days · 119 mm

Sunshine

9.8h / day

Humidity

76% — Muggy

Wind

13 km/h

Wind Direction

ESE (106°)

Gusts

29 km/h

Daylight

12.3 h

Cloud Cover

49%

Clear Sky Days

6.6

UV Index

7.2 — Very High

Dew Point

22°C — Muggy

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 07:08

Daylight 12.4h

Sunset 19:29

Compare Months

Month	Temp	Feels Like	Rain	Sun	Humidity	UV	Status	Details
January	17°C / 8°C	15°C / 5°C	10days (114 mm) Wet	6.7h Fair	73% Muggy	3.6 Moderate	Good	View Details
February	20°C / 10°C	19°C / 8°C	10days (77 mm) Wet	6.5h Fair	77% Humid	4.6 Moderate	Good	View Details
March best	23°C / 14°C	23°C / 13°C	11days (89 mm) Wet	8.1h Good	75% Muggy	6.2 High	Excellent	View Details
April best	26°C / 17°C	27°C / 16°C	12days (116 mm) Wet	9.1h Good	75% Muggy	7.5 Very High	Excellent	View Details
May	29°C / 21°C	32°C / 23°C	15days (179 mm) Wet	10.3h Excellent	79% Humid	7.9 Very High	Fair	View Details
June	32°C / 24°C	37°C / 28°C	14days (126 mm) Wet	11.5h Excellent	78% Humid	8.3 Very High	Poor	View Details
July	33°C / 25°C	39°C / 30°C	13days (120 mm) Wet	11.4h Excellent	77% Humid	7.9 Very High	Poor	View Details
August	34°C / 25°C	39°C / 30°C	16days (141 mm) Wet	10.9h Excellent	76% Humid	8 Very High	Poor	View Details
September	31°C / 23°C	35°C / 26°C	11days (119 mm) Wet	9.8h Good	76% Humid	7.2 Very High	Fair	View Details
October best	28°C / 18°C	29°C / 19°C	8days (78 mm) Wet	9h Good	71% Muggy	5.8 High	Excellent	View Details
November best	22°C / 13°C	22°C / 12°C	10days (90 mm) Wet	7.6h Good	75% Muggy	4.5 Moderate	Excellent	View Details
December	19°C / 11°C	18°C / 9°C	9days (104 mm) Wet	6.6h Fair	76% Humid	3.6 Moderate	Good	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.

A waterproof jacket or compact umbrella is recommended for occasional showers.

Packing List

UmbrellaWaterproof jacketBreathable clothingSunscreen (SPF 30+)Sun hatSunglassesComfortable walking shoes

Frequently Asked Questions

Expand all

Is September a good time to visit Spring?

September is typically fair for visiting Spring, with average highs of 31°C (88°F) and around 11 rainy days. Spring, United States in September has hot conditions, with highs reaching 31.2°C (88°F) and afternoons the warmest part

Does it rain a lot in Spring in September?

Spring typically sees around 11 rainy days in September with 119 mm (4.7 in) of total rainfall. Pack a waterproof jacket.

Does it get cold at night in Spring in September?

Nights stay pleasantly warm in Spring during September, around 23°C (73°F). Light evening wear is sufficient.

What should I pack for Spring in September?

With highs of 31°C (88°F) and lows of 23°C (73°F) in September, we recommend: Umbrella, Waterproof jacket, Breathable clothing, Sunscreen (SPF 30+), Sun hat. Comfortable walking shoes are essential.

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

September is not the most favourable month weather-wise in Spring. Consider visiting during months with milder temperatures or less rainfall for a better experience.

What is the UV index in Spring in September?

The average UV index in Spring during September is 7 (high). Wear sunscreen SPF 30+, a hat, and sunglasses. Limit direct sun exposure between 10 AM and 4 PM.

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

Spring gets approximately 12 hours of daylight per day in September, with around 10 hours of sunshine.

Does it snow in Spring in September?

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

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